CN209850497U - Ultrasonic plane grinding system with flange plate having double vibration reduction and double sealing functions - Google Patents
Ultrasonic plane grinding system with flange plate having double vibration reduction and double sealing functions Download PDFInfo
- Publication number
- CN209850497U CN209850497U CN201821846072.8U CN201821846072U CN209850497U CN 209850497 U CN209850497 U CN 209850497U CN 201821846072 U CN201821846072 U CN 201821846072U CN 209850497 U CN209850497 U CN 209850497U
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- Prior art keywords
- amplitude transformer
- ultrasonic
- grinding wheel
- vibration
- flange
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- 238000000227 grinding Methods 0.000 title claims abstract description 68
- 238000007789 sealing Methods 0.000 title claims abstract description 20
- 230000009467 reduction Effects 0.000 title description 2
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 210000004907 gland Anatomy 0.000 claims abstract description 11
- 238000013016 damping Methods 0.000 claims abstract description 10
- 238000002955 isolation Methods 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 9
- 238000005452 bending Methods 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 claims abstract description 7
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 3
- 238000013461 design Methods 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000002173 cutting fluid Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910001651 emery Inorganic materials 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims 8
- 239000002131 composite material Substances 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 239000000565 sealant Substances 0.000 abstract description 2
- 239000004744 fabric Substances 0.000 abstract 1
- 238000003754 machining Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Landscapes
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The utility model discloses a ring flange has supersound plane grinding system of two damping and double containment functions, sets up ring channel, pinhole and vibration isolation groove on its amplitude transformer ring flange, and O type sealing washer in the ring channel is used for the ring flange to play sealed effect when joining in marriage with the handle of a knife inboard, and the pin is put in the pinhole of flange one side admittedly and is cooperated with the pinhole on the handle of a knife, prevents amplitude transformer's rotation, and the vibration isolation groove weakens the vibration of amplitude transformer and to the transmission of ring flange. A polytetrafluoroethylene gasket is added between the gland and the amplitude transformer flange, so that the vibration of the flange is prevented from being transmitted to the cutter handle through the gland nut, and during assembly, sealant is coated on the end face and the threads of the gland, so that the sealing effect is enhanced. The grinding wheel disc is fixed at the front end of the amplitude transformer through the screw cap, and the composite ultrasonic vibration of longitudinal-bending, longitudinal-twisting, radial-twisting and the like of the grinding wheel disc can be realized according to different amplitude transformer forms. The utility model discloses greatly reduce or eliminated the vibration of the change width of cloth pole to the influence of supersound handle of a knife, the indirect application scope who has enlarged the supplementary processing of supersound.
Description
The technical field is as follows:
the utility model relates to an ultrasonic vibration processing equipment, in particular to supersound plane grinding system with ring flange has two damping and double containment functions.
Background art:
with the wider application of the hard and brittle materials represented by optical glass, advanced ceramics and composite materials thereof in the fields of aerospace, automobile manufacturing, medical appliances and the like, the advantage of the ultrasonic processing technology in the aspect of processing the hard and brittle materials is more and more obvious. Ultrasonic vibration machining is a machining technique in which a tool or a workpiece is vibrated at a high frequency based on a machining method such as general cutting, grinding, or drilling. The application of the method is wider and wider, and the auxiliary processing types are more and more. Experiments show that in the ultrasonic-assisted grinding mode, the machined surface can obtain a better surface microstructure, high machining precision, good surface quality and excellent fatigue resistance, and the service life of the grinding wheel is prolonged.
The utility model has the following contents:
the utility model discloses the technical problem that will solve is: the method overcomes the contradiction that the theory of the node design of the existing ultrasonic product acoustic system is not in accordance with the practice, in theory, the node/node disc is a point or a line and does not generate any vibration, in fact, because of the requirement of supporting rigidity, the node disc is required to be a surface or a body, and the vibration of the node disc cannot be avoided. On the vibration transmission to the handle of a knife for avoiding the festival dish, arouse handle of a knife and main shaft to combine the influence of back vibration to the main shaft precision, the utility model provides an supersound plane grinding system with two damping and double containment functions greatly reduces the vibration of the amplitude transformer to the influence of supersound handle of a knife, guarantees the precision of lathe main shaft, enlarges supersound abrasive machining's practicality and stability simultaneously.
The technical scheme of the utility model is that:
the utility model provides a ring flange has two damping and the supersound plane grinding system of double containment function, includes emery wheel, amplitude transformer, transducer, supersound handle of a knife and wireless transmission dish, characterized by: the rear cover plate, the piezoelectric ceramic plate, the copper electrode plate and the amplitude transformer are connected together by fastening bolts, so that the transducer and the amplitude transformer form an integrated vibration unit; be provided with the ring flange on the amplitude transformer, the ring flange with the annular is seted up to the connection side of transducer for place O type sealing washer, the shock insulation groove is seted up to the opposite side of ring flange, this shock insulation groove with the annular is corresponding, set up the pinhole on ring flange and the supersound handle of a knife, the two is through with pin joint, transducer and amplitude transformer are located in the inner chamber of supersound handle of a knife, the tip of amplitude transformer is provided with the screw thread section, and the inboard of this screw thread section is provided with annular polytetrafluoroethylene packing ring and gland nut, sealed glue is scribbled on the terminal surface of screw thread section, tetrafluoroethylene packing ring and gland nut, carries out clearance seal, wireless transmission dish links to each other with the transducer, assembles in the outside of supersound handle of a knife, the outside of screw thread section is through gland and emery wheel fixed.
Designing according to a local resonance design theory: when the ratio of the diameter of the grinding wheel disc to the diameter of the small end of the amplitude transformer assembled with the grinding wheel disc is more than 10:3, the geometric dimension of the amplitude transformer can be calculated by taking a certain inherent frequency of the large grinding wheel disc as the designed resonant frequency of the amplitude transformer and the transducer, or the geometric dimension of the grinding wheel disc can be calculated by taking the combined frequency of the amplitude transformer and the transducer as the designed frequency of the grinding wheel disc, and the grinding wheel disc vibrates at the inherent frequency close to the resonant frequency; according to different forms of the amplitude transformer, the large grinding wheel disk presents compound vibration of two or more dimensions of longitudinal-bending, bending-torsion, longitudinal-radial, longitudinal-torsion-bending, radial-torsion-longitudinal and the like.
The grinding wheel is butterfly-shaped, bowl-shaped or cup-shaped; the disc surface of the grinding wheel is hollow or not hollow, the amplitude transformer is cylindrical or conical, and a spiral groove or a spiral hole is formed in the amplitude transformer, or the amplitude transformer is not provided with the spiral groove or the spiral hole.
The grinding end face of the grinding wheel is provided with uniformly distributed notches along the circumferential direction, so that cutting fluid and abrasive dust can be conveniently discharged during grinding, and the grinding end face of the grinding wheel is not provided with uniformly distributed notches along the circumferential direction, so that the processing difficulty is reduced.
The compression gasket enables the O-shaped sealing ring to be tightly matched with the inner side of the ultrasonic knife handle, so that the sealing and vibration isolation effects are achieved, and the cutting fluid is prevented from permeating; the wireless transmission disc is in interference fit with the ultrasonic knife handle, and holes are formed in the joint of the wireless transmission disc and the ultrasonic knife handle, so that the induction coil is connected with the transducer.
The utility model has the advantages that:
1. the utility model discloses a non-resonance design theory designs ultrasonic plane grinding system, can avoid according to the complexity that brings when the full resonance design of entire system, simplifies resonance system's design, makes the vibration of abrasive wheel dish more ideal.
2. The utility model discloses a set up two vibration isolation grooves and add O type sealing washer, annular washer and gland nut and scribble waterproof sealed mode of gluing, realize the function of two damping and double containment to greatly reduce or eliminated the vibration that becomes the amplitude rod and to the influence of supersound handle of a knife, avoided the influence of handle of a knife pyramis or blind rivet vibration to the lathe main shaft promptly. The method has great significance for the reliability and stability of the ultrasonic auxiliary processing mode, and indirectly enlarges the application range of the ultrasonic auxiliary processing.
3. The utility model relates to a rationally, realize the supplementary vibration grinding of supersound of large-scale emery wheel dish, compact structure easily promotes the implementation, has good economic benefits.
Description of the drawings:
FIG. 1 is a schematic view of an ultrasonic flat grinding system assembly;
FIG. 2 is an exploded schematic view of an ultrasonic flat grinding system;
FIG. 3 is a half-sectional view of a straight bar type longitudinal vibration horn;
FIG. 4 is a schematic view of a planar hollow grooved grinding wheel disc;
FIG. 5 is a butterfly-shaped grinding wheel disc without hollowing out and grooving;
FIG. 6 is a schematic view of a conical longitudinal torsional composite horn;
FIG. 7 is a grinding wheel disc of a cup type, hollow-out and unslotted type;
FIG. 8 is a cup-shaped hollow unslotted grinder plate.
The specific implementation mode is as follows:
example (b): referring to fig. 1-8, in the figure, 1-wireless transmission disc, 2-ultrasonic knife handle, 3-O-shaped sealing ring, 4-pin, 5-transducer, 6-amplitude transformer, 7-gasket, 8-gland nut, 9-grinding wheel, 10-pressing cap, 11-annular groove/vibration isolation groove, 12-pin hole and 13-vibration isolation groove.
The ultrasonic vibration amplitude transformer consists of an energy transducer 5 and an amplitude transformer 6, and the fastening bolt connects the rear cover plate, the piezoelectric ceramic plate, the copper electrode plate and the amplitude transformer 6 together, so that the energy transducer 5 and the amplitude transformer 6 form the ultrasonic vibration amplitude transformer. During assembly, the rear cover plate, the piezoelectric ceramic piece and the copper electrode plate need to be cleaned by acetone, so that the cleanliness of a connecting surface is ensured.
An annular groove 11 is formed in a flange plate of an amplitude transformer 6 for placing an O-shaped sealing ring 3, a pin 4 is assembled in a pin hole 12, when the amplitude transformer 6 is assembled with an ultrasonic knife handle 2, the pre-tightening force of a gland nut 8 needs to be accurately controlled, the O-shaped sealing ring 3 is guaranteed to be tightly matched with the inner side contact surface of the ultrasonic knife handle 2, the double effects of sealing and positioning are achieved, and meanwhile, sealant is coated between the end surface and the threads of a knife body thread and the gland nut 8, so that the sealing effect is further guaranteed; the pin 4 is in over-win fit with the pin hole in the flange, and the pin 4 and the pin hole 12 need to be in clearance fit, so that the pin 4 fixed on the flange plate and the pin hole in the ultrasonic knife handle 2 are correspondingly assembled, and the amplitude transformer 6 is prevented from rotating under the stress condition.
Notches are uniformly distributed in the circumferential direction of the end face of the grinding wheel 9, so that chips can be conveniently removed during grinding; the web plate of the grinding wheel 9 is hollowed out, so that cutting fluid can rapidly flow into a grinding area in a large quantity, the temperature of the grinding area is reduced, and the discharge of abrasive dust is accelerated; the grinding wheel 9 is connected with the amplitude transformer 6 through a specially designed large-area compression nut, the contact surface needs to be polished during connection, and complete contact and efficient transmission of sound waves are guaranteed.
Punching is performed on the contact part of the ultrasonic knife handle 2 and the wireless transmission disk 1, the wireless transmission disk 1 is connected with the energy converter 5, interference fit is performed by the cooperation of the wireless transmission disk 1 and the ultrasonic knife handle 2, and the wireless transmission disk 1 is fixed on the outer side of the ultrasonic knife handle 2.
Designing according to a local resonance design theory: when the ratio of the diameter of the grinding wheel disc to the diameter of the small end of the amplitude transformer assembled with the grinding wheel disc is more than 10:3, the geometric dimension of the amplitude transformer can be calculated by taking a certain inherent frequency of the large grinding wheel disc as the designed resonant frequency of the amplitude transformer and the transducer, or the geometric dimension of the grinding wheel disc can be calculated by taking the combined frequency of the amplitude transformer and the transducer as the designed frequency of the grinding wheel disc, and the grinding wheel disc vibrates at the inherent frequency close to the resonant frequency; according to different forms of the amplitude transformer, the large grinding wheel disk presents compound vibration of two or more dimensions of longitudinal-bending, bending-torsion, longitudinal-radial, longitudinal-torsion-bending, radial-torsion-longitudinal and the like.
According to the non-resonant design theory, the structural size of the amplitude transformer or the grinding wheel disc can be adjusted, so that a vibration system consisting of the grinding wheel disc and the amplitude transformer resonates at a certain inherent frequency of the grinding wheel disc, and a better vibration effect is achieved.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and all the technical matters of the present invention are all within the scope of the technical solution of the present invention to any simple modification, equivalent change and modification of the above embodiments.
Claims (5)
1. The utility model provides a ring flange has two damping and the supersound plane grinding system of double containment function, includes emery wheel, amplitude transformer, transducer, supersound handle of a knife and wireless transmission dish, characterized by: the rear cover plate, the piezoelectric ceramic plate, the copper electrode plate and the amplitude transformer are connected together by fastening bolts, so that the transducer and the amplitude transformer form an integrated vibration unit; the utility model discloses a ultrasonic vibration isolation device, including ultrasonic handle, ring flange, ultrasonic transmission dish, ultrasonic handle, ultrasonic transmission dish, be provided with the ring flange on the amplitude transformer, the ring flange with the annular is seted up to the connection side of transducer for place O type sealing washer, the opposite side of ring flange is seted up vibration isolation groove, this vibration isolation groove with the annular is corresponding, set up the pinhole on ring flange and the ultrasonic handle of a knife, the two is through with pin joint, transducer and amplitude transformer are located in the inner chamber of ultrasonic handle of a knife, the tip of amplitude transformer is provided with the screw thread section, and the inboard of this screw thread section is provided with annular polytetrafluoroethylene packing ring and gland nut, scribble sealed glue on the terminal surface of screw thread section, tetrafluoroethylene packing ring and gland nut, carry out clearance seal, wireless transmission dish links to each other with the transducer.
2. The ultrasonic flat grinding system with dual vibration damping and dual sealing functions for a flange as claimed in claim 1, wherein: designing according to a local resonance design theory: when the ratio of the diameter of the grinding wheel disc to the diameter of the small end of the amplitude transformer assembled with the grinding wheel disc is more than 10:3, the geometric dimension of the amplitude transformer can be calculated by taking a certain inherent frequency of the large grinding wheel disc as the designed resonant frequency of the amplitude transformer and the transducer, or the geometric dimension of the grinding wheel disc can be calculated by taking the combined frequency of the amplitude transformer and the transducer as the designed frequency of the grinding wheel disc, and the grinding wheel disc vibrates at the inherent frequency close to the resonant frequency; according to different forms of the amplitude transformer, the large grinding wheel disk presents compound vibration of two or more dimensions of longitudinal-bending, bending-torsion, longitudinal-radial, longitudinal-torsion-bending, radial-torsion-longitudinal and the like.
3. The ultrasonic flat grinding system with dual vibration damping and dual sealing functions for a flange as claimed in claim 1, wherein: the grinding wheel is butterfly-shaped, bowl-shaped or cup-shaped; the disc surface of the grinding wheel is hollow or not hollow, the amplitude transformer is cylindrical or conical, and a spiral groove or a spiral hole is formed in the amplitude transformer, or the amplitude transformer is not provided with the spiral groove or the spiral hole.
4. The ultrasonic flat grinding system with dual vibration damping and dual sealing functions for a flange as claimed in claim 1, wherein: the grinding end face of the grinding wheel is provided with uniformly distributed notches along the circumferential direction, so that cutting fluid and abrasive dust can be conveniently discharged during grinding, and the grinding end face of the grinding wheel is not provided with uniformly distributed notches along the circumferential direction, so that the processing difficulty is reduced.
5. The ultrasonic flat grinding system with dual vibration damping and dual sealing functions for a flange as claimed in claim 1, wherein: the O-shaped sealing ring is tightly matched with the inner side of the ultrasonic knife handle by pressing the gasket, so that the sealing and vibration isolation effects are achieved, and the cutting fluid is prevented from permeating; the wireless transmission disc is in interference fit with the ultrasonic knife handle, and holes are formed in the joint of the wireless transmission disc and the ultrasonic knife handle, so that the induction coil is connected with the transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821846072.8U CN209850497U (en) | 2018-11-09 | 2018-11-09 | Ultrasonic plane grinding system with flange plate having double vibration reduction and double sealing functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821846072.8U CN209850497U (en) | 2018-11-09 | 2018-11-09 | Ultrasonic plane grinding system with flange plate having double vibration reduction and double sealing functions |
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| Publication Number | Publication Date |
|---|---|
| CN209850497U true CN209850497U (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821846072.8U Expired - Fee Related CN209850497U (en) | 2018-11-09 | 2018-11-09 | Ultrasonic plane grinding system with flange plate having double vibration reduction and double sealing functions |
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| Country | Link |
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| CN (1) | CN209850497U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109318064A (en) * | 2018-11-09 | 2019-02-12 | 河南理工大学 | Ultrasonic plane grinding method and system with double vibration reduction and double sealing of flange plate |
| CN111113166A (en) * | 2020-02-11 | 2020-05-08 | 华侨大学 | Ultrasonic-assisted self-rotating grinding machine tool spindle structure |
| CN111136513A (en) * | 2020-01-17 | 2020-05-12 | 东莞市山石超声波科技有限公司 | Ground glass manufacturing and processing system |
-
2018
- 2018-11-09 CN CN201821846072.8U patent/CN209850497U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109318064A (en) * | 2018-11-09 | 2019-02-12 | 河南理工大学 | Ultrasonic plane grinding method and system with double vibration reduction and double sealing of flange plate |
| CN111136513A (en) * | 2020-01-17 | 2020-05-12 | 东莞市山石超声波科技有限公司 | Ground glass manufacturing and processing system |
| CN111113166A (en) * | 2020-02-11 | 2020-05-08 | 华侨大学 | Ultrasonic-assisted self-rotating grinding machine tool spindle structure |
| CN111113166B (en) * | 2020-02-11 | 2024-06-07 | 华侨大学 | Main shaft structure of ultrasonic-assisted self-rotation grinding machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191227 |