CN105618875A - Device for performing pulse electrochemical precise broaching on long and thin inner hole - Google Patents
Device for performing pulse electrochemical precise broaching on long and thin inner hole Download PDFInfo
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- CN105618875A CN105618875A CN201410582539.2A CN201410582539A CN105618875A CN 105618875 A CN105618875 A CN 105618875A CN 201410582539 A CN201410582539 A CN 201410582539A CN 105618875 A CN105618875 A CN 105618875A
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Abstract
The invention belongs to the field of non-traditional machining and relates to a device for performing pulse electrochemical precise broaching on a long and thin inner hole. According to the structure of the device, electrode bearing frames are symmetrically fixed to the two ends of a fixed workbench; linear guide rails are symmetrically installed on the fixed workbench and located between the two electrode bearing frames; a movable workbench is installed on the linear guide rails; a linear motor is installed between the fixed workbench and the movable workbench and located between the two linear guide rails; bearing plates are evenly distributed on and fixed to the movable workbench side by side; two bearing wheels are horizontally installed on the side face of each bearing plate; pressing plates are installed on the bearing plates; a rubber wheel is installed on the side face of one pressing plate; bearing wheels are installed on the side faces of the rest of the pressing plates; the rubber wheel is connected with a stepping motor; and two dynamic sealing devices are installed on vertical plates of the electrode bearing frames in a right opposite manner. An electrode penetrates the inner hole of a workpiece, strides over the two electrode bearing frames and is tensioned through threads. The device for performing pulse electrochemical precise broaching on the long and thin inner hole is simple and compact in structure, and the requirement for economically, stably and precisely machining a long and thin shaft part can be met.
Description
Technical field
The invention belongs to special process field, relate to a kind of device that elongated bore is carried out pulse electrochemical precision reaming.
Background technology
Elongated hole is widely used in fields such as Aero-Space. At present the processing of elongated hole mainly being adopted the machining process such as depth drill, but the elongated hole of the difficult-to-machine material such as rustless steel, titanium alloy is difficult to be machined into realizing, particularly shoulder hole is difficult to especially. It is easily crooked to there is processing axis in processing elongated hole in conventional machining method, knife bar poor rigidity, cutter weak heat-dissipating, it is easy to abrasion, the problems such as chip removal is difficult. Method for electrochemical machining does not produce mechanical force, and process tool is unlikely to deform and weares and teares, it is possible to processing hard brittle material, machining accuracy is high, and surface quality is good. If being therefore widely used in Small and Deep Hole Machining by electrochemical process, it is expected to solve the relevant issues of elongated hole machining.
In engineer applied, a lot of axial workpieces need shoulder hole and reducing hole. Especially, for elongated hole structure, owing to its processing accessibility and rigidity are poor, general machining process has been difficult to processing request. Therefore for shoulder hole, reducing hole, the structure such as irregular endoporus can be realized by method for electrochemical machining. But lack a kind of simple, economic, accurate method for electrochemical machining at present to realize the processing in the specific position hole such as reaming in the middle part of elongated hole.
Summary of the invention
It is an object of the invention to make up the deficiency of the processing in the specific position hole such as reaming in the middle part of elongated hole, invent a kind of device that elongated bore is carried out pulse electrochemical precision reaming, the axial workpiece needing processing is fixed on electrode support frame by dynamic sealing device, motor drives shaft piece rotating, electrode is through workpiece and strains, and adds man-hour, and electrode is motionless, workpiece rotates and moves horizontally under the driving of mobile platform, it is achieved the processing request of thin and long shafts part reaming.
The present invention adopts the technical scheme that a kind of device that elongated bore carries out pulse electrochemical precision reaming, and this device mainly includes dynamic sealing device 1, pressing plate 2, motor 4, rubber tire 5, electrode support frame 6, stationary work-table 7, line slideway 8, mobile working platform 9, linear electric motors 10, support plate 11, bearing wheel 12 and electrode 13, stationary work-table 7 is installed on table top, electrode support frame 6 structure triangular in shape, is made up of triangle riser and base plate, has reinforcement between triangle riser and base plate, two electrode support framves 6 are symmetrically fixed on the two ends of stationary work-table 7, and two line slideways 8 are symmetrically arranged on stationary work-table 7, are between two electrode support framves 6, mobile working platform 9 is installed on two line slideways 8, and linear electric motors 10 are installed between stationary work-table 7 and mobile working platform 9, and is between two line slideways 8, uniform side by side no less than 3 support plates 11 being fixed on mobile working platform 9, the quantity of support plate 11 is determined according to length and the rigidity of machined axial workpiece, and each support plate 11 side horizontal installs two bearing wheels 12, horizontal support workpiece, support plate 11 is provided with pressing plate 2, the side of one of them pressing plate 2 is installed rubber tire 5, bearing wheel 12 is installed in the side of all the other pressing plates 2, bearing wheel 12 on support plate 11 and the triangle structure of bearing wheel 12 on pressing plate 2, and the bearing wheel 12 on support plate 11 and the triangle structure of rubber tire 5 on pressing plate 2, this triangular structure is used for clamping workpiece 3, rubber tire 5 couples with motor 4, motor 4 drives rubber tire 5, rubber tire 5 drives workpiece 3 to rotate in a circumferential direction, under the driving of mobile working platform 9, workpiece 3 can realize moving horizontally, two dynamic sealing devices 1 are just to being installed on electrode support frame 6 riser, seal while workpiece moves. electrode 13, through inner hole of workpiece, is striden across two electrode support framves 6, and is strained by screw thread. adding man-hour, electrode 13 is motionless, and workpiece 3 rotates and moves horizontally the reaming processing realizing elongated hole, adds and adopts high frequency pulse power supply man-hour.
The invention has the beneficial effects as follows that workpiece passes through bearing wheel supporting clamping, thin and long shafts part can be realized rotate smoothly, add man-hour electrode and be tightened up fixing, workpiece can realize rotating and moving horizontally under the effect of guide wheel and mobile working platform simultaneously, workpiece two ends are sealed by movable sealing, it is ensured that workpiece ensures sealing while rotating and moving horizontally, and this form processing can realize thin and long shafts part economy, stable, accurate processing.
Accompanying drawing explanation
Fig. 1 is the integral installation figure of the present invention.
Fig. 2 is the sectional view of movable sealing part of the present invention.
Fig. 3 is the schematic diagram of bearing wheel triangular structure of the present invention.
Fig. 4 is the schematic diagram of bearing wheel of the present invention, rubber tire triangular structure.
In figure: 1 dynamic sealing device; 2 pressing plates; 3 workpiece; 4 motors; 5 rubber tires; 6 electrode support framves; 7 stationary work-tables; 8 line slideways; 9 mobile working platforms; 10 linear electric motors; 11 support plates; 12 bearing wheels; 13 electrodes.
Specific implementation method
Below in conjunction with accompanying drawing and most preferred embodiment, the present invention is described in further detail. It is fixing that the present embodiment is that electrode is tightened up, and thin and long shafts workpiece two ends are sealed by dynamic sealing device, and middle part is glue wheel-supported, and rotate and move horizontally, it is achieved reaming is processed.
As shown in figures 1-4, electrochemistry precision Counterboring apparatus includes dynamic sealing device 1, pressing plate 2, motor 4, rubber tire 5, electrode support frame 6, stationary work-table 7, line slideway 8, mobile working platform 9, linear electric motors 10, support plate 11, bearing wheel 12, electrode 13, stationary work-table 7 is installed on marble countertop, electrode support frame 6 is made up of a triangle riser and base plate, riser and base plate are by welding connection in 90 ��, and between be symmetrical arranged two reinforcements, electrode holder 6 passes through screw just on the table top being fixed on stationary work-table 7, line slideway 8 is symmetrically arranged on stationary work-table 7 table top, and symmetry is between two electrode holders 6, mobile working platform 9 is installed on two uniform line slideways of symmetry 8, linear electric motors 10 are installed between stationary work-table 7 and mobile working platform 9, and it is in the middle of two line slideways 8, three support plates 11 are fixed in side by side on mobile working platform 9 by screw is uniform, on each support plate 11 side, level installs two bearing wheels 12, play supporting and the effect of guiding workpiece 3 rotation, three pressing plates 2 coordinate installation with three support plates 11 respectively, two pressing plates 2 are respectively mounted a bearing wheel 12, intermediate press plate 2 is installed a rubber tire 5, bearing wheel 12 on support plate 11 and the bearing wheel 12 on pressing plate 2 and the bearing wheel 12 on support plate 11 and the triangle structure of rubber tire 5 on pressing plate 2 clamp workpiece 3, rubber tire 5 couples with a motor 4, motor 4 drives rubber tire 5, rubber tire 5 drives workpiece 3 to rotate in a circumferential direction, under the driving of mobile working platform 9, workpiece 3 can realize moving horizontally, two dynamic sealing devices 1 are just to being installed on electrode support frame 6 riser, move at workpiece and seal simultaneously. electrode 13, through inner hole of workpiece, is striden across two electrode support framves 6, and is strained by screw thread. adding man-hour, electrode 13 is motionless, and workpiece 3 rotates and moves horizontally the reaming processing realizing elongated hole, adds and adopts high frequency pulse power supply man-hour.
During clamping, workpiece 3 is fixedly installed between two electrode support framves 6 by dynamic sealing device 1, two bearing wheels 12 on support plate 11 support workpiece 3, pressing plate 2 is installed on support plate 11 by screw, bearing wheel 12 on two pressing plates 2 pushes down workpiece 3, three triangle structures of bearing wheel 12 on support plate 11 and pressing plate 2 clamp workpiece 3, thin and long shafts part is made to ensure steadily in the course of processing, as shown in Figure 3, the pressing plate 2 in centre position is installed a rubber tire 5, rubber tire 5 couples a motor 4, under the driving of motor 4, rubber tire 5 rotates and drives workpiece 3 to rotate in a circumferential direction, as shown in Figure 4, under the driving of mobile working platform 9, workpiece 3 can realize moving horizontally simultaneously, dynamic sealing device 1 can ensure that workpiece 3 is in the sealing rotated and move horizontally in process, electrolyte is not allowed to overflow, electrode 13 is fixed on two electrode support framves 6 through workpiece 3 endoporus being tightened up.
Adding man-hour, electrode 13 is motionless, and workpiece 3 rotates and moves horizontally the reaming processing realizing thin and long shafts part, adds and adopts high frequency pulse power supply man-hour, it is ensured that the precision of electro-chemical machining. Before production and processing, according to Theoretical Calculation and engineer testing, it is determined that workpiece rotates, moves horizontally and the optimum combination of machined parameters.
A kind of device that elongated bore is carried out pulse electrochemical precision reaming of the present invention, simple in construction is compact. Add man-hour, workpiece is by a series of bearing wheels and glue wheel-supported clamping, thin and long shafts part can be realized and rotate smoothly movement, add man-hour electrode and be tightened up fixing, it is ensured that the form accuracy of electrode, workpiece can realize rotating and moving horizontally under the effect of bearing wheel, rubber tire and mobile working platform simultaneously, workpiece two ends are sealed by dynamic sealing device, it is ensured that the workpiece sealing when rotating and moving horizontally, and this form processing can realize thin and long shafts part economy, stable, accurate processing.
Claims (1)
1. the device that elongated bore is carried out pulse electrochemical precision reaming, it is characterized in that, this device mainly includes dynamic sealing device, pressing plate, motor, rubber tire, electrode support frame, stationary work-table, line slideway, mobile working platform, linear electric motors, support plate, bearing wheel and electrode, stationary work-table is installed on table top, electrode support frame structure triangular in shape, is made up of triangle riser and base plate, has reinforcement between triangle riser and base plate, two electrode support framves are symmetrically fixed on the two ends of stationary work-table, and two line slideways are symmetrically arranged on stationary work-table, are between two electrode support framves, mobile working platform is installed on two line slideways, and linear electric motors are installed between stationary work-table and mobile working platform, and is between two line slideways, uniform side by side no less than 3 support plates being fixed on mobile working platform, the quantity of support plate is determined according to length and the rigidity of machined axial workpiece, and each support plate side horizontal installs two bearing wheels, horizontal support workpiece, support plate is provided with pressing plate, the side of one of them pressing plate is installed rubber tire, bearing wheel is installed in the side of all the other pressing plates, bearing wheel on support plate and the triangle structure of the bearing wheel on pressing plate, and the bearing wheel on support plate and the triangle structure of the rubber tire on pressing plate, this triangular structure is used for clamping workpiece, rubber tire couples with motor, step motor drive rubber tire, rubber tire drives workpiece to rotate in a circumferential direction, under the driving of mobile working platform, workpiece realizes moving horizontally, two dynamic sealing devices are just to being installed on electrode support erection plate, seal while workpiece moves, electrode, through inner hole of workpiece, is striden across two electrode support framves, and is strained by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410582539.2A CN105618875B (en) | 2014-10-27 | 2014-10-27 | A kind of device that the accurate reaming of pulse electrochemical is carried out to elongated bore |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410582539.2A CN105618875B (en) | 2014-10-27 | 2014-10-27 | A kind of device that the accurate reaming of pulse electrochemical is carried out to elongated bore |
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| Publication Number | Publication Date |
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| CN105618875A true CN105618875A (en) | 2016-06-01 |
| CN105618875B CN105618875B (en) | 2017-08-01 |
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| CN201410582539.2A Active CN105618875B (en) | 2014-10-27 | 2014-10-27 | A kind of device that the accurate reaming of pulse electrochemical is carried out to elongated bore |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108326383A (en) * | 2018-01-31 | 2018-07-27 | 西安工业大学 | Small-bore deep and long hole electrolytic machining device |
| CN108890056A (en) * | 2018-06-21 | 2018-11-27 | 西安理工大学 | Hard brittle material deep hole drilling apparatus and method based on pulse feature spark discharge |
| CN109070253A (en) * | 2015-10-23 | 2018-12-21 | 康明斯公司 | For generating the discharge-treating method of variable injecting hole geometry |
| CN113305380A (en) * | 2021-05-26 | 2021-08-27 | 中国航空制造技术研究院 | Horizontal electrolytic machining device for ultra-long deep hole |
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| US5281788A (en) * | 1991-12-17 | 1994-01-25 | Sodick Co., Ltd. | Electroerosion boring apparatus |
| CN2161403Y (en) * | 1993-05-14 | 1994-04-13 | 杨明春 | Electrolytic machining deep hole driller with drill rod |
| CN202137479U (en) * | 2011-06-03 | 2012-02-08 | 马小林 | Mobile type electric spark discharge machine |
| CN202780138U (en) * | 2012-09-06 | 2013-03-13 | 胡鹏 | Quick aligning device for installing electrodes on spark machine |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5225646A (en) * | 1991-09-24 | 1993-07-06 | Chiang Chin Fong | Insulating device for an electric discharge machine |
| US5281788A (en) * | 1991-12-17 | 1994-01-25 | Sodick Co., Ltd. | Electroerosion boring apparatus |
| CN2161403Y (en) * | 1993-05-14 | 1994-04-13 | 杨明春 | Electrolytic machining deep hole driller with drill rod |
| CN202137479U (en) * | 2011-06-03 | 2012-02-08 | 马小林 | Mobile type electric spark discharge machine |
| CN202780138U (en) * | 2012-09-06 | 2013-03-13 | 胡鹏 | Quick aligning device for installing electrodes on spark machine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109070253A (en) * | 2015-10-23 | 2018-12-21 | 康明斯公司 | For generating the discharge-treating method of variable injecting hole geometry |
| US11602798B2 (en) | 2015-10-23 | 2023-03-14 | Cummins Inc. | Electrical discharge machining method for generating variable spray-hole geometry |
| CN108326383A (en) * | 2018-01-31 | 2018-07-27 | 西安工业大学 | Small-bore deep and long hole electrolytic machining device |
| CN108890056A (en) * | 2018-06-21 | 2018-11-27 | 西安理工大学 | Hard brittle material deep hole drilling apparatus and method based on pulse feature spark discharge |
| CN113305380A (en) * | 2021-05-26 | 2021-08-27 | 中国航空制造技术研究院 | Horizontal electrolytic machining device for ultra-long deep hole |
| CN113305380B (en) * | 2021-05-26 | 2022-03-04 | 中国航空制造技术研究院 | Horizontal electrolytic machining device for ultra-long deep hole |
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