CN210451278U - Thin-wall part rotary body inner wall microtexture radial vibration auxiliary electrolytic machining device - Google Patents
Thin-wall part rotary body inner wall microtexture radial vibration auxiliary electrolytic machining device Download PDFInfo
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- CN210451278U CN210451278U CN201920846577.2U CN201920846577U CN210451278U CN 210451278 U CN210451278 U CN 210451278U CN 201920846577 U CN201920846577 U CN 201920846577U CN 210451278 U CN210451278 U CN 210451278U
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Abstract
The radial vibration auxiliary electrolytic machining device for the microtexture of the inner wall of the thin-wall part revolving body comprises a tool cathode and a workpiece clamping and rotating device, wherein the tool cathode consists of three parts in total, and the first part is a stainless steel sheet with a columnar electrode; the second part is cylindrical piezoelectric ceramics; the third part is a stainless steel bar, and one end of the stainless steel bar is provided with cylindrical piezoelectric ceramics; the stainless steel metal sheet is connected with the stainless steel bar by a screw and is combined with the stainless steel bar to form a bar-shaped tool cathode; the workpiece clamping and rotating device comprises a rotary table and a workpiece clamping unit, and the workpiece clamping unit is uniformly arranged on the rotary table along the circumferential direction. The utility model provides high solid of revolution inner wall microtexture processing's locality, stability, precision and efficiency.
Description
Technical Field
The utility model belongs to the electrochemical machining field is assisted to low-voltage, the radial ultrasonic energy field of high electrolyte velocity of flow efflux, especially relates to a thin wall spare solid of revolution inner wall microtexture radial vibration assists electrochemical machining device.
Background
The microstructure is widely applied to the fields of aviation, aerospace, automobiles, electronics, molds, chemical fibers and the like to improve the performance of products. The method for processing the micro texture on the surface mainly comprises the steps of machining, photoetching technology, electric spark processing technology, laser processing technology and electrolytic processing. The machining efficiency and the photoetching technology are low, the working procedure is long, and the requirement on conditions is high; the electric spark machining technology (EDM) has high difficulty, harsh conditions and high cost; the laser processing technology belongs to non-contact processing, and has high processing speed and high efficiency; the ultrasonic-assisted electrolytic machining removes materials in the form of ions under the assistance of an ultrasonic energy field, can achieve high machining efficiency, and theoretically has high machining precision. The electrochemical machining can process a microstructure based on a simple-shaped microelectrode, and the processed workpiece has good surface properties and exerts unique advantages in the micromachining, especially in the microstructure processing of the inner wall of the revolving body. However, in the processing of the microtexture of the inner wall of the thin-wall rotator, the problems of difficult discharge of processed products, low processing performance and the like exist, so a reasonable and efficient processing mode needs to be found.
Disclosure of Invention
In order to overcome the defect that the processing product that the processing mode of the little texture of current thin wall solid of revolution inner wall exists discharges difficulty, the processability is low, the utility model provides an electrolysis processingequipment is assisted in little texture radial vibration of wall spare solid of revolution inner wall has improved the locality, stability, precision and the efficiency of the little texture processing of solid of revolution inner wall.
The utility model provides a technical scheme that its technical problem adopted is:
the radial vibration auxiliary electrolytic machining device for the microtexture of the inner wall of the thin-wall part revolving body comprises a tool cathode and a workpiece clamping and rotating device, wherein the tool cathode consists of three parts in total, and the first part is a stainless steel sheet with a columnar electrode; the second part is cylindrical piezoelectric ceramics; the third part is a stainless steel bar, and one end of the stainless steel bar is provided with cylindrical piezoelectric ceramics; the stainless steel metal sheet is connected with the stainless steel bar by a screw and is combined with the stainless steel bar to form a bar-shaped tool cathode; the workpiece clamping and rotating device comprises a rotary table and a workpiece clamping unit, and the workpiece clamping unit is uniformly arranged on the rotary table along the circumferential direction.
Further, the cylindrical piezoelectric ceramics and the stainless steel sheet metal are respectively connected with two ends of the ultrasonic current generator.
And furthermore, T-shaped grooves are uniformly distributed on the rotary table along the circumferential direction and used for installing the workpiece clamping unit.
Furthermore, work piece centre gripping unit includes briquetting, hexagon head bolt, hexagon head nut and gasket, the briquetting has the through-hole to be located the top in the T-slot of revolving stage, the briquetting width is greater than the width in T-slot, hexagon head bolt is gone into the bolt head card earlier the T-slot of revolving stage is interior, the through-hole of briquetting with hexagon head bolt cooperation, hexagon head nut with the gasket again with hexagon head bolt cooperation realizes compressing tightly of work piece.
Preferably, the height of the pressing block is smaller than the height of the workpiece.
The number of the T-shaped grooves on the rotary table and the number of the workpiece clamping units are 3.
The beneficial effects of the utility model are that:
1. the tool cathode can be combined with an ultrasonic energy field on the basis of realizing group structure processing, and is simple in structure, short in preparation period and strong in pertinence.
2. The rotary table of the clamping tool can be effectively matched with the cathode of the tool, and the device has a simple structure and is convenient to disassemble.
3. The device can realize the rotary motion and the circular motion of the tool cathode and the rotary motion of a workpiece, can effectively improve the processing efficiency of the microtexture on the inner wall of the cylinder, and the tool cathode which rotates continuously can not only carry away electrolyte, but also reduce stray corrosion and improve the processing precision.
Drawings
FIG. 1 is a schematic structural diagram of a thin-wall part rotator inner wall microtexture radial vibration auxiliary electrochemical machining device.
Fig. 2 is a schematic view of the processing of the apparatus.
Fig. 3 is a schematic view of the structure of the tool cathode.
Fig. 4 is a diagram of the tool cathode motion trajectory.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1-4, the radial vibration auxiliary electrochemical machining device for the inner wall microtextured of the thin-wall part revolving body comprises a tool cathode and a workpiece clamping and rotating device, wherein the tool cathode 10 is composed of three parts in total, and the first part is a stainless steel sheet 13 with a columnar electrode; the second part is a cylindrical piezoelectric ceramic 12; the third part is stainless steel bar 14, the one end of stainless steel bar 14 sets up cylindric piezoceramics 12, cylindric piezoceramics 12 and stainless steel sheetmetal 13 respectively with ultrasonic current generator's both ends are connected. Stainless steel metal sheets are connected by screws and joined together with stainless steel rods to form a rod-shaped tool cathode.
The workpiece clamping and rotating device comprises a rotary table 1 and a workpiece 7 clamping unit, wherein T-shaped grooves 2 are uniformly distributed on the rotary table along the circumferential direction and used for mounting the workpiece clamping unit;
the work piece centre gripping unit includes briquetting 6, hexagon head bolt 3, hexagon head nut 4 and gasket 5, the briquetting has the through-hole to be located the top of the T-slot 2 of revolving stage, the width slightly is greater than the width of T-slot 2, will the hexagon head bolt head 3 card is gone into in the T-slot 2 of revolving stage, the through-hole of briquetting 6 with the cooperation of hexagon head bolt 3, hexagon head nut 4 with gasket 5 again with the cooperation of hexagon head bolt 3 realizes compressing tightly of work piece 7.
Further, the height of the pressing block is slightly smaller than the height of the workpiece.
Furthermore, the number of the clamping units for the T-shaped grooves 2 and the workpieces 7 on the rotary table is 3; of course, other numbers are possible.
In this embodiment, the tool cathode is fixed by a three-jaw chuck of the machine tool, and the workpiece 7 is centered, positioned and fixed by three press blocks.
The radial vibration auxiliary electrochemical machining device for the microtexture on the inner wall of the thin-wall part revolving body is arranged on an XY axis of a machine tool through a connecting nut, and performs feed motion along with the XY axis of the machine tool, so that a machining gap between a tool cathode and a workpiece is adjusted, and a motion track 15 of the tool cathode is preset, thereby machining the microtexture on the inner wall of the thin-wall part revolving body.
The thin-wall part revolving body inner wall microtexture radial vibration auxiliary electrolytic machining method of the embodiment comprises the following steps: the cathode of the tool is connected with the cathode of the power supply, the workpiece is connected with the anode of the power supply, and the electrolyte enters between the tool electrode and the workpiece through the liquid supply pipe 8 to participate in electrochemical reaction. The rotary motion of the tool cathode takes away a part of electrolyte to realize drainage; the redundant electrolyte flows out of the reaction area from the rotary table under the action of gravity and enters the electrolyte tank 11, the tool cathode is driven by the machine tool spindle to perform circular motion according to a preset track 15, a certain machining gap between the workpiece and the columnar electrode on the tool cathode is kept, the inner wall microtexture is machined, and the required machining appearance is obtained.
The utility model adopts the radial vibration auxiliary electrochemical machining device for the microtexture of the inner wall of the thin-wall part revolving body to carry out jet electrochemical machining, and the combination of the rotation of the cathode of the tool and the motions such as circular motion, workpiece rotation and the like can realize the high-efficiency, high-stability and high-precision machining of the microtexture of the inner wall of the thin-wall part revolving body; thereby the fine processing is more convenient and more efficient.
Claims (6)
1. The thin-wall part revolving body inner wall microtexture radial vibration auxiliary electrolytic machining device is characterized by comprising a tool cathode and a workpiece clamping and rotating device, wherein the tool cathode is composed of three parts in total, and the first part is a stainless steel sheet with a columnar electrode; the second part is cylindrical piezoelectric ceramics; the third part is a stainless steel bar, and one end of the stainless steel bar is provided with cylindrical piezoelectric ceramics; the stainless steel metal sheet is connected with the stainless steel bar by a screw and is combined with the stainless steel bar to form a bar-shaped tool cathode; the workpiece clamping and rotating device comprises a rotary table and a workpiece clamping unit, and the workpiece clamping unit is uniformly arranged on the rotary table along the circumferential direction.
2. The apparatus of claim 1, wherein the cylindrical piezoelectric ceramic and the stainless steel metal plate are connected to both ends of the ultrasonic current generator, respectively.
3. The apparatus according to claim 1 or 2, wherein the turntable is provided with T-shaped grooves uniformly distributed along the circumferential direction for mounting the workpiece clamping unit.
4. The device of claim 3, wherein the workpiece clamping unit comprises a pressing block, a hexagon head bolt, a hexagon head nut and a gasket, the pressing block is provided with a through hole and is located above the T-shaped groove of the rotary table, the width of the pressing block is larger than that of the T-shaped groove, the hexagon head bolt firstly clamps the bolt head into the T-shaped groove of the rotary table, the through hole of the pressing block is matched with the hexagon head bolt, and the hexagon head nut and the gasket are matched with the hexagon head bolt to realize the compression of the workpiece.
5. The apparatus of claim 4, wherein the compact height is less than the workpiece height.
6. The apparatus of claim 4, wherein the number of the T-shaped slots on the turntable and the workpiece clamping units is 3.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920846577.2U CN210451278U (en) | 2019-06-06 | 2019-06-06 | Thin-wall part rotary body inner wall microtexture radial vibration auxiliary electrolytic machining device |
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| CN201920846577.2U CN210451278U (en) | 2019-06-06 | 2019-06-06 | Thin-wall part rotary body inner wall microtexture radial vibration auxiliary electrolytic machining device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102846A (en) * | 2019-06-06 | 2019-08-09 | 浙江工业大学 | The micro- texture radial vibration assisted electrolysis processing method of thin-wall part revolving body inner wall and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102846A (en) * | 2019-06-06 | 2019-08-09 | 浙江工业大学 | The micro- texture radial vibration assisted electrolysis processing method of thin-wall part revolving body inner wall and device |
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