CN104034552B - A kind of ultrasonic wave added rock sampler and method - Google Patents
A kind of ultrasonic wave added rock sampler and method Download PDFInfo
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- CN104034552B CN104034552B CN201410301083.8A CN201410301083A CN104034552B CN 104034552 B CN104034552 B CN 104034552B CN 201410301083 A CN201410301083 A CN 201410301083A CN 104034552 B CN104034552 B CN 104034552B
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Abstract
The present invention proposes a kind of ultrasonic wave added rock sampler and method.This device comprises bracing frame, ultrasonic vibration system, sampling instrument and pneumatic element, ultrasonic vibration system is fixed on the Z-direction transfer table of bracing frame by fixture, pneumatic element is fixed on the center of XY to transfer table of bracing frame, the dither of rock sampling instrument at vertical direction is realized by ultrasonic vibration system, the flexible vertical adopting pneumatic element to realize objective table and processed rock sample moves up and down, thus enables the flexible micro-pressure contact condition that rock surface and dither sampling instrument end keep stable.The present invention both strengthens SiC lapping liquid to the grinding efficiency of rock surface by the ultrasonic vibration of instrument, can keep suitable grinding force again, thus realizes stable, efficient ultrasonic wave added rock sampling process.
Description
Technical field
The invention belongs to the technical field of the sampling of the experiment of microsize hard brittle material or test samples, particularly relate to a kind of ultrasonic wave added rock sampler and method.
Background technology
In the research work of field of earth sciences, High Temperature High Pressure petrology often needs from large rock specimens, obtain various minute sized rock sample when testing or carry out physics, chemical property detection to rock under high-temperature and high-pressure conditions, the shape of rock sample is generally short cylindrical shape or cuboid, and size (diameter or the length of side) is less than 5mm usually.The quality of prepared rock sample will directly affect the accuracy of experimental result.
At present, rock sampler conventional in laboratory is mainly converted by small-size bench drill, by the rotary grinding motion of chisel bit, grinding sampling processing is carried out to rock sample, but this sampler is only applicable to drill through columned sample, and the sample of cuboid cannot be drilled through.In addition, because most rock has obvious fragility, and chisel bit manually realizes to lower feeding mainly through operating personnel in grinding process, make rock sample broken if speed of feed is affectedly bashful bad meeting, the rock sample surface integrity got is poor and sampling efficiency is lower, the method requires higher to the operant level of operator and operating experience simultaneously, makes the operation easier of rock sampling craft larger.Therefore, develop and a kind ofly high-level efficiency can obtain complete microsize rock sample and the rock sampler of processing ease and corresponding rock sampling method become one of urgent need to solve the problem.
Ultrasonic wave added shaping by stock removal processing technology is a kind of special process method of carrying out efficient formed machining towards the fragility such as rock, glass difficult-to-machine material.Common ultrasonic wave added shaping by stock removal job operation mainly comprises the methods such as ultrasonic wave added drilling, grinding, turning and milling.In ultrasonic wave added shaping by stock removal process, ultrasonic system produces high-frequency mechanical vibration by ultrasonic-frequency power supply, ultrasonic transducer and ultrasonic amplitude transformer and the amplitude of vibration is increased, pass to machining tool, make it produce high-frequency resonant, thus realize ultrasonic wave added process.
Ultrasonic vibration aided grinding processing technology and rock sampling process being combined is a kind of effective ways improving rock sampling efficiency and sampling quality, but how also also exist the same with routine sampling technique realizes ultrasonic sampling equipment rationally to a difficult problem for lower feeding.Due to the anisotropy of performances of rock, constant speed of feed (electric feeding) or uneven speed of feed (hand feed) all likely cause the destruction of rock sample, and therefore research and development can realize the difficult point that the ultrasonic wave added rock sampler of flexible feeding and sampling craft thereof are research at present.
Summary of the invention
Technical matters to be solved by this invention is for above-mentioned Problems existing, a kind of ultrasonic wave added rock sampler and method are provided, enable the flexible micro-pressure contact condition that rock surface and dither sampling instrument end keep stable, both the ultrasonic vibration by instrument strengthens SiC lapping liquid to the grinding efficiency of rock surface, suitable grinding force can be kept again, thus realize stable, efficient ultrasonic wave added rock sampling process.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of ultrasonic wave added rock sampler, it is characterized in that, comprise bracing frame, ultrasonic vibration system, sampling instrument and pneumatic element, described bracing frame comprises base, Z-direction transfer table and XY to transfer table, XY is fixed on the center of base top surface to transfer table, Z-direction transfer table is fixed on base top surface, is disposed adjacent to transfer table with XY; Described ultrasonic vibration system is fixed on the Z-direction transfer table of bracing frame by fixture, wind on Z-direction transfer table drives fixture in the vertical direction to move, ultrasonic vibration system is connected with described sampling instrument, drives sampling instrument to realize dither at vertical direction; Described pneumatic element is fixed on the center of XY to transfer table of bracing frame, and pneumatic element is connected with objective table, drives objective table to move up and down in the flexibility of vertical direction.
By such scheme, described ultrasonic vibration system comprises ultrasonic transducer, ultrasonic amplitude transformer and ultrasonic-frequency power supply, ultrasonic transducer top is connected with ultrasonic-frequency power supply, bottom centre position connects ultrasonic amplitude transformer by studs, ultrasonic amplitude transformer adopts with sampling instrument and is threaded, and ultrasonic transducer is fixed on the Z-direction transfer table of bracing frame by fixture.
By such scheme, the lower end of described sampling instrument is the circle of hollow or square tubular structure, and thickness of pipe is 0.5mm ~ 1mm, and sampling instrument upper end is that helicitic texture is connected with the end of ultrasonic amplitude transformer, and the material of sampling instrument is stainless steel.
By such scheme, described pneumatic element comprises cylinder and pneumatic system, and described cylinder is double acting compact cylinder, and cylinder is vertically fixed on the center of XY to transfer table, and the piston rod in cylinder adopts with the lower surface center of objective table and is threaded; Described pneumatic system connects cylinder, for cylinder provides adjustable air pressure.
By such scheme, described pneumatic system comprises pneumatic triple piece, source of the gas, solenoid valve and one-way throttle valve, source outlet connects pneumatic triple piece import by pipeline, pneumatic triple piece outlet is by the import of pipeline connected electromagnetic valve, two outlets of solenoid valve connect an one-way throttle valve import respectively, and the outlet of two one-way throttle valves is connected with the both ends open up and down of cylinder respectively by pipeline.
By such scheme, the upper surface of described objective table is installed on backing plate, and workpiece installed by backing plate, and objective table is also installed on up stroke stop means.
By such scheme, described solenoid valve is two five-way electromagnetic valves.
By such scheme, be fixed with bolts between described Z-direction transfer table and base, two right-angle sides of reinforcement are bolted with base top surface and the Z-direction transfer table back side respectively.
By such scheme, described base bottom corner is provided with rubber pin, is fixed with bolts between rubber pin and base.
Adopt the method for above-mentioned a kind of ultrasonic wave added rock sampler, it is characterized in that, described workpiece is fixed on together with backing plate the center of objective table, regulate XY to make workpiece be in rational sample position in the horizontal direction to transfer table; Open source of the gas, one-way throttle valve, two five-way electromagnetic valves and pneumatic triple piece is regulated to provide suitable air pressure for cylinder, make objective table under the promotion of cylinder, move to the up stroke stop means place of objective table reposefully straight up, the distance between this position and cylinder piston range is greater than the sampling thickness of workpiece; By the wind of Z-direction transfer table, fixture is moved to correct position, make the end of sampling instrument move to 0.8mm ~ 1mm place above workpiece, locking wind, makes the Z-direction position of sampling instrument fix; Opening ultrasonic-frequency power supply makes sampling instrument produce the high-frequency resonant of vertical direction; Open the up stroke stop means of objective table, workpiece slowly moves straight up and contacts with the sampling instrument end just in ultrasonic vibration under the promotion of cylinder, sampling instrument end is made to produce high-frequency percussion to the upper surface of workpiece, continue to add a small amount of SiC lapping liquid at the shock zone place of sampling instrument and surface of the work, strengthened the ablation of SiC abrasive grains by the dither of sampling instrument; Along with sampling instrument and SiC abrasive particle are to the lasting ablation of rock surface, workpiece continues slowly to rise under the promotion of cylinder, until sampling instrument passes workpiece and comes in contact with backing plate; Regulate two five-way electromagnetic valves to make airflow-reversing, workpiece moves straight down along with the piston of cylinder does, and departs from sampling instrument; Keep the dither of sampling instrument, the rock sample obtained naturally will come off in sampling instrument, can complete whole rock sampling process.
The invention has the beneficial effects as follows: to improve in lapping liquid abrasive grains to the grinding efficiency of rock surface by the dither of ultrasonic sampling instrument, and realize the automatic flexible feeding between rock sample and hollow sampling instrument by the support of cylinder, thus improve rock and detect the grinding sampling efficiency of sample and ensure that institute obtains the integrality of sample, the operation easier of reduction rock sampling process.
Accompanying drawing explanation
Fig. 1 is the front elevation of one embodiment of the invention.
Fig. 2 is the left view of one embodiment of the invention.
Fig. 3 is the shaft side figure of one embodiment of the invention.
Fig. 4 is the circuit diagram of the pneumatic element of one embodiment of the invention.
Wherein: 1-rubber pin, 2-base, 3-XY is to transfer table, 4-Z to transfer table, 5-fixture, 6-ultrasonic transducer, 7-ultrasonic amplitude transformer, 8-sampling instrument, 9-workpiece, 10-backing plate, 11-objective table, 12-cylinder, 13-reinforcement, 14-ultrasonic-frequency power supply, 15-one-way throttle valve, 16-two five-way electromagnetic valves, 17-pneumatic triple piece, 18-source of the gas.
Embodiment
For understanding the present invention better, below in conjunction with drawings and Examples, the invention will be further described.
As Fig. 1, 2, shown in 3, a kind of ultrasonic wave added rock sampler, comprise bracing frame, ultrasonic vibration system, sampling instrument 8 and pneumatic element, bracing frame comprises base 2, Z-direction transfer table 4 and XY are to transfer table 3, XY is fixed on the center of base top surface to transfer table, Z-direction transfer table is fixed on base top surface, be disposed adjacent to transfer table with XY, ultrasonic vibration system is fixed on the Z-direction transfer table of bracing frame by fixture 5, wind on Z-direction transfer table drives fixture in the vertical direction to move, ultrasonic vibration system is connected with sampling instrument 8, drive sampling instrument at the dither of vertical direction, pneumatic element is fixed on the center of XY to transfer table of bracing frame, base bottom corner is provided with rubber pin 1, be fixed with bolts between rubber pin and base, pneumatic element is connected with objective table 11, drives objective table to move up and down in the flexibility of vertical direction.Rock sampling instrument is connected to ultrasonic vibration system end can realize high-frequency resonant at vertical direction; Rock sample is fixed on objective table together with backing plate 10, supported by pneumatic element and realize objective table and sample is elevated in the flexibility of vertical direction, make rock sample surface can keep stable flexible micro-pressure contact condition with dither sampling instrument end, thus realize stable, efficient ultrasonic wave added rock sampling process.
Ultrasonic vibration system comprises ultrasonic transducer 6, ultrasonic amplitude transformer 7 and ultrasonic-frequency power supply 14, ultrasonic transducer top is connected with ultrasonic-frequency power supply 14, bottom centre position connects ultrasonic amplitude transformer by studs, ultrasonic amplitude transformer adopts with sampling instrument and is threaded, the lower end of sampling instrument is the circle of hollow or square tubular structure, thickness of pipe is 0.5mm ~ 1mm, upper end is that helicitic texture is connected with the end of ultrasonic amplitude transformer, the material of sampling instrument is stainless steel, and ultrasonic transducer is fixed on the Z-direction transfer table of bracing frame by fixture.Be fixed with bolts between Z-direction transfer table and base, two right-angle sides of reinforcement 13 are bolted with base and Z-direction transfer table respectively, increase the rigidity of Z-direction transfer table.
Pneumatic element comprises cylinder 12 and pneumatic system, cylinder is double acting compact cylinder, vertically be fixed on the center of XY to transfer table, piston rod in cylinder adopts with the lower surface center of objective table and is threaded, the upper surface of objective table is installed on backing plate 10, backing plate is installed workpiece 9, objective table is also installed on up stroke stop means; Pneumatic system comprises pneumatic triple piece 17, source of the gas 18, solenoid valve 16 and one-way throttle valve 15, source outlet connects pneumatic triple piece import by pipeline, pneumatic triple piece outlet is by the import of pipeline connected electromagnetic valve, solenoid valve is two five-way electromagnetic valves, two outlet connects an one-way throttle valve import respectively, the outlet of two one-way throttle valves is connected (see Fig. 4) respectively by pipeline with the both ends open up and down of cylinder, pneumatic system connects cylinder, for cylinder provides adjustable air pressure.
Adopt the method for above-mentioned a kind of ultrasonic wave added rock sampler, workpiece 9 is fixed on together with backing plate 10 center of objective table 11, regulate XY to make workpiece be in rational sample position in the horizontal direction to transfer table 3; Open source of the gas 18, one-way throttle valve 15, two five-way electromagnetic valves 16 and pneumatic triple piece 17 is regulated to provide suitable air pressure for cylinder 12, make objective table under the promotion of cylinder, move to the up stroke stop means place of objective table reposefully straight up, the distance between this position and cylinder piston range is greater than the sampling thickness of workpiece; By the wind of Z-direction transfer table 4, fixture 5 is moved to correct position, make the end of sampling instrument 8 move to 0.8mm ~ 1mm place above workpiece, locking wind, makes the Z-direction position of sampling instrument fix; Opening ultrasonic-frequency power supply 14 makes sampling instrument produce the high-frequency resonant of vertical direction; Open the up stroke stop means of objective table, workpiece slowly moves straight up and contacts with the sampling instrument end just in ultrasonic vibration under the promotion of cylinder, sampling instrument end is made to produce high-frequency percussion to the upper surface of workpiece, continue to add a small amount of SiC lapping liquid at the shock zone place of sampling instrument and surface of the work, strengthened the ablation of SiC abrasive grains by the dither of sampling instrument; Along with sampling instrument and SiC abrasive particle are to the lasting ablation of rock surface, workpiece continues slowly to rise under the promotion of cylinder, until sampling instrument passes workpiece and comes in contact with backing plate; Regulate two five-way electromagnetic valves to make airflow-reversing, workpiece moves straight down along with the piston of cylinder does, and departs from sampling instrument; Keep the dither of sampling instrument, the rock sample obtained naturally will come off in sampling instrument, can complete whole rock sampling process.
Claims (10)
1. a ultrasonic wave added rock sampler, it is characterized in that, comprise bracing frame, ultrasonic vibration system, sampling instrument and pneumatic element, described bracing frame comprises base, Z-direction transfer table and XY to transfer table, XY is fixed on the center of base top surface to transfer table, Z-direction transfer table is fixed on base top surface, is disposed adjacent to transfer table with XY; Described ultrasonic vibration system is fixed on the Z-direction transfer table of bracing frame by fixture, wind on Z-direction transfer table drives fixture in the vertical direction to move, ultrasonic vibration system is connected with described sampling instrument, drives sampling instrument to realize dither at vertical direction; Described pneumatic element is fixed on the center of XY to transfer table of bracing frame, and pneumatic element is connected with objective table, drives objective table to move up and down in the flexibility of vertical direction.
2. a kind of ultrasonic wave added rock sampler according to claim 1, it is characterized in that, described ultrasonic vibration system comprises ultrasonic transducer, ultrasonic amplitude transformer and ultrasonic-frequency power supply, ultrasonic transducer top is connected with ultrasonic-frequency power supply, bottom centre position connects ultrasonic amplitude transformer by studs, ultrasonic amplitude transformer adopts with sampling instrument and is threaded, and ultrasonic transducer is fixed on the Z-direction transfer table of bracing frame by fixture.
3. a kind of ultrasonic wave added rock sampler according to claim 1, it is characterized in that, the lower end of described sampling instrument is the circle of hollow or square tubular structure, thickness of pipe is 0.5mm ~ 1mm, sampling instrument upper end is that helicitic texture is connected with the end of ultrasonic amplitude transformer, and the material of sampling instrument is stainless steel.
4. a kind of ultrasonic wave added rock sampler according to claim 1, it is characterized in that, described pneumatic element comprises cylinder and pneumatic system, described cylinder is double acting compact cylinder, cylinder is vertically fixed on the center of XY to transfer table, and the piston rod in cylinder adopts with the lower surface center of objective table and is threaded; Described pneumatic system connects cylinder, for cylinder provides adjustable air pressure.
5. a kind of ultrasonic wave added rock sampler according to claim 4, it is characterized in that, described pneumatic system comprises pneumatic triple piece, source of the gas, solenoid valve and one-way throttle valve, source outlet connects pneumatic triple piece import by pipeline, pneumatic triple piece outlet is by the import of pipeline connected electromagnetic valve, two outlets of solenoid valve connect an one-way throttle valve import respectively, and the outlet of two one-way throttle valves is connected with the both ends open up and down of cylinder respectively by pipeline.
6. a kind of ultrasonic wave added rock sampler according to claim 4 or 5, it is characterized in that, the upper surface of described objective table is installed on backing plate, and workpiece installed by backing plate, and objective table is also installed on up stroke stop means.
7. a kind of ultrasonic wave added rock sampler according to claim 5, is characterized in that, described solenoid valve is two five-way electromagnetic valves.
8. a kind of ultrasonic wave added rock sampler according to claim 1 and 2, it is characterized in that, be fixed with bolts between described Z-direction transfer table and base, two right-angle sides of reinforcement are bolted with base top surface and the Z-direction transfer table back side respectively.
9. a kind of ultrasonic wave added rock sampler according to claim 1 and 2, it is characterized in that, described base bottom corner is provided with rubber pin, is fixed with bolts between rubber pin and base.
10. adopt the method for a kind of ultrasonic wave added rock sampler described in the claims 6, it is characterized in that, described workpiece is fixed on together with backing plate the center of objective table, regulates XY to make workpiece be in rational sample position in the horizontal direction to transfer table; Open source of the gas, one-way throttle valve, two five-way electromagnetic valves and pneumatic triple piece is regulated to provide suitable air pressure for cylinder, make objective table under the promotion of cylinder, move to the up stroke stop means place of objective table reposefully straight up, the distance between this position and cylinder piston range is greater than the sampling thickness of workpiece; By the wind of Z-direction transfer table, fixture is moved to correct position, make the end of sampling instrument move to 0.8mm ~ 1mm place above workpiece, locking wind, makes the Z-direction position of sampling instrument fix; Opening ultrasonic-frequency power supply makes sampling instrument produce the high-frequency resonant of vertical direction; Open the up stroke stop means of objective table, workpiece slowly moves straight up and contacts with the sampling instrument end just in ultrasonic vibration under the promotion of cylinder, sampling instrument end is made to produce high-frequency percussion to the upper surface of workpiece, continue to add a small amount of SiC lapping liquid at the shock zone place of sampling instrument and surface of the work, strengthened the ablation of SiC abrasive grains by the dither of sampling instrument; Along with sampling instrument and SiC abrasive particle are to the lasting ablation of rock surface, workpiece continues slowly to rise under the promotion of cylinder, until sampling instrument passes workpiece and comes in contact with backing plate; Regulate two five-way electromagnetic valves to make airflow-reversing, workpiece moves straight down along with the piston of cylinder does, and departs from sampling instrument; Keep the dither of sampling instrument, the rock sample obtained naturally will come off in sampling instrument, can complete whole rock sampling process.
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| CN106644569A (en) * | 2016-12-29 | 2017-05-10 | 贵州大学 | Fixed seat for shale rock sample coring and operation method of fixed seat |
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| CN110261199B (en) * | 2019-07-01 | 2021-07-20 | 重庆大学 | Device and method for manufacturing fine cracks of real rock sample |
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| CN114878227B (en) * | 2022-07-08 | 2022-09-09 | 兰州城市学院 | Rock core drilling device for geological exploration |
| CN115892704B (en) * | 2022-12-06 | 2024-05-10 | 中国地质大学（武汉） | Sampling gravel soil slide belt undisturbed sample transporter |
| CN116413065B (en) * | 2023-02-03 | 2024-06-21 | 内蒙古工业大学 | Granite automatic sampling and crushing device and method |
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| DE2907514A1 (en) * | 1979-02-26 | 1980-08-28 | Battelle Institut E V | DEVICE FOR RECOVERING DUST FROM MINERALS |
| JP4488314B2 (en) * | 2005-11-30 | 2010-06-23 | オリンパス株式会社 | Asbestos-containing specimen preparation method and asbestos observation method and microscope observation method using asbestos-containing specimen prepared using the asbestos-containing specimen preparation method |
| CN201326415Y (en) * | 2008-12-04 | 2009-10-14 | 北京探矿工程研究所 | Direct-push type sampling drilling machine with hydraulic vibration impactor |
| CN201826791U (en) * | 2010-11-01 | 2011-05-11 | 东北石油大学 | Anti-fragmentation core sampling device |
| CN102607959B (en) * | 2012-03-28 | 2013-11-20 | 中国石油大学(华东) | Experimental device and method for measuring rock mechanics parameters under action of ultrasonic wave and chemistry |
| CN202853928U (en) * | 2012-10-27 | 2013-04-03 | 薛海 | Device for making mine experimental rock sample |
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