CN111906601B - Ultrasonic grinding and polishing system and method for rotor wing frame of unmanned aerial vehicle - Google Patents
Ultrasonic grinding and polishing system and method for rotor wing frame of unmanned aerial vehicle Download PDFInfo
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- CN111906601B CN111906601B CN202010854925.8A CN202010854925A CN111906601B CN 111906601 B CN111906601 B CN 111906601B CN 202010854925 A CN202010854925 A CN 202010854925A CN 111906601 B CN111906601 B CN 111906601B
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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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/10—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
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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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/12—Accessories; Protective equipment or safety devices; Installations for exhaustion of dust or for sound absorption specially adapted for machines covered by group B24B31/00
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention provides an ultrasonic grinding and polishing system of an unmanned aerial vehicle rotor wing frame, which is provided with a clamping device for clamping the unmanned aerial vehicle rotor wing frame; the flexible polishing bag is a sealed bag body, liquid can be filled in the bag body, flexible deformation is generated under the filling of the liquid, and the bag body is tightly attached to the inner wall of the rotor wing frame of the unmanned aerial vehicle for grinding and polishing; and the amplifying vibration rod is connected to the electroacoustic vibration transducer, amplifies the ultrasonic vibration of the electroacoustic vibration transducer and transmits the amplified ultrasonic vibration to liquid, and drives the flexible polishing bag to carry out ultrasonic vibration polishing. The grinding and polishing device can effectively adapt to the complex structure of the rotor wing frame, so that the polishing is accurate and rapid, and the requirements on the processing efficiency and the surface quality of the rotor wing frame of the unmanned aerial vehicle are met.
Description
Technical Field
The invention belongs to the field of unmanned aerial vehicle accessory manufacturing, and particularly relates to an ultrasonic grinding and polishing system and method for a rotor wing frame of an unmanned aerial vehicle.
Background
Along with the development of economy to and the breakthrough of unmanned aerial vehicle technique, the society is bigger and bigger to unmanned aerial vehicle's demand, also higher and higher to unmanned aerial vehicle's requirement, not only need constantly to extend unmanned aerial vehicle's function and usage, still need unmanned aerial vehicle's performance and efficiency more stable, more high-efficient. The manufacturing accuracy of unmanned aerial vehicle rotor is the key of unmanned aerial vehicle accurate flight and accurate control, and the miniaturization of unmanned aerial vehicle rotor has proposed stricter requirement to processingquality, machining precision and machining efficiency. Unmanned aerial vehicle rotor device usually includes rotary disk part, moment of torsion slide bar part, oar wing, through installing rotary disk part, moment of torsion slide bar part, oar wing in the rotor frame to be connected with driving system through the rotor frame, realize the transmission and the control of power. The rotor wing frame is a key component for installing the rotor wing and transmitting power, the manufacturing precision of the rotor wing frame is an important ring for influencing the flight precision and stability of the unmanned aerial vehicle, if the size of the inner wall of the rotor wing frame is not manufactured according to the specified size, the gap is too small, friction loss is generated in the rotating process of the rotor wing, and if the size is not controlled, the service life of parts is shortened; too big in clearance, the working process can have the rotor to sway unstable defect, causes unmanned aerial vehicle flight precision poor, problem that control performance is low.
The rotor frame is owing to need installation rotary disk part, moment of torsion slide bar part, oar wing and power transmission part, and the installation is used on unmanned aerial vehicle, and the structure is complicated, and the size is less, is difficult to polish drilling processing, but unmanned aerial vehicle does the requirement extremely high to the machining precision of this part. Consequently, the mode of sand casting or pouring is mainly adopted to present production and processing to rotor frame, though can effectively guarantee its size, the rotor frame inner wall of nevertheless production is coarse, and frictional resistance is big, often influences the assembly precision of rotor frame and other parts, causes unmanned aerial vehicle's performance not high. The fine machining processes such as grinding and polishing can effectively meet the requirements of machining precision, finish degree and surface integrity of specific products, but the requirements of the rotor wing frame with a complex structure cannot be effectively ground and polished, steps, corners and the like on the inner wall of the rotor wing frame cannot be effectively ground and polished, and great difficulty is brought to the machining of the rotor wing frame.
Under this background, need urgently to provide a system and method of polishing and burnishing by ultrasound that can effectively process unmanned aerial vehicle rotor frame to above-mentioned problem, impel it to satisfy the society to the requirement of unmanned aerial vehicle performance.
In recent years, ultrasonic vibration cutting has been successful in various fields, such as excircle machining, plane machining, hole machining, plastic machining and the like, and as a novel finishing method, ultrasonic vibration cutting has achieved a good effect in overcoming difficult-to-machine materials and difficult-to-machine positions, so that the ultrasonic vibration cutting has been recognized and approved more and has a better application range.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides an ultrasonic grinding and polishing system and method for an unmanned aerial vehicle rotor wing frame.
An ultrasonic grinding and polishing system of an unmanned aerial vehicle rotor wing frame comprises a base, a clamping device, a liquid storage tank, a liquid filling device, an ultrasonic generator, an electroacoustic vibration transducer, an amplitude vibration rod and a flexible polishing bag; the clamping device, the liquid storage tank, the liquid filling device and the ultrasonic generator are arranged on the base; the clamping device is used for clamping the rotor wing frame of the unmanned aerial vehicle; the liquid filling device fills the liquid in the liquid storage tank into the flexible polishing capsule body through a filling hole;
the flexible polishing bag is a sealed bag body, liquid can be filled in the bag body, flexible deformation is generated under the filling of the liquid, and the bag body is tightly attached to the inner wall of the rotor wing frame of the unmanned aerial vehicle for grinding and polishing;
the electroacoustic vibration transducer is connected to the ultrasonic generator and is arranged in the flexible polishing bag body, the amplification vibration rod is connected to the electroacoustic vibration transducer, the ultrasonic vibration of the electroacoustic vibration transducer is amplified and transmitted to liquid, and the flexible polishing bag is driven to carry out ultrasonic vibration polishing. The technical problems that in the prior art, a complex structure cannot be effectively polished, the polishing force of liquid abrasive particles is not large enough, and effective polishing cannot be realized are solved.
Preferably, the outer surface of the capsule body of the flexible polishing capsule is provided with a flexible polishing layer, and the flexible polishing capsule grinds and polishes the unmanned aerial vehicle rotor wing frame through the flexible polishing layer.
Preferably, the electroacoustic vibration transducer is provided with a plurality of amplifying vibration rods which can be opened and closed respectively, and the amplifying vibration rods are uniformly arranged on the electroacoustic vibration transducer and extend along the interior of the flexible polishing bag.
Preferably, the electroacoustic vibration transducer is movably or rotatably connected to the ultrasonic generator and is arranged inside the flexible polishing capsule body.
Preferably, the electroacoustic vibration transducer is a magnetostrictive ultrasonic vibration transducer or a piezoelectric ceramic vibration transducer.
Preferably, the amplitude-increasing vibration rod adopts a step-shaped structure, the step-shaped amplitude-increasing vibration rod can effectively reduce the area of a part, has large amplitude, has a prominent amplitude-increasing effect, and effectively improves the grinding and polishing efficiency.
Preferably, the amplification vibrating rod is made of aluminum, titanium alloy or steel, and has the characteristics of small vibration energy consumption coefficient, low price and easiness in processing.
Preferably, the flexible polishing bag is internally provided with a pressure sensor for detecting the pressure of liquid filled in the bag body.
Preferably, the flexible polishing bag is made of any one of rubber, sheepskin, woven nylon cloth and polyamide.
Preferably, the flexible polishing layer is a polyurethane polishing layer, and the polyurethane polishing layer is formed by mixing and curing trifunctional isocyanate, a curing agent composition and a hollow microsphere polymer; the polyurethane polishing layer has a Shore D hardness of 46-54D.
Preferably, the flexible polishing layer is filled with metal polishing particles, and the metal polishing particles are at least any one of cerium dioxide, zirconium oxide, aluminum oxide, titanium dioxide, manganese oxide and magnesium oxide; the diameter of the metal polishing particle is 10nm to 300 nm.
The ultrasonic grinding and polishing method of the rotor wing frame of the unmanned aerial vehicle comprises the following steps:
a, clamping and fixing a rotor wing frame of an unmanned aerial vehicle on a clamping device;
b, placing the flexible polishing bag into the rotor wing frame of the unmanned aerial vehicle;
c, opening the liquid filling device, filling liquid in the liquid storage tank into the flexible polishing bag body through the filling hole by the liquid filling device, wherein the flexible polishing bag generates flexible deformation under the filling of the liquid and is tightly attached to the inner wall of the unmanned aerial vehicle rotor wing frame;
d, detecting the pressure of the liquid filled in the bag body by using a pressure sensor in the flexible polishing bag, adjusting the pressure to a predicted pressure value, and stopping filling the liquid;
and e, opening the ultrasonic generator, enabling the ultrasonic generator to generate ultrasonic waves, exciting the electric-acoustic vibration transducer to convert the ultrasonic vibration into ultrasonic vibration, driving liquid by the electric-acoustic vibration transducer to generate high-frequency ultrasonic vibration, and driving the flexible polishing bag to vibrate by the liquid vibration, so that the flexible polishing layer on the outer surface of the flexible polishing bag vibrates, and the unmanned aerial vehicle rotor wing frame is polished.
Preferably, the electroacoustic vibration transducer in the step e drives the liquid to generate the high-frequency ultrasonic vibration specifically includes that a plurality of amplification vibration rods capable of being opened and closed respectively are arranged on the electroacoustic vibration transducer, the amplification vibration rods are uniformly arranged on the electroacoustic vibration transducer and extend along the interior of the flexible polishing bag, the plurality of amplification vibration rods can be opened and closed respectively by being controlled by a controller, and accordingly, when different parts of the rotor wing frame of the unmanned aerial vehicle are ground and polished, the designated positions are ground and polished in a targeted manner.
Preferably, the electroacoustic vibration transducer in the step e drives the liquid to generate the high-frequency ultrasonic vibration specifically includes that the electroacoustic vibration transducer is movably or rotatably connected to the ultrasonic generator, and when different parts of the rotor wing frame of the unmanned aerial vehicle need to be ground and polished, the electroacoustic vibration transducer is movably or rotatably close to the parts, and the parts are ground and polished in a targeted manner.
Due to the adoption of the technical scheme, the invention has the following advantages: according to the ultrasonic grinding and polishing system for the rotor wing frame of the unmanned aerial vehicle, disclosed by the invention, the rotor wing frame of the unmanned aerial vehicle is polished by using the ultrasonic grinding and polishing system, the advantages of ultrasonic grinding and polishing can be effectively utilized, the processing procedure is optimized, the control of a grinding cutter is reduced, the grinding and polishing processing efficiency is improved, the polishing is uniform and rapid, the processing efficiency and the surface quality of fine polishing of the rotor wing frame of the unmanned aerial vehicle are improved, and the technical problems that the complex structure cannot be effectively ground and polished, the grinding and polishing force of liquid abrasive particles is not large enough, and the grinding and polishing cannot be effectively carried out in the prior art are solved.
2, the ultrasonic grinding and polishing system of the rotor wing frame of the unmanned aerial vehicle can respectively control the opening and closing of the amplification vibrating rods on the electroacoustic vibration transducer, realizes that grinding and polishing can be carried out on different parts of the rotor wing frame of the unmanned aerial vehicle in a targeted manner, has high conversion rate between mechanical energy and electric energy, is easy to process various shapes, is easy to adjust, has long service life, is stable to use, has wide application range and wide frequency range, and can process thin and complex-structure parts.
The ultrasonic grinding and polishing system of the rotor wing frame of the unmanned aerial vehicle can be movably or rotatably arranged in the flexible polishing bag capsule body through the electroacoustic vibration transducer, so that different parts of the rotor wing frame of the unmanned aerial vehicle can be pertinently approached, the vibration of the amplifying vibrating rod to the position is increased, grinding and polishing with different forces can be performed on different positions, various shapes can be easily processed, the adjustment is easy, and the processing precision of the rotor wing frame of the unmanned aerial vehicle is met.
4, the ultrasonic grinding and polishing system of the rotor wing frame of the unmanned aerial vehicle can control the expansion pressure of the flexible polishing bag by filling liquid with different volumes into the flexible polishing bag, so that the friction force between the flexible polishing layer and the rotor wing frame of the unmanned aerial vehicle is controlled, grinding and polishing with different forces on the rotor wing frame of the unmanned aerial vehicle are realized, the grinding and polishing processing efficiency is improved, the polishing is uniform and rapid, and the fine polishing processing efficiency of the rotor wing frame of the unmanned aerial vehicle is improved.
According to the ultrasonic grinding and polishing system of the unmanned aerial vehicle rotor wing frame, the flexible polishing layer structure is arranged on the outer surface of the flexible polishing bag, the flexible polishing layer is a polyurethane polishing layer, and abrasive particles are filled on the polyurethane polishing layer, so that the grinding and polishing speed and quality can be effectively improved, the grinding and polishing defects such as scratches and pores are reduced, and the precision polishing processing efficiency and the surface quality of the unmanned aerial vehicle rotor wing frame are improved.
Drawings
Fig. 1 is a schematic structural view of an ultrasonic grinding and polishing system of a rotor wing frame of an unmanned aerial vehicle.
Fig. 2 is a schematic view of the layout of the electroacoustic vibration transducer and the amplifying vibration rod of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, an ultrasonic grinding and polishing system for a rotor wing frame of an unmanned aerial vehicle is characterized by comprising a base 1, a clamping device 2, a liquid storage tank 3, a liquid filling device 4, an ultrasonic generator 5, an electroacoustic vibration transducer 6, an amplitude-increasing vibrating rod 8 and a flexible polishing bag 7; wherein, the clamping device 2, the liquid storage tank 3, the liquid filling device 4 and the ultrasonic generator 5 are arranged on the base 1; the clamping device 2 is used for clamping the unmanned aerial vehicle rotor wing frame 9; the liquid filling device 4 fills the liquid in the liquid storage tank 3 into the capsule body of the flexible polishing capsule 7 through the filling hole, the ultrasonic generator 5 is connected with the electroacoustic vibration transducer 6, the electroacoustic vibration transducer 6 transmits vibration energy to the amplitude vibration rod 8, and the amplitude vibration rod 8 drives the liquid to vibrate ultrasonically; the flexible polishing bag 7 is a sealed bag body, liquid can be filled in the bag body, a flexible polishing layer is arranged on the outer surface of the bag body, and the flexible polishing bag can generate flexible deformation under the filling of the liquid and is tightly attached to the inner wall of the rotor wing frame of the unmanned aerial vehicle; the electroacoustic vibration transducer is connected to the ultrasonic generator and arranged inside the flexible polishing bag body, a plurality of amplification vibration rods capable of being opened and closed respectively are arranged on the electroacoustic vibration transducer, the amplification vibration rods are uniformly arranged on the electroacoustic vibration transducer and extend along the interior of the flexible polishing bag body, the opening and closing of the amplification vibration rods can be controlled respectively through a controller, the electroacoustic vibration transducer is movably or rotatably connected to the ultrasonic generator and arranged inside the flexible polishing bag body, and when different parts of a rotor wing frame of the unmanned aerial vehicle are ground and polished, the designated positions are ground and polished in a targeted manner; the flexible polishing bag is internally provided with a pressure sensor for detecting the pressure of liquid filled in the bag body.
When the unmanned aerial vehicle rotor wing frame needs to be ground and polished, the unmanned aerial vehicle rotor wing frame is clamped and fixed on a clamping device, and a flexible polishing bag is placed inside the unmanned aerial vehicle rotor wing frame; opening the liquid filling device, filling liquid in the liquid storage tank into the flexible polishing bag body through the filling hole by the liquid filling device, wherein the flexible polishing bag generates flexible deformation under the filling of the liquid and is tightly attached to the inner wall of the rotor wing frame of the unmanned aerial vehicle; detecting the pressure of liquid filled in the bag body by using a pressure sensor in the flexible polishing bag, adjusting the pressure to a predicted pressure value, and stopping filling the liquid; open ultrasonic generator, make ultrasonic generator produce the supersound to the electricity acoustic vibration transducer that arouses converts ultrasonic vibration into, and electroacoustic vibration transducer drive liquid produces high frequency ultrasonic vibration, and liquid vibration drives the vibration of flexible polishing bag, thereby impels the vibration of the flexible polishing layer of flexible polishing bag surface, realizes polishing the unmanned aerial vehicle rotor frame. The technical problems that in the prior art, a complex structure cannot be effectively polished, the polishing force of liquid abrasive particles is not large enough, and effective polishing cannot be realized are solved.
Further, the electroacoustic vibration transducer may be a magnetostrictive ultrasonic vibration transducer, a piezoelectric ceramic vibration transducer.
Furthermore, the amplitude-increasing vibration rod adopts a step-shaped structure, can effectively reduce the area of a part, has large amplitude, has a prominent amplitude-increasing effect, and effectively improves the grinding and polishing efficiency. The amplitude-increasing vibrating rod is made of aluminum, titanium alloy or steel, and has the characteristics of small vibration energy consumption coefficient, low price and easiness in processing.
Further, the flexible polishing bag is made of any one of rubber, sheepskin, woven nylon cloth and polyamide.
Further, the flexible polishing layer is a polyurethane polishing layer, and the polyurethane polishing layer is formed by mixing and curing trifunctional isocyanate, a curing agent composition and a hollow microsphere polymer. The polyurethane polishing layer has a Shore D hardness of 45-75D, preferably a hardness of 55-70D, and most preferably a hardness of 55-65D.
Further, the flexible polishing layer is filled with metal polishing particles, and the metal polishing particles are at least any one of cerium dioxide, zirconium oxide, aluminum oxide, titanium dioxide, manganese oxide and magnesium oxide. The diameter of the metal polishing particle is 10nm to 300 nm.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (12)
1. An ultrasonic grinding and polishing system of an unmanned aerial vehicle rotor wing frame is characterized by comprising a base, a clamping device, a liquid storage tank, a liquid filling device, an ultrasonic generator, an electroacoustic vibration transducer, an amplitude vibration rod and a flexible polishing bag; the clamping device, the liquid storage tank, the liquid filling device and the ultrasonic generator are arranged on the base; the clamping device is used for clamping the rotor wing frame of the unmanned aerial vehicle; the liquid filling device fills the liquid in the liquid storage tank into the flexible polishing capsule body through a filling hole;
the flexible polishing bag is a sealed bag body, liquid can be filled in the bag body, flexible deformation is generated under the filling of the liquid, and the bag body is tightly attached to the inner wall of the rotor wing frame of the unmanned aerial vehicle for grinding and polishing;
the electroacoustic vibration transducer is connected to the ultrasonic generator and is arranged in the flexible polishing bag body, the amplification vibration rod is connected to the electroacoustic vibration transducer, the ultrasonic vibration of the electroacoustic vibration transducer is amplified and transmitted to liquid, and the flexible polishing bag is driven to carry out ultrasonic vibration polishing;
the electroacoustic vibration transducer is movably or rotationally connected to the ultrasonic generator and is arranged inside the flexible polishing capsule body;
the electroacoustic vibration transducer is provided with a plurality of amplifying vibration rods which can be opened and closed respectively, and the amplifying vibration rods are uniformly arranged on the electroacoustic vibration transducer and extend along the interior of the flexible polishing bag.
2. The ultrasonic burnishing system of an unmanned aerial vehicle rotor frame of claim 1, wherein the flexible burnishing bag has a flexible burnishing layer on an outer surface of a bag body, and the flexible burnishing bag burnishes the unmanned aerial vehicle rotor frame through the flexible burnishing layer.
3. The ultrasonic burnishing system of an unmanned aerial vehicle rotor frame of claim 1, wherein the electroacoustic transducer is a magnetostrictive ultrasonic transducer or a piezoelectric ceramic transducer.
4. The ultrasonic polishing system of an unmanned aerial vehicle rotor frame of claim 1, wherein the amplification vibratory rod is of a stepped structure.
5. The ultrasonic polishing system of an unmanned aerial vehicle rotor frame of claim 1, wherein the amplification vibration rod is made of aluminum, titanium alloy or steel.
6. The ultrasonic burnishing system of an unmanned aerial vehicle rotor frame of any one of claims 1 to 5, wherein the flexible burnishing capsule has a pressure sensor inside for detecting the pressure of liquid filled in the capsule.
7. The ultrasonic burnishing system of an unmanned aerial vehicle rotor frame of claim 1, wherein the flexible burnishing bag is formed from any one of rubber, sheepskin, woven nylon cloth, and polyamide.
8. The ultrasonic polishing system of a rotor frame of an unmanned aerial vehicle of claim 2, wherein the flexible polishing layer is a polyurethane polishing layer formed by mixing and curing a trifunctional isocyanate, a curing agent composition and a hollow microsphere polymer; the polyurethane polishing layer has a Shore D hardness of 46-54D.
9. The ultrasonic polishing system of an unmanned aerial vehicle rotor frame of claim 2, wherein the flexible polishing layer is filled with metal polishing particles, and the metal polishing particles are at least any one of cerium dioxide, zirconium oxide, aluminum oxide, titanium dioxide, manganese oxide and magnesium oxide; the diameter of the metal polishing particle is 10nm to 300 nm.
10. An ultrasonic grinding and polishing method of an unmanned aerial vehicle rotor wing frame, which adopts the ultrasonic grinding and polishing system of the unmanned aerial vehicle rotor wing frame of any one of claims 1-9 to carry out grinding and polishing, and is characterized in that: the method comprises the following steps:
a, clamping and fixing a rotor wing frame of an unmanned aerial vehicle on a clamping device;
b, placing the flexible polishing bag into the rotor wing frame of the unmanned aerial vehicle;
c, opening the liquid filling device, filling liquid in the liquid storage tank into the flexible polishing bag body through the filling hole by the liquid filling device, wherein the flexible polishing bag generates flexible deformation under the filling of the liquid and is tightly attached to the inner wall of the unmanned aerial vehicle rotor wing frame;
d, detecting the pressure of the liquid filled in the bag body by using a pressure sensor in the flexible polishing bag, adjusting the pressure to a predicted pressure value, and stopping filling the liquid;
and e, opening the ultrasonic generator, enabling the ultrasonic generator to generate ultrasonic waves, exciting the electric-acoustic vibration transducer to convert the ultrasonic vibration into ultrasonic vibration, driving liquid by the electric-acoustic vibration transducer to generate high-frequency ultrasonic vibration, and driving the flexible polishing bag to vibrate by the liquid vibration, so that the flexible polishing layer on the outer surface of the flexible polishing bag vibrates, and the unmanned aerial vehicle rotor wing frame is polished.
11. The ultrasonic polishing method of the rotor frame of the unmanned aerial vehicle according to claim 10, wherein the electroacoustic vibration transducer in step e drives the liquid to generate high-frequency ultrasonic vibration, specifically, the electroacoustic vibration transducer is provided with a plurality of amplification vibration rods which can be opened and closed respectively, the amplification vibration rods are uniformly arranged on the electroacoustic vibration transducer and extend along the interior of the flexible polishing bag, and the plurality of amplification vibration rods can be opened and closed respectively by the controller, so that when different parts of the rotor frame of the unmanned aerial vehicle are polished, designated positions can be polished in a targeted manner.
12. The method of claim 10, wherein the electroacoustic vibration transducer of step e drives the liquid to generate high frequency ultrasonic vibrations, and wherein the electroacoustic vibration transducer is movably or rotatably connected to the ultrasonic generator, and when different portions of the rotor frame of the unmanned aerial vehicle are required to be polished, the electroacoustic vibration transducer is movably or rotatably close to the portions, and the portions are polished in a targeted manner.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108214116A (en) * | 2018-01-22 | 2018-06-29 | 集美大学 | A kind of ultrasonic vibration polishing processing device |
| CN210997850U (en) * | 2019-11-12 | 2020-07-14 | 成都铝行家科技有限公司 | Round tube type aluminum profile inner hole polishing rod and automatic polishing device thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06226612A (en) * | 1993-01-28 | 1994-08-16 | Toshiba Corp | Polishing tool |
| CN101249620A (en) * | 2008-04-03 | 2008-08-27 | 广东工业大学 | Rotating ultrasonic chief axis straight thread and conicity composite locating |
| CN104786110B (en) * | 2014-01-20 | 2017-07-18 | 浙江大学 | It is a kind of to vibrate high-speed grinding device towards the axial ultrasonic that miniature bearing inner circle is finished |
| CN205342683U (en) * | 2016-01-15 | 2016-06-29 | 辽宁科技大学 | Multistation hard brittle material surface grinding device |
| CN106670899B (en) * | 2016-10-28 | 2019-03-15 | 中国电子科技集团公司第五十四研究所 | A kind of gasbag-type electrochemical mechanical polishing head, burnishing device and polishing method |
| CN207223678U (en) * | 2017-09-19 | 2018-04-13 | 成都睿坤科技有限公司 | A kind of air bag polishing machine for ensureing to polish precision |
| CN108838856A (en) * | 2018-06-26 | 2018-11-20 | 李荣旭 | A kind of easy to operate aircraft frame processing polissoir and polishing method |
-
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108214116A (en) * | 2018-01-22 | 2018-06-29 | 集美大学 | A kind of ultrasonic vibration polishing processing device |
| CN210997850U (en) * | 2019-11-12 | 2020-07-14 | 成都铝行家科技有限公司 | Round tube type aluminum profile inner hole polishing rod and automatic polishing device thereof |
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