CN217512243U - Single-excitation two-dimensional ultrasonic elliptical vibration machining platform device - Google Patents
Single-excitation two-dimensional ultrasonic elliptical vibration machining platform device Download PDFInfo
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- CN217512243U CN217512243U CN202121457303.8U CN202121457303U CN217512243U CN 217512243 U CN217512243 U CN 217512243U CN 202121457303 U CN202121457303 U CN 202121457303U CN 217512243 U CN217512243 U CN 217512243U
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Abstract
The utility model provides a single-excitation two-dimensional ultrasonic elliptical vibration processing platform device, which comprises an ultrasonic power supply, an ultrasonic transducer, a single-excitation two-dimensional ultrasonic elliptical vibration platform and a clamp; the ultrasonic power supply is connected with the ultrasonic transducer and generates an ultrasonic frequency electric signal; the ultrasonic transducer comprises an end cover, piezoelectric ceramics and an electrode plate, and converts an ultrasonic frequency electric signal into ultrasonic vibration; a workpiece is placed on the single-excitation two-dimensional ultrasonic elliptical vibration platform; the single-excitation two-dimensional ultrasonic elliptical vibration platform converts one-dimensional ultrasonic vibration into ultrasonic elliptical vibration to drive the workpiece to generate ultrasonic elliptical vibration; the clamp clamps the single-excitation two-dimensional ultrasonic elliptical vibration platform. The technical scheme can be applied to the hard and brittle material processing industry, the processing quality of the hard and brittle material can be obviously improved, and the processing efficiency of the hard and brittle material can be greatly improved.
Description
Technical Field
The utility model relates to a hard and brittle material processing technology field specifically indicates a single excitation two-dimentional ultrasonic elliptical vibration processing platform device.
Background
The hard and brittle materials such as ceramics, monocrystalline silicon, microcrystalline glass and the like have excellent mechanical properties such as high strength, high hardness, wear resistance, high temperature resistance, chemical corrosion resistance, oxidation resistance, toughening modification and the like. With the development of science and technology and industry, the manufacturing industry is developing towards high-performance materials, precision manufacturing and the like, on one hand, the demand for hard brittle materials with excellent physical, chemical and mechanical properties is increasing, and on the other hand, higher requirements are provided for the processing precision, the processing quality and the processing efficiency of key parts. Hard and brittle materials such as ceramics, monocrystalline silicon, microcrystalline glass and the like are increasingly applied to the fields of photoelectricity, aerospace, automobiles, biomedical engineering, 3C digital codes and the like. In the traditional processing technology, due to the limitation of the process level, a large cutting force and a large cutting temperature are easily generated when a hard and brittle material is processed, so that the problems of unqualified surface quality of a key part, poor surface shape precision, low processing efficiency, short service life of a cutter and the like are caused. Therefore, new ultra-precision processing techniques, methods and processes are continually sought to meet the increasingly stringent requirements of advanced manufacturing and processing industries.
The ultrasonic elliptical vibration machining technology is firstly proposed by Ningyi of Japan scholars on the CIRP international conference, combines ultrasonic elliptical vibration and traditional ultrasonic machining together, and changes the removal mechanism of the traditional cutting machining. In the elliptical vibration cutting process, the cutter is periodically and intermittently contacted and separated with a workpiece and chips, which not only contributes to the reduction of cutting force, but also contributes to the outflow of the chips. Compared with common cutting and one-dimensional ultrasonic vibration cutting, the ultrasonic elliptical vibration cutting has the advantages of reducing cutting force, cutting temperature, cutter abrasion, burr generation, built-up edge, chatter vibration, cutting stability, surface roughness, machining precision, cutter service life and the like.
Many researchers have studied ultrasonic elliptical vibration processing. The research results have important significance on the aspects of improving the processing quality of the difficult-to-process material, prolonging the service life of the cutter and the like by ultrasonic elliptical vibration. However, there is still a certain gap in the study of ultrasonic elliptical vibration, which is mainly expressed in that: (1) in the past, the research on ultrasonic elliptical vibration milling and grinding is mostly to modify a main shaft or a tool shank, which can reduce the precision and the rigidity of a machine tool. (2) In the past, the ultrasonic elliptical vibration platform is mostly designed by using a double-excitation method to realize the compounding of two kinds of vibration, and the research of designing the ultrasonic elliptical vibration platform by using a single-excitation method is almost not available.
The design of two groups of piezoelectric ceramic stacks is adopted in the design of the double-excitation vibration platform, two vibration modes of longitudinal vibration, torsional vibration, bending vibration and radial vibration are adopted to generate ultrasonic elliptical vibration in a compounding mode, the design of the two groups of piezoelectric ceramic stacks can lead the size of the whole ultrasonic elliptical vibration platform to be increased, the structure is complex, two ultrasonic power signals are needed to excite, and the difficulty of ultrasonic power design is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the above-mentioned prior art, provide a single excitation two-dimensional supersound elliptical vibration processing platform device, realize can being used for the hard and brittle difficult processing material processing trade, can obviously improve hard and brittle material processingquality and promote its machining efficiency high.
In order to solve the technical problem, the utility model provides a single-excitation two-dimensional ultrasonic elliptical vibration processing platform device, which comprises an ultrasonic power supply, an ultrasonic transducer, a single-excitation two-dimensional ultrasonic elliptical vibration platform and a clamp; the ultrasonic power supply is connected with the ultrasonic transducer and generates an ultrasonic frequency electric signal; the ultrasonic transducer comprises an end cover, piezoelectric ceramics and an electrode plate, and converts an ultrasonic frequency electric signal into ultrasonic vibration; a workpiece is placed on the single-excitation two-dimensional ultrasonic elliptical vibration platform; the single-excitation two-dimensional ultrasonic elliptical vibration platform converts one-dimensional ultrasonic vibration into ultrasonic elliptical vibration to drive the workpiece to generate ultrasonic elliptical vibration; the clamp clamps the single-excitation two-dimensional ultrasonic elliptical vibration platform.
In a preferred embodiment, the ultrasonic transducer comprises a first electrode sheet, a second electrode sheet, a third electrode sheet and a fourth electrode sheet; the first electrode plate, the second electrode plate, the third electrode plate and the fourth electrode plate are arranged in sequence.
In a preferred embodiment, the ultrasonic transducer comprises a first piezoelectric ceramic, a second piezoelectric ceramic, a third piezoelectric ceramic and a fourth piezoelectric ceramic; the first piezoelectric ceramic, the second piezoelectric ceramic, the third piezoelectric ceramic and the fourth piezoelectric ceramic are sequentially arranged.
In a preferred embodiment, the first electrode plate, the first piezoelectric ceramic, the second electrode plate, the second piezoelectric ceramic, the third electrode plate, the third piezoelectric ceramic, the fourth piezoelectric ceramic and the fourth electrode plate are sequentially disposed.
In a preferred embodiment, the end cap is arranged on a surface of the first electrode plate, which faces away from the first piezoelectric ceramic; the first electrode plate, the first piezoelectric ceramic, the second electrode plate, the second piezoelectric ceramic, the third electrode plate, the third piezoelectric ceramic, the fourth piezoelectric ceramic and the fourth electrode plate of the end cover are fixed through stud bolts.
In a preferred embodiment, the second electrode plate and the fourth electrode plate are connected with the ultrasonic power supply.
In a preferred embodiment, the single-excitation two-dimensional ultrasonic elliptical vibration platform is provided with small hole groups.
In a preferred embodiment, a first limiting block and a second limiting block are respectively arranged on two sides of the single-excitation two-dimensional ultrasonic elliptical vibration platform; the clamp is provided with a first fixed block and a second fixed block which are respectively parallel to the first limiting block and the second limiting block along the vertical direction; the device also comprises a third fixed block and a fourth fixed block; the first fixed block, the first limiting block and the third fixed block are arranged in sequence and are parallel to each other; the second fixed block, the second limiting block and the fourth fixed block are arranged in sequence and are parallel to each other; the first fixing stud sequentially penetrates through the first fixing block and the third fixing block to tightly clamp the first limiting block; and a second fixing stud sequentially penetrates through the second fixing block and the fourth fixing block to lock and clamp the second limiting block.
Compared with the prior art, the technical scheme of the utility model possess following beneficial effect:
the utility model provides a single-excitation two-dimensional ultrasonic elliptical vibration processing platform device, which consists of four parts, namely an ultrasonic power supply, an ultrasonic transducer, a single-excitation two-dimensional ultrasonic elliptical processing platform and a clamp; the ultrasonic transducer comprises an end cover, piezoelectric ceramics, an electrode plate and a stud bolt; the device generates an ultrasonic frequency electric signal through an ultrasonic power supply, the ultrasonic frequency electric signal is converted into ultrasonic vibration through the conversion of an ultrasonic transducer, finally, the vibration mode conversion is carried out through a small hole group of a single-excitation two-dimensional ultrasonic elliptical vibration platform, finally, the right end of the single-excitation two-dimensional ultrasonic elliptical vibration platform is compounded to form elliptical vibration, and meanwhile, a workpiece on the right end is driven to generate elliptical vibration, so that the two-dimensional ultrasonic elliptical machining is realized. It has the following advantages: the whole set of device only needs a set of piezoelectric ceramic group, only needs power signal of the same way to encourage, simple structure, and the preparation is easy, and is with low costs to can be used for hard brittle difficult processing material processing industry, can obviously improve hard brittle material processingquality and extremely promote its machining efficiency, can also further expand the application and the popularization of single excitation supersound elliptical vibration in each field.
Drawings
Fig. 1 is a schematic top view of the single-excitation two-dimensional ultrasonic elliptical vibration processing platform device according to the preferred embodiment of the present invention;
FIG. 2 is a schematic view of the connection of the single-excitation two-dimensional ultrasonic elliptical vibration processing platform device according to the preferred embodiment of the present invention;
fig. 3 is a schematic connection diagram of an ultrasonic transducer of a single-excitation two-dimensional ultrasonic elliptical vibration processing platform device according to a preferred embodiment of the present invention;
fig. 4 is a schematic processing diagram of the whole device of the single-excitation two-dimensional ultrasonic elliptical vibration processing platform device in the preferred embodiment of the invention.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
A single-excitation two-dimensional ultrasonic elliptical vibration processing platform 20 device is disclosed, and referring to 4 in figure 1, and comprises an ultrasonic power supply 50, an ultrasonic transducer 40, a single-excitation two-dimensional ultrasonic elliptical vibration platform and a clamp 30; the ultrasonic power supply 50 is connected with the ultrasonic transducer 40 and generates an ultrasonic frequency electric signal; the ultrasonic transducer 40 comprises an end cover 44, piezoelectric ceramics 41 and an electrode plate 42, and converts an ultrasonic frequency electric signal into ultrasonic vibration; a workpiece 10 is placed on the single-excitation two-dimensional ultrasonic elliptical vibration platform; the single-excitation two-dimensional ultrasonic elliptical vibration platform converts one-dimensional ultrasonic vibration into ultrasonic elliptical vibration to drive the workpiece 10 to generate ultrasonic elliptical vibration; the clamp 30 clamps the single-excitation two-dimensional ultrasonic elliptical vibration platform. In particular, the ceramic sheet is specifically a PZT8 ceramic sheet. The ultrasonic power supply 50 is a device capable of converting a common electrical signal into a high-frequency processing alternating current corresponding to the transducer to drive the transducer to work, has a function of monitoring the power and the working frequency of a high-power ultrasonic system, and can adjust various parameters according to different user requirements: such as amplitude, power, run time, etc. The fixture 30 can stably fix the single-excitation ultrasonic elliptical vibration platform, so that the machining process is stable.
The ultrasonic transducer 40 includes a first electrode sheet, a second electrode sheet, a third electrode sheet, and a fourth electrode sheet; the first electrode plate, the second electrode plate, the third electrode plate and the fourth electrode plate are arranged in sequence.
The ultrasonic transducer 40 comprises a first piezoelectric ceramic, a second piezoelectric ceramic, a third piezoelectric ceramic and a fourth piezoelectric ceramic; the first piezoelectric ceramic, the second piezoelectric ceramic, the third piezoelectric ceramic and the fourth piezoelectric ceramic are sequentially arranged.
The first electrode plate, the first piezoelectric ceramic, the second electrode plate, the second piezoelectric ceramic, the third electrode plate, the third piezoelectric ceramic, the fourth piezoelectric ceramic and the fourth electrode plate are arranged in sequence.
The end cap 44 is arranged on the surface of the first electrode plate, which faces away from the first piezoelectric ceramic; the end cap 44 fixes the first electrode plate, the first piezoelectric ceramic, the second electrode plate, the second piezoelectric ceramic, the third electrode plate, the third piezoelectric ceramic, the fourth piezoelectric ceramic and the fourth electrode plate by the stud 43. The second electrode plate and the fourth electrode plate are connected to the ultrasonic power supply 50. And small hole groups are arranged on the single-excitation two-dimensional ultrasonic elliptical vibration platform.
The single-excitation two-dimensional ultrasonic elliptical vibration platform converts the ultrasonic vibration transmitted from the ultrasonic transducer 40 to the large end of the single-excitation two-dimensional ultrasonic elliptical vibration platform into a vibration mode through the small hole group on the single-excitation two-dimensional ultrasonic elliptical vibration platform, so that the transmitted longitudinal vibration can be converted into longitudinal and bending vibration, finally the right end of the single-excitation two-dimensional ultrasonic elliptical vibration platform is compounded to form ultrasonic elliptical vibration, and the right end workpiece 10 is driven to realize the ultrasonic elliptical vibration.
A first limiting block 21 and a second limiting block 22 are respectively arranged on two sides of the single-excitation two-dimensional ultrasonic elliptical vibration platform; the clamp 30 is provided with a first fixing block 31 and a second fixing block 32 which are respectively parallel to the first limiting block 21 and the second limiting block 22 in the vertical direction; the device also comprises a third fixed block 33 and a fourth fixed block 34; the first fixed block 31, the first limiting block 21 and the third fixed block 33 are arranged in sequence and are parallel to each other; the second fixing block 32, the second limiting block 22 and the fourth fixing block 34 are arranged in sequence and parallel to each other; the first fixing stud sequentially penetrates through the first fixing block 31 and the third fixing block 33 to tightly clamp the first limiting block 21; and a second fixing stud sequentially penetrates through the second fixing block 32 and the fourth fixing block 34 to tightly clamp the second limiting block 22. After the whole single-excitation two-dimensional ultrasonic elliptical vibration platform is built, the platform is locked on a machine tool workbench 70 through a clamp 30, at the moment, an ultrasonic power supply 50 is started, the whole device starts to work, and then a machine tool cutter 60 is used for machining the workpiece 10.
The use method of the single-excitation two-dimensional ultrasonic elliptical vibration machining platform 20 device comprises the following steps:
step (1): bonding a workpiece 10 to a single-excitation two-dimensional ultrasonic elliptical vibration machining platform 20;
step (2): assembling the ultrasonic transducer 40;
and (3): attaching an ultrasonic transducer 40 to the single-excitation two-dimensional ultrasonic elliptical vibration machining platform 20 using a stud 43;
and (4): clamping the single-excitation two-dimensional ultrasonic elliptical vibration machining platform 20 on a clamp 30;
and (5): locking the clamp 30 to the machine tool table 70;
and (6): connecting an ultrasonic power supply 50 with an electrode sheet 42 of the ultrasonic transducer 40;
and (7): turning on the ultrasonic power supply 50, transmitting an ultrasonic frequency electric signal into the ultrasonic transducer 40 by the ultrasonic power supply 50, converting the ultrasonic frequency electric signal into one-dimensional ultrasonic vibration and transmitting the one-dimensional ultrasonic vibration into the single-excitation two-dimensional ultrasonic elliptical vibration processing platform 20 by the conversion of the ultrasonic transducer 40, converting the one-dimensional ultrasonic vibration into two-dimensional ultrasonic elliptical vibration by the single-excitation two-dimensional ultrasonic elliptical vibration platform, and then driving the workpiece 10 to realize the two-dimensional ultrasonic elliptical vibration;
and (8): the ultrasonic power supply 50 is turned off and the entire apparatus stops operating.
In the design, the right end of the single-excitation two-dimensional ultrasonic elliptical vibration platform is compounded to form elliptical vibration, and meanwhile, the workpiece 10 on the right end is driven to generate elliptical vibration, so that the two-dimensional ultrasonic elliptical machining is realized. The single-excitation two-dimensional ultrasonic elliptical machining device has the advantages that the cutting force and the cutting temperature of hard and brittle materials can be obviously reduced, the abrasion of a cutter is reduced, the service life of the cutter is prolonged, the machining stability is ensured, the machining requirements of different machine tools can be met through the design of modifying the size of the clamp 30, and the like.
The invention provides a single-excitation two-dimensional ultrasonic elliptical vibration machining platform 20 device and a using method thereof, wherein the device consists of an ultrasonic power supply 50, an ultrasonic transducer 40, a single-excitation two-dimensional ultrasonic elliptical vibration machining platform and a clamp 30; the ultrasonic transducer 40 includes an end cap 44, a piezoelectric ceramic 41, an electrode sheet 42, and a stud bolt 43; the device generates an ultrasonic frequency electric signal through an ultrasonic power supply 50, converts the ultrasonic frequency electric signal into ultrasonic vibration through the conversion of an ultrasonic transducer 40, finally carries out vibration mode conversion through a small hole group of a single-excitation two-dimensional ultrasonic elliptical vibration platform, finally forms elliptical vibration at the right end of the single-excitation two-dimensional ultrasonic elliptical vibration platform in a compounding way, and simultaneously drives a workpiece 10 on the right end to generate elliptical vibration so as to realize two-dimensional ultrasonic elliptical processing. It has the following advantages: the whole set of device only needs a set of piezoceramics group, only needs power signal of the same kind to encourage, simple structure, and the preparation is easy, and is with low costs to can be used for hard and brittle difficult processing material processing trade, can obviously improve hard and brittle material processingquality and promote its machining efficiency extremely, can also further expand the application and the popularization of singly encouraging the oval vibration of supersound in each field.
Claims (8)
1. A single-excitation two-dimensional ultrasonic elliptical vibration processing platform device is characterized by comprising an ultrasonic power supply, an ultrasonic transducer, a single-excitation two-dimensional ultrasonic elliptical vibration platform and a clamp; the ultrasonic power supply is connected with the ultrasonic transducer and generates an ultrasonic frequency electric signal; the ultrasonic transducer comprises an end cover, piezoelectric ceramics and an electrode plate, and converts an ultrasonic frequency electric signal into ultrasonic vibration; a workpiece is placed on the single-excitation two-dimensional ultrasonic elliptical vibration platform; the single-excitation two-dimensional ultrasonic elliptical vibration platform converts one-dimensional ultrasonic vibration into ultrasonic elliptical vibration to drive the workpiece to generate ultrasonic elliptical vibration; the clamp clamps the single-excitation two-dimensional ultrasonic elliptical vibration platform.
2. The single-excitation two-dimensional ultrasonic elliptical vibration machining platform device of claim 1, characterized in that the ultrasonic transducer comprises a first electrode plate, a second electrode plate, a third electrode plate and a fourth electrode plate; the first electrode plate, the second electrode plate, the third electrode plate and the fourth electrode plate are arranged in sequence.
3. The single-excitation two-dimensional ultrasonic elliptical vibration processing platform apparatus as claimed in claim 2, wherein said ultrasonic transducer comprises a first piezoelectric ceramic, a second piezoelectric ceramic, a third piezoelectric ceramic and a fourth piezoelectric ceramic; the first piezoelectric ceramic, the second piezoelectric ceramic, the third piezoelectric ceramic and the fourth piezoelectric ceramic are arranged in sequence.
4. The single-excitation two-dimensional ultrasonic elliptical vibration machining platform device of claim 3, characterized in that a first electrode plate, a first piezoelectric ceramic, a second electrode plate, a second piezoelectric ceramic, a third electrode plate, a third piezoelectric ceramic, a fourth piezoelectric ceramic and a fourth electrode plate are arranged in sequence.
5. The single-excitation two-dimensional ultrasonic elliptical vibration machining platform device of claim 4, characterized in that the end cap is disposed on a side of the first electrode sheet facing away from the first piezoelectric ceramic; the first electrode plate, the first piezoelectric ceramic, the second electrode plate, the second piezoelectric ceramic, the third electrode plate, the third piezoelectric ceramic, the fourth piezoelectric ceramic and the fourth electrode plate of the end cover are fixed through stud bolts.
6. The single-excitation two-dimensional ultrasonic elliptical vibration machining platform device according to claim 5, characterized in that a second electrode plate and a fourth electrode plate are connected with the ultrasonic power supply.
7. The single-excitation two-dimensional ultrasonic elliptical vibration machining platform device according to claim 6, characterized in that small hole groups are arranged on the single-excitation two-dimensional ultrasonic elliptical vibration platform.
8. The single-excitation two-dimensional ultrasonic elliptical vibration machining platform device according to claim 7, characterized in that a first limiting block and a second limiting block are respectively arranged on two sides of the single-excitation two-dimensional ultrasonic elliptical vibration platform; the clamp is provided with a first fixing block and a second fixing block which are respectively parallel to the first limiting block and the second limiting block along the vertical direction; the device also comprises a third fixed block and a fourth fixed block; the first fixed block, the first limiting block and the third fixed block are arranged in sequence and are parallel to each other; the second fixed block, the second limiting block and the fourth fixed block are arranged in sequence and are parallel to each other; the first fixing stud sequentially penetrates through the first fixing block and the third fixing block to tightly clamp the first limiting block; and a second fixing stud sequentially penetrates through the second fixing block and the fourth fixing block to lock and clamp the second limiting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121457303.8U CN217512243U (en) | 2021-06-29 | 2021-06-29 | Single-excitation two-dimensional ultrasonic elliptical vibration machining platform device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121457303.8U CN217512243U (en) | 2021-06-29 | 2021-06-29 | Single-excitation two-dimensional ultrasonic elliptical vibration machining platform device |
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| CN217512243U true CN217512243U (en) | 2022-09-30 |
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| CN202121457303.8U Expired - Fee Related CN217512243U (en) | 2021-06-29 | 2021-06-29 | Single-excitation two-dimensional ultrasonic elliptical vibration machining platform device |
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2021
- 2021-06-29 CN CN202121457303.8U patent/CN217512243U/en not_active Expired - Fee Related
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