CN112276785A - Double-traveling-wave action bearing roller ultrasonic grinding device - Google Patents
Double-traveling-wave action bearing roller ultrasonic grinding device Download PDFInfo
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- CN112276785A CN112276785A CN202011107619.4A CN202011107619A CN112276785A CN 112276785 A CN112276785 A CN 112276785A CN 202011107619 A CN202011107619 A CN 202011107619A CN 112276785 A CN112276785 A CN 112276785A
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- grinding disc
- bearing roller
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- wave
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/02—Lapping machines or devices; Accessories designed for working surfaces of revolution
- B24B37/022—Lapping machines or devices; Accessories designed for working surfaces of revolution characterised by the movement of the work between two lapping plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
- B24B1/04—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes subjecting the grinding or polishing tools, the abrading or polishing medium or work to vibration, e.g. grinding with ultrasonic frequency
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/11—Lapping tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/34—Accessories
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a double-traveling-wave action bearing roller ultrasonic grinding device, which comprises an upper grinding disc, a lower grinding disc and a grinding disc, wherein the upper grinding disc is provided with a grinding disc; the lower grinding disc is positioned below the upper grinding disc, a plurality of stations are arranged on the lower grinding disc, and the upper grinding disc and the lower grinding disc can relatively rotate; the first travelling wave generating component is arranged on the upper grinding disc, and the output end of the first travelling wave generating component faces the lower grinding disc; the second traveling wave generating component is arranged on the lower grinding disc, and the output end of the second traveling wave generating component faces the upper grinding disc; the device has the advantages that the first traveling wave generation component is arranged to emit the upgoing wave, the second traveling wave generation component is arranged to emit the downgoing wave, the upgoing wave and the downgoing wave impact the bearing roller like waves and enable the bearing roller to rotate, the material removal rate is improved, the grinding efficiency and quality are improved, the upper grinding disc and the lower grinding disc play a role in ultrasonic rolling on the surface of the bearing roller, the quality and various surface properties of the roller are improved, and the device can realize a processing mode of integrating grinding and strengthening of the bearing roller.
Description
Technical Field
The invention relates to the technical field of bearing roller processing devices, in particular to a double-traveling-wave action bearing roller ultrasonic grinding device.
Background
The main traditional superfinishing mode of the bearing roller is centerless grinding, because the axis of a workpiece is not fixed, the machining precision and consistency of the centerless grinding are highly dependent on the precision and rigidity of a master machine, and the improved eccentric motion biplane superfinishing method improves the size precision, shape precision and consistency of the bearing roller on the basis of the centerless grinding defect.
The existing eccentric motion biplane ultra-precision grinding method has four main defects: one is the low material removal rate, resulting in low processing efficiency. And friction contact points in the grinding process are the same, so that the abrasion of the grinding disc is accelerated, and the machining consistency of the roller is influenced. And thirdly, the surface texture and the residual stress field are changed by removing the surface material of the roller for many times, so that the fatigue strength, the service life and the reliability of the bearing roller are reduced. Fourthly, strengthening modification can not be put into the final processing procedure, and a contradiction is generated because the general final processing procedure can reduce some surface properties of the bearing roller, and strengthening needs to be put into the final processing procedure.
Disclosure of Invention
The invention aims to solve at least one technical problem in the prior art, and provides a double-traveling-wave action bearing roller ultrasonic grinding device which can improve the quality and various surface properties of a roller and improve the grinding efficiency and quality.
According to an embodiment of a first aspect of the present invention, there is provided a double-traveling wave action bearing roller ultrasonic grinding device, comprising an upper grinding disc; the lower grinding disc is positioned below the upper grinding disc, a plurality of stations are arranged on the lower grinding disc, and the upper grinding disc and the lower grinding disc can relatively rotate; the first travelling wave generating component is arranged on the upper grinding disc, and the output end of the first travelling wave generating component faces the lower grinding disc; and the second traveling wave generating part is arranged on the lower grinding disc, and the output end of the second traveling wave generating part faces the upper grinding disc.
Has the advantages that: the ultrasonic grinding device for the double-traveling-wave-actuated bearing roller is provided with a first traveling-wave generating component for generating an up-traveling wave and a second traveling-wave generating component for generating a down-traveling wave on the basis of the relative rotation of an upper grinding disc and a lower grinding disc, the up-traveling wave and the down-traveling wave impact the bearing roller and enable the bearing roller to rotate like a wave form, the material removal rate is improved, and the grinding efficiency and quality are improved, meanwhile, the circumferential propagation characteristics of the upgoing wave and the downgoing wave realize the alternate transformation of contact particles, the abrasion speed of the working surfaces of the upper grinding disc and the lower grinding disc is delayed, further, the upgoing wave and the downgoing wave can also act on the processing surfaces of the upper grinding disc and the lower grinding disc, the ultrasonic rolling effect is achieved on the surface of the bearing roller, the quality and various surface properties of the roller are improved, and the double-traveling-wave-action bearing roller ultrasonic grinding device can achieve a processing mode of integrating grinding and strengthening of the bearing roller.
According to the ultrasonic grinding device for the double-row wave action bearing roller, disclosed by the embodiment of the first aspect of the invention, the first row wave generation component comprises an upper piezoelectric ceramic piece, and the upper piezoelectric ceramic piece is arranged on the top of the upper grinding disc.
According to the ultrasonic grinding device for the double-traveling-wave action bearing roller, disclosed by the embodiment of the first aspect of the invention, the second traveling-wave generation component comprises a lower piezoelectric ceramic piece, and the lower piezoelectric ceramic piece is arranged at the bottom of the lower grinding disc.
According to the ultrasonic grinding device for the double-traveling-wave action bearing roller, disclosed by the embodiment of the first aspect of the invention, the upper piezoelectric ceramic piece is of a circular ring-shaped structure, and the upper piezoelectric ceramic piece and the lower piezoelectric ceramic piece are of the same structure.
According to the ultrasonic grinding device for the double-traveling-wave action bearing roller, provided by the embodiment of the first aspect of the invention, the first through hole is formed in the middle of the lower grinding disc, one end of the station is arranged at the edge of the lower grinding disc, and the other end of the station extends to the first through hole.
According to the ultrasonic grinding device for the double-row wave action bearing roller, provided by the embodiment of the first aspect of the invention, the station is an elongated groove, and the cross section of the station is in a V shape.
According to the ultrasonic grinding device for the double-traveling-wave action bearing roller, provided by the embodiment of the first aspect of the invention, the stations are arranged in a circumferential array by taking the circle center of the first through hole as the center.
According to the ultrasonic grinding device for the double-traveling-wave action bearing roller, provided by the embodiment of the first aspect of the invention, the upper grinding disc is provided with a plurality of second through holes, and each second through hole is respectively and correspondingly communicated with each station.
According to the ultrasonic grinding device for the double-traveling-wave action bearing roller, provided by the embodiment of the first aspect of the invention, the top of the upper grinding disc is provided with the external mounting position.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, a double traveling wave action bearing roller ultrasonic grinding apparatus includes an upper grinding disk 10; the lower grinding disc 20 is positioned below the upper grinding disc 10, a plurality of stations 21 are arranged on the lower grinding disc 20, and the upper grinding disc 10 and the lower grinding disc 20 can rotate relatively; a first row-wave generating member 30 provided on the upper polishing platen 10, an output end of the first row-wave generating member 30 facing the lower polishing platen 20; and a second traveling-wave generating member 40 provided on the lower polishing platen 20, an output end of the second traveling-wave generating member 40 being directed to the upper polishing platen 10. The ultrasonic grinding device for the double-traveling-wave-actuated bearing roller is characterized in that on the basis that an upper grinding disc 10 and a lower grinding disc 20 rotate relatively, a first traveling-wave generating component 30 is arranged to emit an upgoing wave, a second traveling-wave generating component 40 is arranged to emit a downgoing wave, the upgoing wave and the downgoing wave impact the bearing roller and enable the bearing roller to rotate in a wave form, so that the material removal is accelerated, the material removal rate is improved, the grinding efficiency and quality are improved, meanwhile, the circumferential propagation characteristics of the upgoing wave and the downgoing wave realize the alternate transformation of contact particles, the abrasion speed of the working surfaces of the upper grinding disc 10 and the lower grinding disc 20 is delayed, further, the upgoing wave and the downgoing wave can also act on the processing surfaces of the upper grinding disc 10 and the lower grinding disc 20, the surface of the bearing roller is subjected to ultrasonic rolling effect, the quality and various surface performances of the roller are improved, and the surface strengthening and, the roller obtains a nanostructure layer and high-numerical-value surface residual compressive stress, and the fatigue resistance, wear resistance and corrosion resistance of the bearing can be improved. The double-traveling-wave-actuated bearing roller ultrasonic grinding device can realize a processing mode of integrating grinding and strengthening of the bearing roller, and avoids the influence of repeated clamping of multiple processing procedures on the size consistency of the bearing roller.
Specifically, ultrasonic rolling is to apply certain static pressure and ultrasonic vibration along the normal direction of the metal surface, and under the action of static extrusion rolling and dynamic impact, the large impact can be generated on the metal surface, so that large plastic deformation is introduced to the metal surface, the surface structure is refined, the roughness of the processed surface can be reduced, the surface hardness is increased, residual stress is introduced to the surface, and the performances of fatigue resistance, corrosion resistance, wear resistance and the like of a workpiece can be improved. The up-going wave and the down-going wave can be subjected to modal analysis and adjustment to ensure that the bearing roller performs autorotation at the maximum speed.
In the present embodiment, the first traveling wave generating member 30 includes an upper piezoelectric ceramic sheet that is seamlessly adhered to the top of the upper abrasive disk 10. The second traveling wave generating part 40 includes a lower piezoelectric ceramic sheet which is bonded and adhered to the bottom of the lower abrasive disk 20 in a seamless manner. Preferably, the upper piezoelectric ceramic piece is of a circular ring structure, and the upper piezoelectric ceramic piece and the lower piezoelectric ceramic piece are of the same structure.
Specifically, the piezoelectric ceramic sheet is a piezoelectric material having two material properties, namely a positive piezoelectric effect and an inverse piezoelectric effect, and a high-frequency electric signal can be converted into ultrasonic vibration with the same frequency by using the inverse piezoelectric effect. The operating principle of the ultrasonic motor is made by using the relevant properties, as are the first traveling-wave generating member 30 and the second traveling-wave generating member 40.
In this embodiment, the middle of the lower grinding disc 20 is provided with a first through hole 22, one end of the station 21 is opened at the edge of the lower grinding disc 20, and the other end of the station 21 extends to the first through hole 22. Preferably, the station 21 is an elongated channel and the cross-sectional shape of the station 21 is "V" shaped. Wherein, the both ends of station 21 all are connected to down outside abrasive disc 20, and the processing sweeps of can in time discharging has improved the material clearance. The bearing roller is placed through the V-shaped groove, so that the bearing roller can rotate smoothly, and the friction force applied during rotation is lower.
In this embodiment, the upper polishing disk 10 and the lower polishing disk 20 are both disc-shaped structures, and each station 21 is arranged in a circumferential array with the center of the first through hole 22 as the center, so that the spaces of the upper polishing disk 10 and the lower polishing disk 20 are fully utilized, and the processing efficiency is improved.
In this embodiment, the upper polishing disk 10 is provided with a plurality of second through holes 12, each second through hole 12 is correspondingly communicated with each station 21, and the second through holes 12 are used for dripping polishing slurry, so as to ensure the processing quality.
In the present embodiment, the double-row wave-actuated bearing roller ultrasonic grinding apparatus is a double-disc grinder, the upper grinding disc 10 and the lower grinding disc 20 are parallel to each other, and the bearing rollers are placed between the upper grinding disc 10 and the lower grinding disc 20. During processing, the lower grinding disc 20 is fixed, and the upper grinding disc 10 rotates, so preferably, the top of the upper grinding disc 10 is provided with an external mounting position 11, the external mounting position 11 can be used for connecting a rotating device on one hand, and can be used for connecting a pre-pressure input device on the other hand, and the pressure of the upper grinding disc 10 and the lower grinding disc 20 on the bearing roller is changed by adjusting static pressure.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (9)
1. A double traveling wave action bearing roller ultrasonic grinding device is characterized by comprising:
an upper grinding disc;
the lower grinding disc is positioned below the upper grinding disc, a plurality of stations are arranged on the lower grinding disc, and the upper grinding disc can rotate relative to the lower grinding disc;
the first row wave generating component is arranged on the upper grinding disc, and the output end of the first row wave generating component faces the lower grinding disc;
and the second traveling wave generation part is arranged on the lower grinding disc, and the output end of the second traveling wave generation part faces the upper grinding disc.
2. The double row wave action bearing roller ultrasonic grinding apparatus of claim 1, wherein: the first traveling wave generating component comprises an upper piezoelectric ceramic piece, and the upper piezoelectric ceramic piece is arranged at the top of the upper grinding disc.
3. The double row wave action bearing roller ultrasonic grinding apparatus of claim 2, wherein: the second traveling wave generating component comprises a lower piezoelectric ceramic piece, and the lower piezoelectric ceramic piece is arranged at the bottom of the lower grinding disc.
4. The double row wave action bearing roller ultrasonic grinding apparatus of claim 3, wherein: the upper piezoelectric ceramic piece is of a circular ring-shaped structure, and the upper piezoelectric ceramic piece is identical to the lower piezoelectric ceramic piece in structure.
5. The double row wave action bearing roller ultrasonic grinding apparatus of claim 1, wherein: the middle part of lapping disc is equipped with first through-hole down, the one end of station is seted up the edge of lapping disc down, the other end of station extends to first through-hole.
6. The double row wave action bearing roller ultrasonic grinding apparatus of claim 5, wherein: the station is a strip-shaped groove, and the cross section of the station is V-shaped.
7. The double row wave action bearing roller ultrasonic grinding apparatus of claim 5, wherein: each station is arranged in a circumferential array by taking the circle center of the first through hole as the center.
8. The double row wave action bearing roller ultrasonic grinding apparatus of claim 7, wherein: and a plurality of second through holes are formed in the upper grinding disc, and the second through holes are respectively and correspondingly communicated with the stations.
9. The double row wave action bearing roller ultrasonic grinding apparatus according to any one of claims 1 to 8, wherein: and the top of the upper grinding disc is provided with an external mounting position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011107619.4A CN112276785B (en) | 2020-10-16 | 2020-10-16 | Double-traveling-wave action bearing roller ultrasonic grinding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011107619.4A CN112276785B (en) | 2020-10-16 | 2020-10-16 | Double-traveling-wave action bearing roller ultrasonic grinding device |
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| CN112276785A true CN112276785A (en) | 2021-01-29 |
| CN112276785B CN112276785B (en) | 2022-07-05 |
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