CN210916181U - Ultrasonic-assisted vibration shot peening strengthening process device for tooth root and tooth surface - Google Patents
Ultrasonic-assisted vibration shot peening strengthening process device for tooth root and tooth surface Download PDFInfo
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- CN210916181U CN210916181U CN201921981637.8U CN201921981637U CN210916181U CN 210916181 U CN210916181 U CN 210916181U CN 201921981637 U CN201921981637 U CN 201921981637U CN 210916181 U CN210916181 U CN 210916181U
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Abstract
The utility model discloses a tooth root flank of tooth supersound auxiliary vibration peening strengthening process units comprises servo motor, shaft coupling, motor base fixed plate, ultrasonic vibration device, V type slide rail groove, frame, gear workpiece, the curved device that shakes of supersound, ultrasonic power A and ultrasonic power B, adopts the mode that the curved excitation work piece that shakes of supersound high-frequency vibration excitation steel shot and supersound, and the number of times that is strikeed in the working face unit interval is more and the atress is more even, has improved the effect that the peening is reinforceed. The permanent magnet is adopted to adsorb the steel shots on the profiling working surface of the tool head, so that the shot blasting equipment is more flexible and portable to use. The utility model discloses fuse shot-blasting machine and ultrasonic vibration device together for solve the gear root and the even processing difficult problem of intensive processing of flank of tooth, enlarged shot-blasting machine's application range, easily popularize and implement, have good economic benefits.
Description
Technical Field
The utility model relates to a tooth root flank of tooth supersound auxiliary vibration peening strengthening process units belongs to metal surface mechanical strengthening technical field.
Background
The failure modes of mechanical parts mainly include residual deformation, fatigue, corrosion, abrasion and the like, and the failure of metal parts begins from the surfaces of the parts moving relative to each other. The improvement of the surface performance of the parts is one of effective ways to reduce the failure of the parts and prolong the service life of the parts, so that the surface mechanical strengthening technology is widely applied to the manufacturing of mechanical parts.
Shot peening is a cold-working surface modification and forming technology, i.e. under the drive of external force, steel shots impact a workpiece at a certain speed to cause the material to generate elastic-plastic deformation and form pits on the surface of metal, so that countless pits are generated and overlapped to form a uniform residual compressive stress layer. In recent years, people pay great attention to shot peening technology, shot peening methods are continuously enriched, and besides traditional pneumatic shot peening and mechanical shot peening, various new technologies such as high-pressure water jet peening, laser shot peening, ultrasonic shot peening and the like are researched and developed. The ultrasonic shot blasting is used as a novel surface modification and forming technology, and is mainly different from the traditional shot blasting in that ultrasonic vibration is used as an energy source to drive a steel shot to impact a workpiece to complete strengthening. Compared with the common shot blasting equipment, the equipment has the advantages of smaller volume, less energy consumption, short treatment time, strong controllability of process parameters and wide applicability because the ultrasonic vibration is adopted as an energy source, and can be used for surface strengthening, shape correction or forming of workpieces of different materials and shapes.
The equipment and the method for carrying out shot blasting treatment on the surface of the part in the prior art are mostly complicated in structure and have higher requirements on the control conditions of the process; the ultrasonic shot peening strengthening treatment equipment and method in the prior art adopt a mode of only applying ultrasonic excitation to the steel shot, the steel shot moves to the surface of a workpiece after the ultrasonic excitation, and the steel shot contacting the workpiece has no original energy of ultrasonic high-frequency excitation after energy loss, so that the expected effect of ultrasonic shot peening strengthening can not be achieved.
Therefore, need for a simple structure, the simple and convenient, the shot peening strengthening method of the process control of being convenient for of operation mode urgently, a tooth root flank of tooth supersound auxiliary vibration peening strengthening process units, can break away from the restriction of the conventional bulky peening equipment, carry out the supersound excitation of high frequency to the shot through supersound high frequency vibration excitation tool head, adopt the supersound to bend the device that shakes simultaneously and carry out the high frequency supersound excitation to gear workpiece, adopt the mode of permanent magnet adsorption shot, improved the effect of surface strengthening and the utilization ratio of shot, this method simple accurate is simple, be favorable to advancing the development, development and the application of supersound peening equipment.
Disclosure of Invention
To the not enough among the prior art, the utility model provides a tooth root flank of tooth supersound auxiliary vibration peening intensification process units has machining efficiency height, small, long service life, advantage that the flexibility is high.
The technical scheme of the utility model
A tooth root tooth surface ultrasonic auxiliary vibration shot peening strengthening process device specifically comprises: the device comprises a servo motor, a motor base fixing plate, an internal thread flange, an ultrasonic vibration device, a V-shaped slide rail groove, a rack, a gear workpiece, a semicircular key, an ultrasonic bending vibration device fixing plate, an ultrasonic power supply A, an ultrasonic power supply B and a baffle plate; the method specifically comprises the following steps:
a, the servo motor is fixedly connected with a motor base fixing plate of the frame through a motor base, a lead screw shaft head is fixedly connected with a motor spindle through a coupler, and a lead screw is connected with a lead screw sleeve of the ultrasonic vibration device.
And b, welding and fixing the V-shaped slide rail groove and the rack, matching and connecting the V-shaped slide rail of the ultrasonic vibration device with the V-shaped slide rail groove of the rack, and controlling the ultrasonic vibration device to move up and down in the vertical direction by the slide rail under the action of the servo motor driving screw transmission device.
c, a baffle is arranged at the node position of one end of the ultrasonic bending vibration device, which is not the energy converter, and the baffle and the nut are jointly fixed on the fixing plate of the ultrasonic bending vibration device.
d, the ultrasonic vibration device comprises a lead screw transmission sleeve, a V-shaped sliding rail, a variable amplitude device fixing shell, a variable amplitude device, a tool head, a flange, a bolt and steel shots, wherein the variable amplitude device is fixedly connected with the variable amplitude device fixing shell at the position of the flange through the bolt.
The permanent magnet is arranged in the tool head, the steel shot is adsorbed on the profiling working surface of the tool head by the magnetic force of the permanent magnet, when the tool head works, the tool head of the ultrasonic vibration device is close to the tooth root part of the gear workpiece under the action of the lead screw transmission device and contacts with the tooth root and the tooth surface, the high-frequency vibration excited by the ultrasonic power supply A is amplified by the amplitude transformer to enable the tool head to generate longitudinal high-frequency vibration, the steel shot adsorbed on the profiling working surface of the tool head rebounds after impacting the tooth root and the tooth surface of the gear to obtain a speed deviating from the tooth surface, and because the resultant force of gravity and electromagnetic force borne by the steel shot is vertical upwards, the steel shot can return to the end surface of the tool head again, the steel shot is accelerated again to obtain a downward speed and impacts the tooth root and the tooth surface of the gear again, and the bending vibration generated by the ultrasonic bending vibration device is transmitted, the shot peening strengthening work of the single tooth root and the tooth surface of the gear workpiece is completed under the common excitation of the ultrasonic vibration device and the ultrasonic bending vibration device.
The profiling working surface of the tool head can just cover one tooth root and the adjacent half tooth profiles on two sides of the tooth root at each time, and the shot peening strengthening work of the whole gear working surface can be completed by rotating the gear workpiece around the ultrasonic bending vibration device for one circle.
The beneficial effects of the utility model
The utility model discloses a permanent magnet adsorbs the steel shot at the profile modeling working face of instrument head, and the root of the tooth of the counter gear that can be disposable carries out peening strengthening simultaneously with the flank of tooth and handles, has broken away from the restriction of the big and heavy traditional peening equipment of area, makes peening equipment's use nimble more, the lightness.
The utility model discloses a mode of supersound high-frequency vibration excitation, the number of times of shot striking working face is more in the unit interval, the striking dynamics is more even, has improved the effect that the peening is reinforceed.
The utility model discloses fuse together shot-blasting machine and ultrasonic vibration device, install ultrasonic shot-blasting machine in the frame for solve the processing difficult problem that tooth root and flank of tooth evenly strengthen the processing, enlarged shot-blasting processing's application range, easily implement widely, have good economic benefits.
The utility model discloses a device that shakes is bent to solitary supersound carries out radial high frequency impulse excitation to gear workpiece, has strengthened the effect that the peening is reinforceed greatly.
Because the utility model discloses a built-in permanent magnet adsorbs the mode of shot and gland restriction shot diffusion, the utility model discloses a tool head can adopt the peening intensive processing of 360 multi-angles to the work piece.
Description of the drawings:
FIG. 1 is a schematic structural diagram of a process unit for ultrasonic-assisted vibration peening strengthening of a tooth root and a tooth flank;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a schematic view of an ultrasonic bending horn;
FIG. 5 is an enlarged view of section A of FIG. 2;
FIG. 6 is a schematic view of an ultrasonic vibration apparatus;
FIG. 7 is a front view of FIG. 6;
FIG. 8 is an enlarged partial view of the bottom view of FIG. 6;
FIG. 9 is a schematic view of a tool head configuration;
FIG. 10 is a front view of FIG. 9;
FIG. 11 is a left side view of FIG. 9;
FIG. 12 is a cross-sectional view taken along line B-B of FIG. 11;
FIG. 13 shows a baffle;
fig. 14 is a schematic view showing the application of ultrasonic vibration in the radial direction.
The specific implementation mode is as follows:
example (b): referring to fig. 1-14, in the drawings, a servo motor 1, a motor base fixing plate 2, a coupler 3, an ultrasonic vibration device 4, a V-shaped slide rail groove 5, a frame 6, a gear workpiece 7, a semi-circular key 8, an ultrasonic bending vibration device 9, an ultrasonic bending vibration device fixing plate 10, an ultrasonic power supply A11, a screw rod 12, a motor base 13, a fastening nut 14, an ultrasonic power supply B15, a baffle 16, a screw rod transmission sleeve 4-1, a V-shaped slide rail 4-2, a horn fixing shell 4-3, a horn 4-4, a tool head 4-5, a flange 4-6, a bolt 4-7, a steel shot 4-8, a bolt 4-5-1, a sealing plate 4-5-2, a profiling working face 4-5-3, a permanent magnet 4-5, a press cap 9-1, a piezoelectric ceramic plate 9-2, a, A bending amplitude transformer 9-3 and a semicircular key groove 9-4.
The utility model provides a tooth root flank of tooth supersound auxiliary vibration peening strengthening process units, wherein ultrasonic power supply A11 does the utility model discloses an ultrasonic vibration device 4 provides high-frequency vibration excitation signal, and servo motor 1 passes through motor base 13 to be connected with motor base fixed plate 2, and lead screw 12's spindle nose passes through shaft coupling 3 to be connected with servo motor 1's main shaft, and lead screw 12 is connected with ultrasonic vibration device 4's lead screw cover 4-1. The V-shaped slide rail 4-2 of the ultrasonic vibration device 4 is connected with the V-shaped slide rail groove 5 of the frame 6 in a matching way, and the ultrasonic vibration device 4 moves up and down along the V-shaped slide rail groove 5 in the vertical direction under the action of the servo motor 1.
The ultrasonic bending vibration device 9 not only generates bending vibration, but also the bending vibration amplitude transformer 9-3 is also a shaft of the fixed gear workpiece 7; the transducer of the ultrasonic bending vibration device 9 comprises a pressing cap 9-1, 4 (even number) piezoelectric ceramic plates 9-2, a bolt and a bending vibration amplitude transformer 9-3, wherein a semicircular key groove 9-4 is formed in the maximum bending vibration position of the amplitude transformer 9-3, a flange is arranged at the node position of one end, connected with the transducer, of the bending vibration amplitude transformer 9-3, and a thread is arranged at the node position of the other end of the bending vibration amplitude transformer 9-3.
The gear workpiece 7 is connected with an ultrasonic bending vibration device 9 through a semicircular key 8, one end of the ultrasonic bending vibration device 9 is placed on an ultrasonic bending vibration device fixing plate 10, the other end of the ultrasonic bending vibration device 9 is fixed on the ultrasonic bending vibration device fixing plate 10 through a baffle plate 16 and a fastening nut 14, two fixing positions are set to be node positions with the amplitude of an ultrasonic bending vibration amplitude transformer 9-3 being 0 mu m, the nominal size of the semicircular key is 8 × 11 × 28mm, the vibration frequency of the ultrasonic bending vibration amplitude transformer 9-3 is 28KHz, and the maximum bending vibration amplitude is 5-8 mu m.
The ultrasonic vibration device 4 comprises a lead screw transmission sleeve 4-1, a V-shaped sliding rail 4-2, a horn fixed shell 4-3, a horn 4-4, a tool head 4-5, a flange 4-6, a bolt 4-7 and a steel shot 4-8, wherein the flange 4-6 of the horn 4-4 is fixedly connected with the horn fixed shell 4-3 through the bolt 4-7, the working frequency of the horn 4-4 is 35KHz, and the axial amplitude of the horn is 3-35 mu m when in work.
The tool head 4-5 is internally provided with a permanent magnet 4-5-5 which is pressed and fixed with a bolt 4-5-1 through a gland 4-5-4. When the tool head 4-5 of the ultrasonic vibration device 4 is close to the tooth root part of the gear workpiece 7 under the action of the servo motor 1 and keeps a working gap of 6mm with the tooth root surface, the steel shot 4-8 is a magnetic steel ball with the diameter of 0.5mm, the steel shot 4-8 is adsorbed on the profiling working surface 4-5-3 of the tool head by the magnetic force of the permanent magnet 4-5-5, the high-frequency vibration excited by the ultrasonic power supply A11 enables the tool head 4-5 to generate longitudinal high-frequency vibration under the amplification action of the amplitude transformer 4-4, the steel shot 4-8 adsorbed on the profiling working surface 4-5-3 of the tool head 4-5 rebounds after impacting the tooth root and the tooth surface of the gear to obtain an upward speed, and the resultant force of the gravity and the electromagnetic force borne by the steel shot returns to the end surface of the tool head 4-5 again because the resultant force of the gravity and the electromagnetic force, and then the workpiece is accelerated again to obtain the downward speed again, the tooth root and the tooth surface of the gear workpiece 7 are impacted again, meanwhile, the bending vibration generated by the ultrasonic bending vibration device 9 is transmitted to the gear workpiece 7, the gear workpiece 7 is excited to carry out high-frequency ultrasonic vibration, and the shot peening strengthening work of the single tooth root and the single tooth surface of the gear workpiece 7 is completed under the common excitation of the ultrasonic vibration device 4 and the ultrasonic bending vibration device 9. The process is repeated, and a certain amount of steel shots 4-8 continuously and repeatedly impact the tooth root and the tooth surface of the gear, so that the effect of strengthening the tooth root and the tooth surface is achieved.
The profiling working surface 4-5-3 of the tool head 4-5 can just cover one tooth root and the adjacent half tooth profiles on two sides of the tooth root at each time, and the shot peening strengthening work of the whole working surface of the gear can be completed by rotating the gear workpiece 7 around the ultrasonic bending vibration device 9 for one circle.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and the above embodiments of the present invention can be variously modified. All the simple and equivalent changes and modifications made according to the claims and the content of the specification of the present invention belong to the protection scope of the claims of the present invention.
Claims (5)
1. The utility model provides a tooth root flank of tooth supersound auxiliary vibration peening intensification process units which characterized in that includes: the device comprises a servo motor, a motor base fixing plate, an internal thread flange, an ultrasonic vibration device, a V-shaped slide rail groove, a rack, a gear workpiece, a semicircular key, an ultrasonic bending vibration device fixing plate, an ultrasonic power supply A, an ultrasonic power supply B and a baffle plate; the servo motor is fixedly connected with a motor base fixing plate of the frame through a motor base, a lead screw shaft head is fixedly connected with a motor spindle through a coupler, and a lead screw is connected with a lead screw sleeve of the ultrasonic vibration device; the V-shaped sliding rail groove is welded and fixed with the rack, and a V-shaped sliding rail of the ultrasonic vibration device is connected with the V-shaped sliding rail groove of the rack in a matching way; the ultrasonic bending vibration device is provided with a baffle at the node position of one end of the non-energy converter, and the baffle and the nut are fixed on a fixing plate of the ultrasonic bending vibration device together; the ultrasonic vibration device comprises a lead screw transmission sleeve, a V-shaped sliding rail, a horn fixed shell, a horn, a tool head, a flange, a bolt and steel shots, wherein the horn is fixedly connected with the horn fixed shell at the position of the flange through the bolt.
2. The ultrasonic-assisted vibration shot peening strengthening process device for the tooth root tooth surface as claimed in claim 1, wherein: the ultrasonic bending vibration device not only generates bending vibration, but also simultaneously generates bending vibration amplitude transformer and is a shaft of the fixed gear; the energy converter of the ultrasonic bending vibration device comprises a pressing cap, 4 piezoelectric ceramic pieces, a bolt and a bending vibration amplitude transformer, the whole size of the ultrasonic bending vibration device is designed according to the 'half wavelength' rule, wherein a semicircular key groove is formed in the maximum bending vibration position of the amplitude transformer, a flange is arranged at the node position of one end, connected with the energy converter, of the bending vibration amplitude transformer, and a thread is arranged at the node position of the other end of the bending vibration amplitude transformer.
3. The ultrasonic-assisted vibration shot peening strengthening process device for the tooth root tooth surface as claimed in claim 1, wherein: the gear workpiece is connected with the ultrasonic bending vibration device by a semicircular key; the outer surface of the tool head is designed by gear tooth profile profiling, and a permanent magnet is arranged in the tool head.
4. The ultrasonic-assisted vibration shot peening strengthening process device for the tooth root tooth surface as claimed in claim 1, wherein: the clearance between the tool head profiling working surface of the ultrasonic vibration device and the tooth surface to be processed is 6 mm.
5. The ultrasonic-assisted vibration shot peening strengthening process device for the tooth root tooth surface as claimed in claim 1, wherein: the ultrasonic vibration device of the gear workpiece has three types: the energy converter is arranged at one end of the amplitude transformer of the ultrasonic bending vibration device, or the energy converter is arranged at two ends of the amplitude transformer of the ultrasonic bending vibration device, or the ultrasonic longitudinal vibration devices are respectively arranged at the left and right sides under the gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921981637.8U CN210916181U (en) | 2019-11-18 | 2019-11-18 | Ultrasonic-assisted vibration shot peening strengthening process device for tooth root and tooth surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921981637.8U CN210916181U (en) | 2019-11-18 | 2019-11-18 | Ultrasonic-assisted vibration shot peening strengthening process device for tooth root and tooth surface |
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| Publication Number | Publication Date |
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| CN210916181U true CN210916181U (en) | 2020-07-03 |
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| CN201921981637.8U Expired - Fee Related CN210916181U (en) | 2019-11-18 | 2019-11-18 | Ultrasonic-assisted vibration shot peening strengthening process device for tooth root and tooth surface |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110724804A (en) * | 2019-11-18 | 2020-01-24 | 河南理工大学 | Ultrasonic-assisted vibration shot blasting strengthening process method for tooth root and tooth surface |
| CN111926160A (en) * | 2020-06-29 | 2020-11-13 | 湖南科技大学 | Ultrasonic shot blasting device for surface strengthening of cylindrical gear |
| CN114214492A (en) * | 2021-11-30 | 2022-03-22 | 南京航空航天大学 | Ultrasonic shot-peening forming equipment based on bending vibration sandwich type transducer |
| CN114959217A (en) * | 2022-05-27 | 2022-08-30 | 南京航空航天大学 | Low-temperature ultrasonic shot blasting device based on semiconductor refrigeration technology and use method |
-
2019
- 2019-11-18 CN CN201921981637.8U patent/CN210916181U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110724804A (en) * | 2019-11-18 | 2020-01-24 | 河南理工大学 | Ultrasonic-assisted vibration shot blasting strengthening process method for tooth root and tooth surface |
| CN110724804B (en) * | 2019-11-18 | 2023-09-26 | 河南理工大学 | Ultrasonic-assisted vibration shot peening strengthening process method for tooth root and tooth surface |
| CN111926160A (en) * | 2020-06-29 | 2020-11-13 | 湖南科技大学 | Ultrasonic shot blasting device for surface strengthening of cylindrical gear |
| CN114214492A (en) * | 2021-11-30 | 2022-03-22 | 南京航空航天大学 | Ultrasonic shot-peening forming equipment based on bending vibration sandwich type transducer |
| CN114959217A (en) * | 2022-05-27 | 2022-08-30 | 南京航空航天大学 | Low-temperature ultrasonic shot blasting device based on semiconductor refrigeration technology and use method |
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