CN204413769U - A kind of three-D ultrasonic vibration ELID internal grinding experimental provision - Google Patents
A kind of three-D ultrasonic vibration ELID internal grinding experimental provision Download PDFInfo
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- CN204413769U CN204413769U CN201520011326.4U CN201520011326U CN204413769U CN 204413769 U CN204413769 U CN 204413769U CN 201520011326 U CN201520011326 U CN 201520011326U CN 204413769 U CN204413769 U CN 204413769U
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Abstract
A kind of three-D ultrasonic vibration ELID internal grinding experimental provision, comprise frame (8), frame (8) is provided with workbench (9), workbench (9) is provided with three-D ultrasonic vibration cutter system and ELID restoring on line assembling system (10), is provided with machine-tool spindle system directly over three-D ultrasonic vibration cutter system.The utility model is by the ELID restoring on line device on the left of platen and the three-D ultrasonic vibration cutter system below main shaft, thus while realizing three-D ultrasonic vibration grinding, emery wheel ELID restoring on line can be carried out according to demand, form a kind of efficient mirror surface machining of Alternative compound, solve the difficult processing characteristics of hard brittle material, advance its application in the high-tech sector such as national defence, Aero-Space.
Description
Technical field
The utility model belongs to hard brittle material precision and ultra-precision machining technical field, particularly relates to a kind of three-D ultrasonic vibration ELID internal grinding experimental provision.
Background technology
The features such as the hard brittle material such as engineering ceramics, optical glass has high rigidity, high strength, high fragility, wear-resistant, corrosion-resistant, chemical stability is good, are widely used in the fields such as optical instrument, semiconductor, automobile, Aero-Space, machinery.But up to the present, the processing of hard brittle material remains a difficult problem.Because hard brittle material feature the most outstanding is exactly that fragility is high, fracture toughness is low, and elastic limit and intensity are closely.Add man-hour, the load of bearing when material exceedes elastic limit, rupture failure will occur, and forms crackle and pit, have a strong impact on its surface quality and performance at machined surface.For the difficult processing characteristics of hard brittle material, the Combined Machining Technology researchs such as hard brittle material ultrasonic grinding technology, ELID grinding technique, magnetic polishing technology, elastic emission machining technology are arisen at the historic moment, and current technology maturity, efficiency are higher and apply and more be known as ELID grinding technique and ultrasonic grinding technology.The major advantage of ELID grinding technique to adopt thin, micro-abrasive particle to obtain the extremely low nanoprocessing surface of roughness; but the non-conducting oxides that the shortcoming of ELID grinding technique is emery wheel easily to be blocked, working (machining) efficiency is low, cost is higher and skive peels off easily abrades workpiece etc.; therefore how to reduce wheel topography, reduce the oxide-film that comes off to the damage of grinding skin, obtain the subject matter that the problems such as higher efficiency are this area researches always, also become the bottleneck that ELID grinding technique improves further.
The ultrasonic grinding technology of rising in recent years, it can reduce the grinding force in process, increases critical grinding depth, thus enhances productivity, and is a kind of rising new method.As one dimension axial ultrasonic vibration grinding can realize significantly improving of machined surface quality; One dimension radial ultrasonic assistant grinding can realize increasing substantially of material removing rate, but can cause the slight increase of the increase of abrasion of grinding wheel and surface roughness.On this basis, in order to give full play to the advantage of ultrasonic vibration grinding, scholars successively proposes dissimilar two dimensional ultrasonic vibration grinding technique.Although but two dimensional ultrasonic vibration grinding technique has superior comprehensive process performance, still there is certain technical barrier in it at present.Such as to there is when load, temperature machining condition etc. change vibration velocity unstable, and materials processing efficiency significantly improves and surface roughness does not have significant change, the phenomenons such as in process grinding speed is lower.
Utility model content
The utility model, in order to solve weak point of the prior art, provides that a kind of rotary ultrasonic grinding technology and ELID grinding technique compound, working (machining) efficiency are high, emery wheel not easily blocks and the three-D ultrasonic that can realize the mirror grinding of emery wheel restoring on line vibrates ELID internal grinding experimental provision.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of three-D ultrasonic vibration ELID internal grinding experimental provision, comprise frame 8, frame 8 is provided with workbench 9, workbench 9 is provided with three-D ultrasonic vibration cutter system and ELID restoring on line assembling system 10, is provided with machine-tool spindle system directly over three-D ultrasonic vibration cutter system.
Described three-D ultrasonic vibration cutter system comprises channel ultrasonic wave producer 7, circular clamp 12, X to ultrasonic vibration mechanism 5, Y-direction ultrasonic vibration mechanism 6 and Z-direction ultrasonic vibration mechanism 40, circular clamp 12, X are located on workbench 9 to ultrasonic vibration mechanism 5 and Y-direction ultrasonic vibration mechanism 6, Z-direction ultrasonic vibration mechanism 40 is located at below workbench 9, and circular clamp 12 top is used for the chuck 4 of clamping work pieces 3;
X comprises X from coaxial setting to ultrasonic vibration mechanism 5 is fixed to workbench 9 on by X to ultrasonic transformer retainer 16 to vibration ultrasonic transformer 15 to vibration ultrasonic transformer 15, X to single-excitation ultrasonic oval vibration energy converter 14 and X;
Y-direction ultrasonic vibration mechanism 6 comprises install bin 35 and adopts fastening bolt 32 to be located at the Y-direction ultrasonic transformer retainer 31 at install bin 35 top, Y-direction ultrasonic transformer retainer 31 is vertically provided with Y-direction vibration ultrasonic transformer 33, Y-direction vibration ultrasonic transformer 33 lower end is provided with the Y-direction single-excitation ultrasonic oval vibration energy converter 34 being positioned at install bin 35;
Z-direction ultrasonic vibration mechanism 40 comprises Z-direction single-excitation ultrasonic oval vibration energy converter 18 and the Z-direction vibration ultrasonic transformer 19 of coaxial setting, and Z-direction vibration ultrasonic transformer 19 is fixed on workbench 9 by Z-direction ultrasonic transformer retainer 17;
X is connected with circular clamp 12 respectively by studs 13 to vibration ultrasonic transformer 15, Y-direction vibration ultrasonic transformer 33 with the clutch end of Z-direction vibration ultrasonic transformer 19;
Channel ultrasonic wave producer 7 is connected to single-excitation ultrasonic oval vibration energy converter 14, Y-direction single-excitation ultrasonic oval vibration energy converter 34 and Z-direction single-excitation ultrasonic oval vibration energy converter 18 with X respectively by cable.
Described X is vertical curved complex vibration ultrasonic transformer 36 to any two in vibration ultrasonic transformer 15, Y-direction vibration ultrasonic transformer 33 and Z-direction vibration ultrasonic transformer 19, X is longitudinal ultrasonic vibration transducer 37 to any two in single-excitation ultrasonic oval vibration energy converter 14, Y-direction single-excitation ultrasonic oval vibration energy converter 34 and Z-direction single-excitation ultrasonic oval vibration energy converter 18, and each vertical curved complex vibration ultrasonic transformer 36 correspondence is connected with a longitudinal ultrasonic vibration transducer 37.
Machine-tool spindle system comprises vertically disposed machine tool chief axis 1 and is located at the emery wheel 2 of machine tool chief axis 1 lower end, and the center line of machine tool chief axis 1 overlaps with the center line of chuck 4.
Described ELID restoring on line assembling system comprises ELID power supply 11, magnetic suction disc 25, fixed muffle 27 and back shaft 28, magnetic suction disc 25 is adsorbed on workbench 9, fixed muffle 27 lower end is connected with magnetic suction disc 25 top, magnetic suction disc 25 sidepiece is provided with the handle 26 for mobile magnetic suction disc 25, back shaft 28 is plugged in fixed muffle 27 and is also connected by the radial pin 24 arranged, back shaft 28 is provided with cathode branch support 29 and anode fixed head 20, cathode branch support 29 is coordinated with back shaft 28 by screw thread, cathode branch support 29 end is provided with half copper ring electrode 23 by rubber separation sleeve 22, half copper ring electrode 23 is connected with the negative electrode of ELID power supply 11, anode fixed head 20 arranges female cleat insulator 30 by two and is fixed on back shaft 28, the end of anode fixed head 20 is provided with the anode carbon brush 21 be connected with the anode of ELID power supply 11, when carrying out emery wheel 2 restoring on line, anode carbon brush 21 crimps with the conductive pieces on machine tool chief axis 1, the axial line of half copper ring electrode 23 and the axis parallel of emery wheel 2.
Adopt technique scheme, channel ultrasonic wave producer simultaneously to X to single-excitation ultrasonic oval vibration energy converter, Y-direction single-excitation ultrasonic oval vibration energy converter and Z-direction single-excitation ultrasonic oval vibration energy converter send the same frequency ultrasonic excitation signal with certain phase difference.
X is connected with retainer at the Nodes of respective ultrasonic transformer to vibration ultrasonic transformer, Y-direction vibration ultrasonic transformer with Z-direction vibration ultrasonic transformer.
X sends radial direction, axis and tangential vibrations respectively to vibration ultrasonic transformer, Y-direction vibration ultrasonic transformer and Z-direction vibration ultrasonic transformer, impels workpiece to do three-D ultrasonic vibration.Three-D ultrasonic oscillation trajectory is space ellipse.
Machine tool chief axis lower end of the present utility model is connected with emery wheel, and drive that emery wheel does up and down, left and right feed motion and rotary motion.ELID restoring on line assembling system is located on the left of workbench, when emery wheel needs to carry out ELID restoring on line, by moving up and down handle, making ELID restoring on line assembling system move to machine tool chief axis place, carrying out the ELID restoring on line of emery wheel.Three-D ultrasonic vibration cutter system is established on the table, three-D ultrasonic vibration cutter system is connected with circular clamp by studs, the other end is fixedly connected with workbench with Y-direction ultrasonic transformer retainer to ultrasonic transformer retainer, Z-direction ultrasonic transformer retainer by X, to realize the three-D ultrasonic vibration grinding of workpiece.
When machine tool chief axis drives emery wheel to do internal grinding to workpiece, X to single-excitation ultrasonic oval vibration energy converter, Y-direction single-excitation ultrasonic oval vibration energy converter and Z-direction single-excitation ultrasonic oval vibration energy converter respectively with X to vibrating ultrasonic transformer, Y-direction vibrates ultrasonic transformer and Z-direction is vibrated the same frequency three of certain phase difference that has that channel ultrasonic wave producer transmits by ultrasonic transformer and encouraged ultrasonic signal to be converted to three respectively with frequent mechanical oscillation.Because X is distributed in the radial direction of emery wheel, axis and tangentially respectively to vibration ultrasonic transformer, Y-direction vibration ultrasonic transformer and Z-direction vibration ultrasonic transformer, when three with when mechanical oscillation is applied in circular clamp to vibration ultrasonic transformer, Y-direction vibration ultrasonic transformer and Z-direction vibration ultrasonic transformer by X frequently, circular clamp drives workpiece to do the mechanical oscillation of three different directions, is finally superposed to three-D ultrasonic vibration.Circular clamp is by gripper chuck clamping of workpieces.X can replace with a vertical curved complex vibration ultrasonic transformer to any two in vibration ultrasonic transformer, Y-direction vibration ultrasonic transformer and Z-direction vibration ultrasonic transformer.Vertical curved complex vibration ultrasonic transformer has skewed slot, and its end is provided with longitudinal ultrasonic vibration transducer, can form vertical curved complex vibration, thus realize two-dimensional ultrasound elliptical vibration under single excitation.Another one X produces extensional vibration to vibration ultrasonic transformer (Y-direction vibration ultrasonic transformer or Z-direction vibration ultrasonic transformer) under the same frequency ultrasonic excitation signal excitation of certain phase difference simultaneously.The final like this workpiece that impels does three-D ultrasonic vibration.
Be connected and fixed sleeve and back shaft with pin, operator regulates the height of back shaft by pin.Be provided with magnetic suction disc bottom fixed muffle 27, and be provided with handle, move up and down the relative movement that can realize magnetic suction disc and workbench with fixing by handle.Back shaft is provided with cathode branch support and anode fixed head.Back shaft is provided with external screw thread, cathode branch support is coordinated with back shaft by screw thread, cathode support frame end portion is provided with catholysis unit, and user regulates the height of half copper ring electrode and rubber separation sleeve by rotating cathode branch support, rubber separation sleeve can play insulating effect.Anode fixed head arranges female cleat insulator by two and is fixed on back shaft.Anode fixed head and two cleat insulators adopt plastic material to make, and can ensure the insulating properties of anode.One end of anode fixed head is provided with the anode carbon brush be connected with ELID power anode, when carrying out ELID emery wheel restoring on line, anode carbon brush can crimp with the conductive pieces on machine tool chief axis, ensure that emery wheel is with positive electricity, the axial line of half copper ring electrode and the axis parallel of emery wheel.
When carrying out the ELID restoring on line of emery wheel, ELID power anode is crimped with the conductive pieces on machine tool chief axis by anode carbon brush, ELID power cathode and half copper ring Electrode connection.When behind the gap that grinding fluid enters between half copper ring electrode and wheel face, under the effect of electric current, the metallic matrix of emery wheel by electrolysis as anode, makes the abrasive particle exposing surface in emery wheel, forms certain height of grain and chip space.Meanwhile, form one deck passivating film gradually at wheel face, stop the proceeding of electrolytic process, make emery wheel can not too fast loss.After the abrasive wear of wheel face, passivating film will be removed by workpiece material scraping, and electrolysis proceeds, and can repair further wheel face.
In sum, the utility model is by the ELID restoring on line assembling system on the left of platen and the three-D ultrasonic vibration cutter system below main shaft, thus while realizing three-D ultrasonic vibration grinding, emery wheel ELID restoring on line can be carried out according to demand, form a kind of efficient mirror surface machining of Alternative compound, solve the difficult processing characteristics of hard brittle material, advance its application in the high-tech sector such as national defence, Aero-Space.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the top view of three-D ultrasonic vibration cutter system;
Fig. 3 is the sectional view of Y-direction ultrasonic vibration mechanism;
Fig. 4 is the structural representation of ELID restoring on line assembling system.
Fig. 5 is the structural representation of vertical curved complex vibration ultrasonic transformer and longitudinal ultrasonic vibration transducer.
Detailed description of the invention
As Figure 1-Figure 5, a kind of three-D ultrasonic vibration ELID internal grinding experimental provision of the present utility model, comprise frame 8, frame 8 is provided with workbench 9, workbench 9 is provided with three-D ultrasonic vibration cutter system and ELID restoring on line assembling system 10, is provided with machine-tool spindle system directly over three-D ultrasonic vibration cutter system.
Three-D ultrasonic vibration cutter system comprises channel ultrasonic wave producer 7, circular clamp 12, X to ultrasonic vibration mechanism 5, Y-direction ultrasonic vibration mechanism 6 and Z-direction ultrasonic vibration mechanism 40, circular clamp 12, X are located on workbench 9 to ultrasonic vibration mechanism 5 and Y-direction ultrasonic vibration mechanism 6, Z-direction ultrasonic vibration mechanism 40 is located at below workbench 9, and circular clamp 12 top is used for the chuck 4 of clamping work pieces 3;
X comprises X from coaxial setting to ultrasonic vibration mechanism 5 is fixed to workbench 9 on by X to ultrasonic transformer retainer 16 to vibration ultrasonic transformer 15 to vibration ultrasonic transformer 15, X to single-excitation ultrasonic oval vibration energy converter 14 and X;
Y-direction ultrasonic vibration mechanism 6 comprises install bin 35 and adopts fastening bolt 32 to be located at the Y-direction ultrasonic transformer retainer 31 at install bin 35 top, Y-direction ultrasonic transformer retainer 31 is vertically provided with Y-direction vibration ultrasonic transformer 33, Y-direction vibration ultrasonic transformer 33 lower end is provided with the Y-direction single-excitation ultrasonic oval vibration energy converter 34 being positioned at install bin 35;
Z-direction ultrasonic vibration mechanism 40 comprises Z-direction single-excitation ultrasonic oval vibration energy converter 18 and the Z-direction vibration ultrasonic transformer 19 of coaxial setting, and Z-direction vibration ultrasonic transformer 19 is fixed on workbench 9 by Z-direction ultrasonic transformer retainer 17;
X is connected with circular clamp 12 respectively by studs 13 to vibration ultrasonic transformer 15, Y-direction vibration ultrasonic transformer 33 with the clutch end of Z-direction vibration ultrasonic transformer 19;
Channel ultrasonic wave producer 7 is connected to single-excitation ultrasonic oval vibration energy converter 14, Y-direction single-excitation ultrasonic oval vibration energy converter 34 and Z-direction single-excitation ultrasonic oval vibration energy converter 18 with X respectively by cable.
X is vertical curved complex vibration ultrasonic transformer 36 to any two in vibration ultrasonic transformer 15, Y-direction vibration ultrasonic transformer 33 and Z-direction vibration ultrasonic transformer 19, X is longitudinal ultrasonic vibration transducer 37 to any two in single-excitation ultrasonic oval vibration energy converter 14, Y-direction single-excitation ultrasonic oval vibration energy converter 34 and Z-direction single-excitation ultrasonic oval vibration energy converter 18, and each vertical curved complex vibration ultrasonic transformer 36 correspondence is connected with a longitudinal ultrasonic vibration transducer 37.
Machine-tool spindle system comprises vertically disposed machine tool chief axis 1 and is located at the emery wheel 2 of machine tool chief axis 1 lower end, and the center line of machine tool chief axis 1 overlaps with the center line of chuck 4.
ELID restoring on line assembling system comprises ELID power supply 11, magnetic suction disc 25, fixed muffle 27 and back shaft 28, magnetic suction disc 25 is adsorbed on workbench 9, fixed muffle 27 lower end is connected with magnetic suction disc 25 top, magnetic suction disc 25 sidepiece is provided with the handle 26 for mobile magnetic suction disc 25, back shaft 28 is plugged in fixed muffle 27 and is also connected by the radial pin 24 arranged, back shaft 28 is provided with cathode branch support 29 and anode fixed head 20, cathode branch support 29 is coordinated with back shaft 28 by screw thread, cathode branch support 29 end is provided with half copper ring electrode 23 by rubber separation sleeve 22, half copper ring electrode 23 is connected with the negative electrode of ELID power supply 11, anode fixed head 20 arranges female cleat insulator 30 by two and is fixed on back shaft 28, the end of anode fixed head 20 is provided with the anode carbon brush 21 be connected with the anode of ELID power supply 11, when carrying out emery wheel 2 restoring on line, anode carbon brush 21 crimps with the conductive pieces on machine tool chief axis 1, the axial line of half copper ring electrode 23 and the axis parallel of emery wheel 2.
Channel ultrasonic wave producer 7 simultaneously to X to single-excitation ultrasonic oval vibration energy converter 14, Y-direction single-excitation ultrasonic oval vibration energy converter 34 and Z-direction single-excitation ultrasonic oval vibration energy converter 18 send the same frequency ultrasonic excitation signal with certain phase difference.
X is connected with retainer at the Nodes of respective ultrasonic transformer to vibration ultrasonic transformer 15, Y-direction vibration ultrasonic transformer 33 with Z-direction vibration ultrasonic transformer 19.
X sends radial direction, axis and tangential vibrations respectively to vibration ultrasonic transformer 15, Y-direction vibration ultrasonic transformer 33 and Z-direction vibration ultrasonic transformer 19, impels workpiece 3 to do three-D ultrasonic vibration.Three-D ultrasonic oscillation trajectory is space ellipse.
Machine tool chief axis 1 lower end of the present utility model is connected with emery wheel 2, and drive that emery wheel 2 does up and down, left and right feed motion and rotary motion.ELID restoring on line assembling system 10 is located on the left of workbench 9, when emery wheel 2 needs to carry out ELID restoring on line, by moving up and down handle 26, making ELID restoring on line assembling system 10 move to machine tool chief axis 1 place, carrying out the ELID restoring on line of emery wheel 2.Three-D ultrasonic vibration cutter system is located on workbench 9, three-D ultrasonic vibration cutter system is connected with circular clamp 12 by studs 13, the other end is fixedly connected with workbench 9 with Y-direction ultrasonic transformer retainer 31 to ultrasonic transformer retainer 16, Z-direction ultrasonic transformer retainer 17 by X, to realize the three-D ultrasonic vibration grinding of workpiece.
When machine tool chief axis 1 drives emery wheel 2 pairs of workpiece 3 to do internal grinding, X to single-excitation ultrasonic oval vibration energy converter 14, Y-direction single-excitation ultrasonic oval vibration energy converter 34 and Z-direction single-excitation ultrasonic oval vibration energy converter 18 respectively with X to vibrating ultrasonic transformer 15, Y-direction vibrates ultrasonic transformer 33 and Z-direction is vibrated the same frequency three of certain phase difference that has that channel ultrasonic wave producer 7 transmits by ultrasonic transformer 19 and encouraged ultrasonic signal to be converted to three respectively with frequent mechanical oscillation.Because X is distributed in the radial direction of emery wheel 2, axis and tangentially respectively to vibration ultrasonic transformer 15, Y-direction vibration ultrasonic transformer 33 and Z-direction vibration ultrasonic transformer 19, when three with when mechanical oscillation is applied in circular clamp 12 to vibration ultrasonic transformer 15, Y-direction vibration ultrasonic transformer 33 and Z-direction vibration ultrasonic transformer 19 by X frequently, circular clamp 12 drives workpiece to do the mechanical oscillation of three different directions, is finally superposed to three-D ultrasonic vibration.Circular clamp 12 is by chuck 4 clamping work pieces 3.X can replace with a vertical curved complex vibration ultrasonic transformer 36 to any two in vibration ultrasonic transformer 15, Y-direction vibration ultrasonic transformer 33 and Z-direction vibration ultrasonic transformer 19.Vertical curved complex vibration ultrasonic transformer 36 has skewed slot, and its end is provided with longitudinal ultrasonic vibration transducer 37, can form vertical curved complex vibration, thus realize two-dimensional ultrasound elliptical vibration under single excitation.Another one X is to vibration ultrasonic transformer 15(Y to vibration ultrasonic transformer 33 or Z-direction vibration ultrasonic transformer 19 simultaneously) under the same frequency ultrasonic excitation signal excitation of certain phase difference, produce extensional vibration.The final like this workpiece that impels does three-D ultrasonic vibration.
Be connected and fixed sleeve 27 and back shaft 28 with pin 24, operator regulates the height of back shaft 28 by pin 24.Be provided with magnetic suction disc 25 bottom fixed muffle 27, and be provided with handle 26, by handle 26 move up and down can realize magnetic suction disc 25 and workbench 9 relative movement with fixing.Back shaft 28 is provided with cathode branch support 29 and anode fixed head 20.Back shaft 28 is provided with external screw thread, cathode branch support 29 is coordinated with back shaft 28 by screw thread, cathode branch support 29 end is provided with catholysis unit, user regulates the height of half copper ring electrode 23 and rubber separation sleeve 22 by rotating cathode branch support 29, rubber separation sleeve 22 can play insulating effect.Anode fixed head 20 arranges female cleat insulator 30 by two and is fixed on back shaft 28.Anode fixed head 20 and two cleat insulators 30 adopt plastic material to make, and can ensure the insulating properties of anode.One end of anode fixed head 20 is provided with the anode carbon brush 21 be connected with ELID power supply 11 anode, when carrying out ELID emery wheel 2 restoring on line, anode carbon brush 21 can crimp with the conductive pieces on machine tool chief axis, ensure that emery wheel 2 is with positive electricity, the axial line of half copper ring electrode 23 and the axis parallel of emery wheel 2.
When carrying out the ELID restoring on line of emery wheel 2, ELID power supply 11 anode is crimped with the conductive pieces on machine tool chief axis 1 by anode carbon brush 21, and ELID power supply 11 negative electrode is connected with half copper ring electrode 23.When behind the gap that grinding fluid enters between half copper ring electrode 23 and emery wheel 2 surface, under the effect of electric current, the metallic matrix of emery wheel 2 by electrolysis as anode, makes the abrasive particle exposing surface in emery wheel 2, forms certain height of grain and chip space.Meanwhile, form one deck passivating film gradually on emery wheel 2 surface, stop the proceeding of electrolytic process, make emery wheel 2 can not too fast loss.After the abrasive wear on emery wheel 2 surface, passivating film will be removed by workpiece material scraping, and electrolysis proceeds, can to the finishing further of emery wheel 2 surface.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although be described in detail the utility model with reference to above-described embodiment, those of ordinary skill in the art is to be understood that: still can modify to the utility model or equivalent replacement, and not departing from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (5)
1. a three-D ultrasonic vibration ELID internal grinding experimental provision, it is characterized in that: comprise frame (8), frame (8) is provided with workbench (9), workbench (9) is provided with three-D ultrasonic vibration cutter system and ELID restoring on line assembling system (10), is provided with machine-tool spindle system directly over three-D ultrasonic vibration cutter system.
2. a kind of three-D ultrasonic vibration ELID internal grinding experimental provision according to claim 1, it is characterized in that: described three-D ultrasonic vibration cutter system comprises channel ultrasonic wave producer (7), circular clamp (12), X is to ultrasonic vibration mechanism (5), Y-direction ultrasonic vibration mechanism (6) and Z-direction ultrasonic vibration mechanism (40), circular clamp (12), X is located on workbench (9) to ultrasonic vibration mechanism (5) and Y-direction ultrasonic vibration mechanism (6), Z-direction ultrasonic vibration mechanism (40) is located at workbench (9) below, circular clamp (12) top is used for the chuck (4) of clamping work pieces (3),
X comprises X from coaxial setting to ultrasonic vibration mechanism (5) is to single-excitation ultrasonic oval vibration energy converter (14) and X to vibration ultrasonic transformer (15), and X is fixed to workbench (9) on by X to ultrasonic transformer retainer (16) to vibration ultrasonic transformer (15);
Y-direction ultrasonic vibration mechanism (6) comprises install bin (35) and adopts fastening bolt (32) to be located at the Y-direction ultrasonic transformer retainer (31) at install bin (35) top, Y-direction ultrasonic transformer retainer (31) is vertically provided with Y-direction vibration ultrasonic transformer (33), Y-direction vibration ultrasonic transformer (33) lower end is provided with the Y-direction single-excitation ultrasonic oval vibration energy converter (34) being positioned at install bin (35);
Z-direction ultrasonic vibration mechanism (40) comprises Z-direction single-excitation ultrasonic oval vibration energy converter (18) and Z-direction vibration ultrasonic transformer (19) of coaxial setting, and Z-direction vibration ultrasonic transformer (19) is fixed on workbench (9) by Z-direction ultrasonic transformer retainer (17);
X is connected with circular clamp (12) respectively by studs (13) to vibration ultrasonic transformer (15), Y-direction vibration ultrasonic transformer (33) with the clutch end of Z-direction vibration ultrasonic transformer (19);
Channel ultrasonic wave producer (7) is connected to single-excitation ultrasonic oval vibration energy converter (14), Y-direction single-excitation ultrasonic oval vibration energy converter (34) and Z-direction single-excitation ultrasonic oval vibration energy converter (18) with X respectively by cable.
3. a kind of three-D ultrasonic vibration ELID internal grinding experimental provision according to claim 1 and 2, it is characterized in that: described X is to vibration ultrasonic transformer (15), in Y-direction vibration ultrasonic transformer (33) and Z-direction vibration ultrasonic transformer (19) any two for indulging curved complex vibration ultrasonic transformer (36), X is to single-excitation ultrasonic oval vibration energy converter (14), any two in Y-direction single-excitation ultrasonic oval vibration energy converter (34) and Z-direction single-excitation ultrasonic oval vibration energy converter (18) is longitudinal ultrasonic vibration transducer (37), each vertical curved complex vibration ultrasonic transformer (36) correspondence is connected with a longitudinal ultrasonic vibration transducer (37).
4. a kind of three-D ultrasonic vibration ELID internal grinding experimental provision according to claim 3, it is characterized in that: machine-tool spindle system comprises vertically disposed machine tool chief axis (1) and is located at the emery wheel (2) of machine tool chief axis (1) lower end, and the center line of machine tool chief axis (1) overlaps with the center line of chuck (4).
5. a kind of three-D ultrasonic vibration ELID internal grinding experimental provision according to claim 4, it is characterized in that: described ELID restoring on line assembling system comprises ELID power supply (11), magnetic suction disc (25), fixed muffle (27) and back shaft (28), magnetic suction disc (25) is adsorbed on workbench (9), fixed muffle (27) lower end is connected with magnetic suction disc (25) top, magnetic suction disc (25) sidepiece is provided with the handle (26) for mobile magnetic suction disc (25), back shaft (28) is plugged in fixed muffle (27) and is also connected by the radial pin (24) arranged, back shaft (28) is provided with cathode branch support (29) and anode fixed head (20), cathode branch support (29) is coordinated with back shaft (28) by screw thread, cathode branch support (29) end is provided with half copper ring electrode (23) by rubber separation sleeve (22), half copper ring electrode (23) is connected with the negative electrode of ELID power supply (11), anode fixed head (20) arranges female cleat insulator (30) by two and is fixed on back shaft (28), the end of anode fixed head (20) is provided with the anode carbon brush (21) be connected with the anode of ELID power supply (11), when carrying out emery wheel (2) restoring on line, anode carbon brush (21) crimps with the conductive pieces on machine tool chief axis (1), the axial line of half copper ring electrode (23) and the axis parallel of emery wheel (2).
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| CN105666254A (en) * | 2016-03-15 | 2016-06-15 | 河南理工大学 | Controllable multi-dimensional ultrasonic ELID composite internal grinding test device |
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