CN214668077U

CN214668077U - Liquid-changeable acoustic suspension polishing equipment

Info

Publication number: CN214668077U
Application number: CN202120708239.XU
Authority: CN
Inventors: 吕君
Original assignee: Yiwu Industrial and Commercial College
Current assignee: Yiwu Industrial and Commercial College
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-11-09
Anticipated expiration: 2031-04-07

Abstract

The utility model relates to a grinding and polishing technical field discloses an acoustic suspension polishing equipment of interchangeable liquid, including frame, pulse power supply, ultrasonic transducer, supersound reflection end, be used for depositing container, drain pipe, feed liquor pipe, the steerable polishing solution circulation of polishing solution and stagnant first solenoid valve, deposit the liquid reserve tank of polishing solution, be used for the centre gripping to treat the anchor clamps of processing the work piece, be used for adjusting the tuning mechanism of distance between supersound reflection end and the ultrasonic transducer. Through above-mentioned technical scheme's setting, open first solenoid valve at the in-process of polishing, the work piece is mixed the polishing liquid drain pipe outflow by the particulate matter that the polishing dropped, and new polishing solution passes through during the feed liquor pipe gets into the container to make the polishing solution in the container keep pure, thereby can stably maintain polishing effect. The polishing liquid in the container can be replaced by opening the first electromagnetic valve in the non-polishing process, and the operation is convenient.

Description

Liquid-changeable acoustic suspension polishing equipment

Technical Field

The utility model relates to a grinding and polishing technical field specifically relates to an acoustic suspension polishing equipment of interchangeable liquid.

Background

The high-quality sample preparation technology is a physical basis of nano-mechanical characterization, and any defects of mechanical damage, pollution, oxidation and the like caused by sample preparation in the instrumented nano-mechanical testing process cause deviation of testing data, even obtain wrong results, and cannot become a design basis of nano devices and nano materials. Therefore, based on the strict requirements on sample preparation, a novel soft contact fluid polishing method is generated aiming at the preparation characteristics of the nanomechanical sample: and (5) acoustic suspension polishing. Free abrasive particles in the polishing solution are promoted to move at a high speed along the track of the sound pressure field by utilizing the action of the pressure field outside the sound pressure node field, and the abrasive particles vertically impact on the surface of a workpiece and roll in the horizontal direction to realize atomic-level material removal processing and stress relaxation effect.

CN101344468B discloses an acoustic suspension polishing apparatus for a nanomechanical representation sample, which includes a frame, a pulse power supply, a clamp for clamping a workpiece to be processed, an ultrasonic transducer, a container for storing polishing liquid, an ultrasonic reflection end, and a tuning mechanism for adjusting the distance between the ultrasonic reflection end and the ultrasonic transducer, wherein the ultrasonic transducer, the container, and the tuning mechanism are all installed above the frame, the pulse power supply is connected with the ultrasonic transducer, the container is located below the ultrasonic transducer, the clamp is located above the container, the clamp is connected with a pulley transmission mechanism, the ultrasonic reflection end is located below the container, the ultrasonic reflection end is matched with the ultrasonic transducer, and the ultrasonic reflection end is connected with the tuning mechanism.

In the process of utilizing ultrasonic waves to promote polishing solution abrasive particles to impact the surface of a workpiece, a large amount of particle substances can fall off from the surface of the workpiece, are suspended in the polishing solution and are mixed with free abrasive particles of the polishing solution, and the purity of the abrasive particles in the polishing solution is reduced, so that the performance of the polishing solution is influenced, and the polishing effect of the workpiece is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an acoustic suspension polishing equipment of interchangeable liquid, this utility model can solve the problem that the inconvenient polishing effect that leads to of the container change solution that exists reduces among the prior art.

In order to achieve the above object, the utility model provides a sound suspension polishing equipment of interchangeable liquid, including frame, pulse power supply, ultrasonic transducer, supersound reflection end, be used for depositing container, drain pipe, feed liquor pipe of polishing solution, the first solenoid valve of steerable polishing solution circulation and stagnation, deposit the liquid reserve tank of polishing solution, be used for the anchor clamps of centre gripping work piece waiting to process, be used for adjusting the tuning mechanism of the distance between ultrasonic reflection end and the ultrasonic transducer;

the ultrasonic transducer, the container and the tuning mechanism are all mounted on the frame, the pulse power supply is electrically connected with the ultrasonic transducer, the clamp is positioned above the container, the container is positioned below the ultrasonic transducer, the ultrasonic reflection end is positioned below the container, the ultrasonic reflection end is connected with the tuning mechanism, and the ultrasonic reflection end is matched with the ultrasonic transducer;

the upper end and the feed liquor pipe intercommunication of container, the lower extreme and the drain pipe intercommunication of container, first solenoid valve sets up on the drain pipe, liquid reserve tank and feed liquor pipe intercommunication, the position that the liquid reserve tank set up is higher than the container.

Through above-mentioned technical scheme's setting, open first solenoid valve at the in-process of polishing, the work piece is mixed the polishing liquid drain pipe outflow by the particulate matter that the polishing dropped, and new polishing solution passes through during the feed liquor pipe gets into the container to make the polishing solution in the container keep pure, thereby can stably maintain polishing effect. The polishing liquid in the container can be replaced by opening the first electromagnetic valve in the non-polishing process, and the operation is convenient.

Furthermore, the liquid-replaceable acoustic suspension polishing equipment also comprises a partition plate, a first electromagnet and a second electromagnet, wherein the inclination angle of the partition plate can be changed;

the partition plate is positioned in the container, the shape of the partition plate is matched with the shape of the cross section of the inner space of the container, one side wall of the partition plate is hinged with the side wall of the container far away from the first electromagnetic valve, the other side wall of the partition plate is provided with a ferromagnetic material, and the first electromagnet and the second electromagnet are respectively arranged on the side wall of the container close to the ferromagnetic material of the partition plate.

Furthermore, the hinged position of the first electromagnet and the partition plate is on the same horizontal plane; the second electromagnet is positioned on the bottom wall of the container.

Further, a rubber strip is arranged in the container and close to the second electromagnet.

Furthermore, a second electromagnetic valve capable of controlling the circulation and stagnation of the polishing solution is arranged on the liquid inlet pipe.

Further, the clamp is connected with a belt wheel transmission mechanism, the belt wheel transmission mechanism comprises a first belt wheel, a transmission belt, a second belt wheel and a driving motor, the first belt wheel is coaxially connected with the clamp, the first belt wheel is connected with the second belt wheel through the transmission belt, and the second belt wheel is connected with an output shaft of the driving motor.

Furthermore, the ultrasonic transducer is connected with a first shock absorber, the ultrasonic reflection end is connected with a second shock absorber, and the first shock absorber and the second shock absorber are both mounted on the frame.

Further, the first shock absorber is connected with a piezoelectric sensor, the piezoelectric sensor is installed on the rack, and the ultrasonic reflection end is connected with the piezoelectric actuator.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a liquid changing system.

Description of the reference numerals

1 pulse power supply 2 ultrasonic transducer

3 ultrasonic reflection end 4 container

41 liquid outlet pipe and 42 liquid inlet pipe

43 first solenoid valve 44 reservoir

5 clamp 45 spacer

46 first electromagnet 47 second electromagnet

48 rubber strip 49 second electromagnetic valve

61 first pulley 62 drive belt

63 second pulley 64 drive motor

71 first shock absorber 72 second shock absorber

81 piezoelectric transducer 82 piezoelectric actuator

91 slider 92 vernier button

Detailed Description

The following describes the embodiments of the present invention in detail. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the present invention, the use of the terms of orientation such as "upper and lower" in the case where no description is made to the contrary generally means the orientation in the assembled and used state. "inner and outer" refer to the inner and outer contours of the respective component itself.

The utility model provides a liquid-changeable acoustic suspension polishing device, as shown in fig. 1-2, comprising a frame, a pulse power supply 1, an ultrasonic transducer 2, an ultrasonic reflection end 3, a container 4 for storing polishing liquid, a liquid outlet pipe 41, a liquid inlet pipe 42, a first electromagnetic valve 43 capable of controlling the circulation and the stagnation of the polishing liquid, a liquid storage tank 44 for storing the polishing liquid, a clamp 5 for clamping a workpiece to be processed, and a tuning mechanism for adjusting the distance between the ultrasonic reflection end 3 and the ultrasonic transducer 2;

the ultrasonic transducer 2, the container 4 and the tuning mechanism are all mounted on the rack, the pulse power supply 1 is electrically connected with the ultrasonic transducer 2, the clamp 5 is positioned above the container 4, the container 4 is positioned below the ultrasonic transducer 2, the ultrasonic reflection end 3 is positioned below the container 4, the ultrasonic reflection end 3 is connected with the tuning mechanism, and the ultrasonic reflection end 3 is matched with the ultrasonic transducer 2;

the upper end and the feed liquor pipe 42 intercommunication of container 4, the lower extreme and the drain pipe 41 intercommunication of container 4, first solenoid valve 43 sets up on the drain pipe 41, liquid reserve tank 44 and feed liquor pipe 42 intercommunication, the position that liquid reserve tank 44 set up is higher than container 4.

It should be noted that the ultrasonic transducer 2 includes an ultrasonic generator, a transducer, and an amplitude transformer. The function of the ultrasonic generator is to convert our commercial power into a high-frequency alternating current signal matched with the ultrasonic transducer. An ultrasonic transducer is a device that converts electrical energy into mechanical energy. The ultrasonic horn, also called ultrasonic concentrator, mainly has the function of energy concentration, that is, the ultrasonic horn amplifies the particle displacement or speed of mechanical vibration or concentrates ultrasonic energy on a smaller area. The ultrasonic transducer 2 is an ultrasonic wave generating end. The ultrasonic generator converts 220V alternating current into ultrasonic frequency electric oscillation, converts the ultrasonic frequency electric oscillation into mechanical vibration through the piezoelectric transducer, emits the mechanical vibration from the transmitting end through the amplification of the amplitude transformer, and reflects the mechanical vibration from the reflecting end to cause the suspension vibration of the polishing particles in the container. The concave spherical ultrasonic reflection end 3 is fixed below the container, and the distance between the reflection end and the emission end is adjusted, so that standing waves can be formed in repeated superposition of sound waves, and polishing particles vibrate outside the standing waves of the radiation sound field, and horizontal impact polishing on a workpiece is formed.

In order to remove the particle substances deposited in the polishing solution and falling off from the surface of the workpiece, the acoustic suspension polishing equipment with the replaceable solution preferably further comprises a partition plate 45, a first electromagnet 46 and a second electromagnet 47, wherein the inclination angle of the partition plate can be changed;

the partition plate 45 is positioned in the container 4, and the shape of the partition plate is adapted to the shape of the cross section of the inner space of the container 4, one side wall of the partition plate 45 is hinged to the side wall of the container 4 far away from the first electromagnetic valve 43, the other side wall of the partition plate 45 is provided with a ferromagnetic material, and the first electromagnet 46 and the second electromagnet 47 are respectively arranged on the side wall of the container 4 close to the ferromagnetic material of the partition plate 45. The hinged part of the first electromagnet 46 and the partition plate 45 is positioned on the same horizontal plane; the second electromagnet 47 is located on the bottom wall of the container 4. Through the arrangement of the technical scheme, when liquid does not need to be changed, the first electromagnet 46 is opened, the second electromagnet 47 is closed, and the partition plate 45 is adsorbed by the first electromagnet 46 and is in a horizontal state. When liquid needs to be changed in the container 4, the first electromagnet 46 is closed, the second electromagnet 47 is opened, and one end of the partition plate 45 is attracted by the second electromagnet 47 to form a state of being inclined toward the liquid outlet pipe 41. The first solenoid valve 43 of the drain pipe 41 is opened, and the polishing liquid with the particulate matter deposited on the surface of the workpiece on the partition plate 45 is discharged from the drain pipe 41. The provision of the tiltable partition 45 enables more complete removal of deposited particulate matter.

In order to prevent the particulate matter falling off from the surface of the workpiece from entering the space below the partition plate 45, a rubber strip 48 is preferably provided in the container 4 adjacent to the second electromagnet 47. The partition 45 is inclined to contact the rubber strip 48 to separate the space below the partition 45 from the polishing slurry flowing to the drain pipe 41.

In order to control the circulation of the liquid storage tank 44, a second electromagnetic valve 49 is preferably arranged on the liquid inlet pipe 42 for controlling the circulation and stagnation of the polishing liquid; through the arrangement of the above technical solution, in the state that the first electromagnetic valve 43 is opened, the second electromagnetic valve 49 is closed, and the polishing solution in the container 4 can be drained.

In order to make the workpiece contact with the polishing liquid sufficiently, the clamp 5 is preferably connected with a pulley transmission mechanism, the pulley transmission mechanism comprises a first pulley 61, a transmission belt 62, a second pulley 63 and a driving motor 64, the first pulley 61 is coaxially connected with the clamp 5, the first pulley 61 is connected with the second pulley 63 through the transmission belt 62, and the second pulley 63 is connected with an output shaft of the driving motor 64.

In order to prevent the ultrasonic transducer 2 and the ultrasonic reflection end 3 from vibrating strongly, in a preferable case, a first shock absorber 71 is connected to the ultrasonic transducer 2, a second shock absorber 72 is connected to the ultrasonic reflection end 3, and the first shock absorber 71 and the second shock absorber 72 are both mounted on the frame.

In order to understand and control the action of the ultrasonic waves and to enable feedback to a computer, the first shock absorber 71 is preferably connected with a piezoelectric transducer 81, the piezoelectric transducer 81 is mounted on the frame, and the ultrasonic reflection end 3 is connected with a piezoelectric actuator 82.

Preferably, the tuning mechanism comprises a sliding block, a guide rail and a fine tuning button, and the fine tuning button is in threaded connection with the guide rail. The sliding block is driven to move up and down by rotating the fine adjustment button, so that the ultrasonic reflection end is driven to move up and down, and the distance between the ultrasonic reflection end 3 and the ultrasonic transducer 2 is adjusted.

The above detailed description describes the preferred embodiments of the present invention, but the present invention is not limited to the details of the above embodiments, and the technical idea of the present invention can be within the scope of the present invention, and can be right to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. The acoustic suspension polishing equipment capable of changing liquid is characterized by comprising a rack, a pulse power supply (1), an ultrasonic transducer (2), an ultrasonic reflection end (3), a container (4) for storing polishing liquid, a liquid outlet pipe (41), a liquid inlet pipe (42), a first electromagnetic valve (43) capable of controlling the circulation and stagnation of the polishing liquid, a liquid storage tank (44) for storing the polishing liquid, a clamp (5) for clamping a workpiece to be processed, and a tuning mechanism for adjusting the distance between the ultrasonic reflection end (3) and the ultrasonic transducer (2);

the ultrasonic transducer (2), the container (4) and a tuning mechanism are all mounted on the frame, the pulse power supply (1) is electrically connected with the ultrasonic transducer (2), the clamp (5) is positioned above the container (4), the container (4) is positioned below the ultrasonic transducer (2), the ultrasonic reflection end (3) is positioned below the container (4), the ultrasonic reflection end (3) is connected with the tuning mechanism, and the ultrasonic reflection end (3) is matched with the ultrasonic transducer (2);

the upper end and the feed liquor pipe (42) intercommunication of container (4), the lower extreme and drain pipe (41) intercommunication of container (4), first solenoid valve (43) set up on drain pipe (41), liquid reserve tank (44) and feed liquor pipe (42) intercommunication, the position that liquid reserve tank (44) set up is higher than container (4).

2. The liquid-exchangeable acoustic suspension polishing apparatus according to claim 1, further comprising a partition plate (45) having an inclination angle changeable, a first electromagnet (46), a second electromagnet (47);

the partition plate (45) is located in the container (4), the shape of the partition plate is adaptive to the cross-sectional shape of the inner space of the container (4), one side wall of the partition plate (45) is hinged to the side wall, away from the first electromagnetic valve (43), of the container (4), a ferromagnetic material is arranged on the other side wall of the partition plate (45), and the first electromagnet (46) and the second electromagnet (47) are respectively arranged on the side wall, close to the ferromagnetic material of the partition plate (45), of the container (4).

3. A liquid-exchangeable acoustic suspension polishing apparatus according to claim 2, wherein the hinge of the first electromagnet (46) and the partition (45) are in the same horizontal plane; the second electromagnet (47) is positioned on the bottom wall of the container (4).

4. A liquid-exchangeable acoustic suspension polishing apparatus as claimed in claim 3, characterized in that a rubber strip (48) is arranged in the container (4) close to the second electromagnet (47).

5. A liquid-exchangeable acoustic suspension polishing apparatus as set forth in claim 1, wherein a second solenoid valve (49) for controlling the circulation and stagnation of the polishing liquid is provided on said liquid inlet pipe (42).

6. A liquid-exchangeable acoustic suspension polishing apparatus according to claim 1, wherein the holder (5) is connected to a pulley drive comprising a first pulley (61), a belt (62), a second pulley (63) and a drive motor (64), the first pulley (61) being coaxially connected to the holder (5), the first pulley (61) being connected to the second pulley (63) via the belt (62), the second pulley (63) being connected to an output shaft of the drive motor (64).

7. A liquid-exchangeable acoustic suspension polishing apparatus according to claim 1, wherein a first shock absorber (71) is connected to the ultrasonic transducer (2), a second shock absorber (72) is connected to the ultrasonic reflection end (3), and both the first shock absorber (71) and the second shock absorber (72) are mounted on a frame.

8. A liquid-exchangeable acoustic suspension polishing apparatus according to claim 7, wherein the first shock absorber (71) is connected to a piezoelectric transducer (81), the piezoelectric transducer (81) is mounted on a frame, and the ultrasound reflecting end (3) is connected to a piezoelectric actuator (82).