JP2009242192A - Exfoliation apparatus - Google Patents

Exfoliation apparatus Download PDF

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Publication number
JP2009242192A
JP2009242192A JP2008092392A JP2008092392A JP2009242192A JP 2009242192 A JP2009242192 A JP 2009242192A JP 2008092392 A JP2008092392 A JP 2008092392A JP 2008092392 A JP2008092392 A JP 2008092392A JP 2009242192 A JP2009242192 A JP 2009242192A
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storage tank
liquid medium
particles
processed
particle
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JP2008092392A
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JP5240993B2 (en
Inventor
Yoshihiro Okamoto
Yuichi Tanaka
Mamoru Tano
義弘 岡本
雄一 田中
護 田野
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Sawa Corporation
株式会社サワーコーポレーション
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an exfoliation apparatus constituted so that a body to be treated such as a carbon nanocoil can be recovered in large quantities in a short time. <P>SOLUTION: A particle P having grown the body to be treated on the surface thereof is supplied to a storage tank 41 together with a liquid medium. The vibration generated by an ultrasonic oscillator 42 is transmitted to the particle P through the liquid medium to vibrate the particle P ultrasonically so that the body to be treated is exfoliated from the particle P and the exfoliated body to be treated is recovered together with the liquid medium. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a peeling apparatus.

  In recent years, as disclosed in Patent Document 1, carbon nanocoils in which carbon fibers are spirally wound have been manufactured. This carbon nanocoil is expected to be used as, for example, a cellular phone as a high-performance electromagnetic wave absorber material because the carbon fiber has conductivity and is formed into a coil shape. Moreover, since it has a spring characteristic, it attracts attention as a material for a spring or actuator of a micromachine. Therefore, there is a demand for a technique for efficiently and mass-producing carbon nanocoils.

  In this carbon nanocoil, as described in Patent Document 1, when a catalyst fine particle film is generated on the surface of a substrate and a raw material gas is circulated by a chemical vapor deposition (CVD) method, the catalyst fine particles become catalyst nuclei. As a result, the raw material gas is decomposed to produce carbon nanocoils with catalyst nuclei attached thereto.

In order to cut and collect the carbon nanocoils grown on the substrate from the substrate, for example, an ultrasonic cleaning technique as described in Patent Document 2 as a conventional example is used. Specifically, an ultrasonic vibrator is attached to the back surface of the bottom of the cleaning tank, the cleaning liquid is filled in the cleaning tank, and the ultrasonic vibrator is vibrated to vibrate the cleaning liquid through the cleaning tank. Bubbles are generated, and the carbon nanocoils attached to the substrate are peeled off by a shock wave generated when the bubbles hit the substrate and break.
JP 2004-261630 A JP 2000-107712 A

  However, since the conventional ultrasonic cleaning apparatus uses a large-capacity cleaning tank, a large amount of cleaning liquid is required, which increases the cost. In addition, since the carbon nanocoils are peeled off by generating small bubbles in the cleaning liquid, there is uneven distribution of bubbles when the bubbles hit the substrate, and as a result, the amount of carbon nanocoils that can be recovered from the substrate is small and efficient There was a problem that it was difficult to recover.

  This invention is made | formed in view of this point, The objective is to provide the peeling apparatus which enabled it to collect | recover many to-be-processed objects, such as a carbon nano coil, in a short time.

  In order to achieve the above-described object, the present invention grows the object to be processed on the surface of the particles, and ultrasonically vibrates the particles so that the object is separated from the particles and collected.

  Specifically, the present invention is directed to a peeling apparatus for peeling and recovering an object to be processed grown on the surface of the particle from the particle, and has taken the following solution.

That is, the invention of claim 1 is a storage tank for storing a liquid medium as a vibration transmission medium;
An ultrasonic transducer that vibrates the liquid medium in the storage tank;
The particles are supplied to the storage tank, and the vibration of the ultrasonic vibrator is transmitted to the particles via a liquid medium to vibrate the particles, thereby separating the object to be processed from the particles and the liquid medium. It is characterized by being collected together.

The invention of claim 2 is the invention according to claim 1,
Liquid supply means for supplying a liquid medium to the storage tank;
An inclined plate disposed on the upstream side of the storage tank and inclined downward toward the storage tank;
Particle supply means for supplying the particles to the upper surface of the inclined plate,
The liquid supply means is configured to supply a liquid medium to the inclined plate, thereby causing the particles deposited on the inclined plate to flow in an inclined direction, and supply the particles together with the liquid medium to the storage tank. It is characterized by being.

The invention of claim 3 is the invention according to claim 1 or 2,
A reflection plate facing the bottom plate of the storage tank is disposed above the storage tank.

The invention of claim 4 is the invention according to claim 3,
An uneven portion is formed on the lower surface of the reflecting plate.

The invention of claim 5 is the invention of claim 3 or 4,
The reflection plate is configured to be movable in an in-plane direction along the liquid surface of the liquid medium stored in the storage tank.

The invention of claim 6 is any one of claims 3 to 5,
The ultrasonic transducer is attached to the upper surface of the reflection plate.

The invention of claim 7 is the invention according to any one of claims 1 to 6,
Inclining the storage tank, comprising a discharge means for discharging the object to be processed separated from the particles to a predetermined recovery position together with the liquid medium,
The discharge means is configured to incline the storage tank toward the collection position every predetermined time.

The invention of claim 8 is directed to claim 7,
The discharge means is configured to incline the storage tank toward a predetermined discharge position different from the collection position, and discharge and collect the particles together with the liquid medium to the discharge position. It is characterized by.

  According to the first aspect of the present invention, the vibration generated by the ultrasonic vibrator is transmitted to the particle via the liquid medium and the particle is ultrasonically vibrated. It cannot follow the ultrasonic vibration of the particles, and the surface layer portion of the object to be processed peels off from the particle surface and is mixed in the liquid medium.

  As described above, since the object to be processed can be uniformly peeled from the entire surface of the particle only by ultrasonically vibrating the particle, the object to be processed can be efficiently collected in large quantities. Further, since the amount of the liquid medium stored in the storage tank is a minimum amount necessary for vibrating the particles, it is advantageous for cost reduction.

  In addition, since the object to be processed is grown on the entire surface of the particle, a larger surface area is provided for growing the object to be processed compared to the case where the object to be processed is grown on the surface of the substrate as in the past. can do. As a result, the amount of objects to be processed that can be processed at a time can be increased, and a larger amount of objects to be processed can be efficiently recovered than in the past.

  Furthermore, in the present invention, since the peeling ability for peeling the object to be treated from the particle surface is very high, the output of the ultrasonic vibrator can be reduced and the power of the ultrasonic vibration can be reduced. The collection | recovery operation | work of a to-be-processed object can be performed.

  According to the invention of claim 2, after supplying the particles to the upper surface of the inclined plate by the particle supplying means, the liquid supply means supplies the liquid medium to the inclined plate and deposits the particles deposited on the inclined plate in the inclination direction. Since the particles are supplied to the storage tank together with the liquid medium, the particles can be uniformly stirred in the liquid medium.

  That is, when the particles are directly supplied to the storage tank by the particle supply means, the particles are deposited only in a partial region in the storage tank, so that the ultrasonic vibration cannot be sufficiently transmitted to the entire particles. In addition, the peeling efficiency may be reduced. In contrast, in the present invention, when particles are supplied to the storage tank, the particles are supplied while being flowed by the liquid medium, so that the particles and the liquid medium are stored in the storage tank in a sufficiently stirred state. In other words, when ultrasonic vibration is applied, the object to be processed can be peeled by uniformly applying vibration to the entire particle.

  Further, by providing the particle supply means and the liquid supply means, it is not necessary for the operator to perform the operation of supplying the particles and the liquid medium into the storage tank and stirring them. improves.

  According to the third aspect of the present invention, since the reflecting plate facing the bottom plate of the storage tank is disposed above the storage tank, the ultrasonic vibration is efficiently performed by effectively reflecting the vibration energy. Can be made. That is, when the upper part of the storage tank is open, vibration energy is likely to be attenuated after passing through the liquid medium. However, by providing a reflector, the energy of vibration that has passed through the liquid medium is applied to the reflector. As a result of the transmission and the reflection plate vibrating by the energy, the ultrasonic vibration reflected from the reflection plate is transmitted again to the particles. Thereby, attenuation of the energy of vibration can be suppressed, and the object to be processed can be recovered by efficiently vibrating the particles.

  According to the fourth aspect of the invention, since the uneven portion is provided on the lower surface of the reflecting plate, the vibration transmitted from the ultrasonic vibrator to the reflecting plate through the liquid medium is irregularly reflected by the uneven portion on the lower surface of the reflecting plate. As a result, vibrations can be transmitted evenly to the entire particles contained in the liquid medium of the storage tank, so that the separation can be performed efficiently.

  According to the fifth aspect of the invention, since the reflector is movable in the in-plane direction along the liquid surface of the liquid medium, the particles can be ultrasonically vibrated while stirring the liquid medium in the storage tank. . Therefore, vibration can be transmitted evenly to the entire particles contained in the liquid medium of the storage tank, and separation can be performed efficiently.

  According to the sixth aspect of the invention, since the ultrasonic vibrator is attached to the upper surface of the reflector, the work of peeling the object to be processed from the particle surface can be performed more efficiently. That is, normally, the object to be processed is peeled off by generating vibration only with an ultrasonic vibrator provided on the back surface of the bottom plate of the storage tank, but if the vibration is also generated from the reflector, the liquid medium The mutual vibration waves overlap and strengthen each other, which is advantageous in peeling the object to be processed from the particle surface.

  According to the seventh aspect of the present invention, the storage tank is inclined toward the recovery position by the discharging means, and the object to be processed separated from the particles is discharged and recovered together with the liquid medium to the recovery position. The liquid medium containing the object to be processed can be recovered simply by tilting the tank. With such a configuration, there is no need for an operator to collect the object to be processed separated from the particles, and the operation of collecting the object to be processed can be performed automatically and continuously, improving work efficiency. To do. For this reason, it is advantageous when mass-producing carbon nanocoils, which have recently been increasing in demand as high-performance electromagnetic wave absorber materials.

  Further, since the work of collecting the object to be processed together with the liquid medium is performed every predetermined time, it is advantageous for collecting the high-quality object to be processed. That is, if all of the object to be processed grown on the entire surface of the particle is peeled off and then collected, ultrasonic vibration will continue to be applied to the object already separated from the particle surface and floating in the liquid medium. This may cause damage to the object to be processed.

  However, in the present invention, since the object to be processed is collected together with the liquid medium every predetermined time, excessive ultrasonic vibration is not given to the object to be processed after peeling. It will be advantageous.

  According to the eighth aspect of the present invention, the liquid medium containing particles is discharged and collected by the discharge means at a discharge position different from the collection position of the liquid medium containing the object to be processed. The processing object and particles are not mixed, and only the object to be processed can be reliably recovered.

  Then, the work of collecting the object to be processed peeled from the particles and the work of discharging the particles after the object to be processed are automatically discharged by the discharging means, thereby reducing the work load on the operator. Work efficiency.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. It should be noted that the following description of the preferred embodiment is merely illustrative in nature and is not intended to limit the present invention, its application, or its use.

  1 is a front view showing a configuration of a peeling apparatus according to an embodiment of the present invention, FIG. 2 is a side view, and FIG. 3 is a plan view. As shown in FIG. 1 to FIG. 3, the peeling device 10 peels and collects a target object such as carbon nanocoil grown on the surface of the particle P from the particle P, and includes a plurality of main body frames 11. A rectangular parallelepiped main body pedestal 12 is provided.

  The main frame 12 is divided into a storage chamber 12a and a control chamber 12b by an intermediate frame 11a extending in the vertical direction. A particle supply unit 20, a vibration unit 40, liquid supply units 45 and 46, a reflection unit 50, a discharge unit 60, and a storage tank 80 are disposed in the storage chamber 12a.

  A control box (not shown) provided with a plurality of switches and the like for performing power ON / OFF and various settings is provided in the control room 12b of the main body base 12. Further, adjustment bolts 14 for adjusting the height of the main body frame 12 are attached to the four corners of the lower end portion of the main body frame 12, respectively.

  The particle supply unit 20 is for supplying the particles P with the object to be processed grown on the surface thereof into the storage tank 41 of the vibration unit 40. The container 21 for containing the particles P, the supply cylinder 22, And an inclined plate 30.

  The storage container 21 is a hollow cylindrical container in which particles P are stored, and a plurality of supply holes (not shown) are formed on the upper surface thereof. The container 21 is held by a holding member 25 that is rotatably supported around a rotating shaft 23 that extends in the front-rear direction of the apparatus.

  Specifically, an opening / closing door 26 that can be opened and closed and a lock member 27 that locks the opening / closing door 26 are attached to the holding member 25, and the lock member 27 is locked by closing the door 26. The container 21 can be held inside. Further, when the amount of particles P in the storage container 21 is insufficient, the opening / closing door 26 can be taken out of the storage container 21 to replenish the particles P.

  The supply cylinder 22 rotates the holding member 25 about the rotation shaft 23 by expansion and contraction of the cylinder rod. Specifically, when the cylinder rod of the supply cylinder 22 is extended, the holding member 25 is rotated clockwise about the rotation shaft 23 by a gear portion (not shown) attached to the tip of the cylinder rod. The particles P are supplied to the upper surface of the inclined plate 30 through the supply holes on the upper surface of the storage container 21, and the particles P are deposited on the upper surface of the inclined plate 30.

  On the other hand, when the cylinder rod of the supply cylinder 22 is retracted, the holding member 25 is rotated counterclockwise around the rotation shaft 23 and returned to the original standby position.

  The inclined plate 30 is disposed so as to be inclined downward toward the storage tank 41. And the liquid supply unit 45 is arrange | positioned in the upstream of the inclination direction of the inclination board 30, and an upper position.

  The liquid supply unit 45 includes a supply pipe 45a extending in the front-rear direction of the apparatus, and a plurality of injection holes 45b are formed in the supply pipe 45a at intervals in the axial direction. The injection hole 45b is formed below the supply pipe 45a so as to inject the liquid medium toward the inclined plate 30.

  The liquid supply unit 45 is configured to eject the liquid medium after the particles P are supplied from the particle supply unit 20 and the particles P are deposited on the upper surface of the inclined plate 30. With such a configuration, the particles P deposited on the inclined plate 30 are caused to flow in the inclination direction together with the liquid medium, and the particles P are supplied to the storage tank 41 together with the liquid medium, so that the particles P are uniformly stirred in the liquid medium. Can be made.

  That is, when the particles P are directly supplied to the storage tank 41 by the particle supply unit 20, the particles P are deposited only in a partial region in the storage tank 41, so that the ultrasonic vibration is sufficiently applied to the entire particles. There is a possibility that the peeling efficiency may be lowered without being able to transmit. In contrast, in the present invention, when the particles P are supplied to the storage tank 41, the particles P are supplied while being flowed by the liquid medium, so that the storage tank is sufficiently stirred with the particles P and the liquid medium. When the ultrasonic vibration is applied, the object to be processed can be peeled by applying the vibration uniformly to the entire particle P.

  As shown in an enlarged view in FIG. 4, the vibration unit 40 includes a storage tank 41 that stores a liquid medium as a vibration transmission medium, and an ultrasonic transducer 42 that is attached to the rear surface of the bottom plate of the storage tank 41. ing.

  The storage tank 41 stores the liquid medium supplied from the liquid supply units 45 and 46, and the ultrasonic vibration generated by the ultrasonic vibrator 42 causes the particles P in the storage tank 41 to pass through the liquid medium. When the particles P are ultrasonically vibrated in the liquid medium, the object to be processed is peeled from the particles P, and the peeled object to be processed is mixed and collected in the liquid medium. Yes. In this embodiment, alcohol is used as the liquid medium.

  In addition, the bottom plate on the left side and the right side of the bottom plate of the storage tank 41 with respect to the attachment position of the ultrasonic transducer 42 is inclined upward toward the left side and the right side, respectively, and particles P in the storage tank 41 are described later. The shape is easy to discharge toward the discharge position and the collection position.

  A total of four ultrasonic transducers 42 are arranged at intervals in the front-rear direction and the left-right direction of the bottom plate back surface of the storage tank 41. In the present embodiment, a configuration using four ultrasonic transducers 42 is described, but the number is not particularly limited, and can be set as appropriate according to the size of the storage tank 41 and the like. With this arrangement, the vibration transmitted to the particles P can be made uniform. That is, when only one ultrasonic transducer 42 is arranged, the vibration in the vicinity of the ultrasonic transducer 42 is strongest, and the vibration tends to weaken toward the outer peripheral portion. If it arrange | positions, since a mutual vibration wave will return | fold around the outer peripheral part where a vibration will weaken, it will overlap and strengthen and it is preferable.

  The ultrasonic vibrator 42 operates so as to vibrate the bottom plate of the storage tank 41 in the thickness direction, and the vibration generated by the ultrasonic vibrator 42 becomes a vertical vibration wave. It is transmitted toward the particles P through the medium, and the particles P are ultrasonically vibrated. As a result, the object to be processed grown on the surface of the particle P cannot follow the ultrasonic vibration of the particle P, and the surface layer portion of the object to be processed is separated from the particle P.

  As described above, since the object to be processed can be uniformly peeled from the entire surface of the particle P simply by ultrasonically vibrating the particle P, it is possible to efficiently collect a large amount of the object to be processed. Further, since the amount of the liquid medium stored in the storage tank 41 is a minimum amount necessary for vibrating the particles P, it is advantageous for cost reduction.

  In addition, since the object to be processed is grown on the surface of the particle P, a larger surface area is ensured for growing the object to be processed compared to the case where the object to be processed is grown on the surface of the substrate as in the past. can do. As a result, the amount of objects to be processed that can be processed at a time can be increased, and a larger amount of objects to be processed can be efficiently recovered than in the past.

  A filter portion 48 is erected at the right end portion of the storage tank 41. The filter unit 48 has a mesh shape that allows the object to be processed and the liquid medium to pass while preventing the passage of the particles P when the storage tank 41 is inclined clockwise toward the collection position by the discharge unit 60. Is formed.

  A liquid supply unit 46 for supplying a liquid medium into the storage tank 41 is disposed at an upper position on the right side of the storage tank 41. The liquid supply unit 46 includes a supply pipe 46a extending in the front-rear direction of the apparatus, and a plurality of injection holes 46b are formed in the supply pipe 46a at intervals in the axial direction. The injection hole 46 b is formed so as to inject the liquid medium toward the surface of the filter portion 48.

  With such a configuration, when the storage tank 41 is tilted clockwise toward the collection position by the discharge unit 60, the liquid supply unit 46 ejects the particles P adhering to the surface of the filter unit 48. Sometimes it can be washed away from the surface of the filter part 48 and the particles P can be stored in the storage tank 41 together with the liquid medium.

  The reflection unit 50 includes a reflection plate 52 and a reflection plate cylinder 51 that allows the reflection plate 52 to move in the vertical direction. The reflection unit 50 is disposed above the storage tank 41 of the vibration unit 40 so that the bottom plate of the storage tank 41 and the reflection plate 52 face each other.

  Then, by extending the cylinder rod of the reflector cylinder 51 and positioning the reflector 52 substantially equal to or lower than the liquid surface of the liquid medium in the storage tank 41, the ultrasonic transducer 42 moves into the liquid medium. The energy of vibration that has passed through is reflected by the reflecting plate 52 to suppress the attenuation of vibration energy. Thereby, the particle | grains P can be vibrated ultrasonically efficiently. The reflection plate 52 is made of, for example, stainless steel.

  In addition, you may make it provide an uneven | corrugated | grooved part in the lower surface of the said reflecting plate 52. FIG. With such a configuration, the vibration transmitted from the ultrasonic transducer 42 to the reflecting plate 52 via the liquid medium is irregularly reflected by the concave and convex portions on the lower surface of the reflecting plate 52, and the liquid medium in the storage tank 41. Since vibrations can be transmitted uniformly to the entire particles P contained therein, separation can be performed efficiently.

  Further, the reflecting plate 52 may be configured to be movable in the in-plane direction along the liquid surface of the liquid medium. With such a configuration, the particles P can be vibrated ultrasonically while stirring the liquid medium in the storage tank 41. Therefore, vibration can be transmitted evenly to the entire particles P contained in the liquid medium of the storage tank 41, and the separation can be efficiently performed.

  Furthermore, a configuration may be adopted in which the ultrasonic transducer 42 is attached to the upper surface of the reflection plate 52. With such a configuration, the work of peeling the object to be processed from the surface of the particles P can be performed more efficiently. In other words, in this embodiment, vibration is generated only by the ultrasonic vibrator 42 provided on the back surface of the bottom plate of the storage tank 41 and the object to be processed is peeled off, but vibration is also generated from the reflection plate 52. By doing so, the mutual vibration waves overlap and strengthen each other in the liquid medium, which is advantageous in peeling the object to be processed from the surface of the particles P.

  The discharge unit 60 discharges the liquid medium including the object to be processed in the storage tank 41 to the recovery unit 70 disposed at a predetermined recovery position, while the particles P are at a predetermined discharge position different from the recovery position. It is for discharging to the arranged particle recovery tank 74 side. The discharge unit 60 includes first and second discharge cylinders 61 and 62 disposed above the storage tank 41 and a support belt 65 that supports the storage tank 41. Here, the first discharge cylinder 61 is disposed on the right side of the apparatus with respect to the second discharge cylinder 62.

  Specifically, support shafts 43 extending in the front-rear direction of the apparatus are attached to the left and right ends of the storage tank 41, respectively. The lower end portion of the support belt 65 is rotatably connected to both axial ends of the support shaft 43, and the upper end portion of the support belt 65 is fixed to the main body frame 11 above the main body frame 12. The four support belts 65 are provided so as to support the apparatus front-rear direction and the left-right direction of the storage tank 41, respectively.

  A discharge roller 63 and a guide roller 64 are disposed between the lower end side and the upper end side of the support belt 65, and the support belt 65 is wound around the discharge roller 63 and the guide roller 64, respectively.

  The discharge roller 63 is disposed at both ends of the storage tank 41 in the front-rear direction of the storage tank 41 corresponding to the support belt 65 and is connected to the rod tip portions of the first and second discharge cylinders 61 and 62, respectively. Yes.

  Further, the guide roller 64 is disposed below the discharge roller 63 and closer to the storage tank 41. The guide rollers 64 are also arranged at both ends in the front-rear direction of the apparatus so as to correspond to the support belt 65.

  In a state where the cylinder rod of the first discharge cylinder 61 is retracted and the cylinder rod of the second discharge cylinder 62 is extended, the guide rollers 64 to the storage tank 41 in the support belts 65 at the left and right ends of the storage tank 41 are provided. The storage tank 41 is held horizontally.

  Here, when the cylinder rod of the first discharge cylinder 61 is extended with the cylinder rod of the second discharge cylinder 62 extended, the discharge roller 63 and the guide roller 64 around which the support belt 65 is wound are formed. The interval is shortened, the support belt 65 is slackened, the storage tank 41 is rotated around the support shaft 43 at the left end of the storage tank 41, and the right end of the storage tank 41 is inclined downward. Thereby, the to-be-processed object in the storage tank 41 is discharged | emitted by the inclination direction with a liquid medium. At this time, the particles P cannot pass through the filter part 48 and adhere to the surface of the filter part 48.

  On the other hand, when the cylinder rod of the second discharge cylinder 62 is retracted while the cylinder rod of the first discharge cylinder 61 is retracted, the distance between the discharge roller 63 and the guide roller 64 is shortened, and the support belt 65 is The storage tank 41 rotates with the support shaft 43 at the right end of the storage tank 41 as a fulcrum, and the left end of the storage tank 41 is inclined downward. Thereby, the particle | grains P in the storage tank 41 are discharged | emitted by the inclination direction with a liquid medium.

  The recovery unit 70 is for recovering the liquid medium including the particles P discharged from the storage tank 41 and the object to be processed. The recovery unit 71 and the right side of the storage tank 41 at a position higher than the recovery tank 71. A collection guide plate 72 disposed in the vicinity, a discharge guide plate 73 disposed in the vicinity of the left side of the storage tank 41 at a position above the collection tank 71, and a particle disposed below the discharge guide plate 73 for collecting the particles P. A recovery tank 74 and a liquid medium recovery nozzle 75 are provided.

  The recovery tank 71 is formed in a box shape with an opening at the top, and a drain outlet is opened at the right end of the bottom plate, and the bottom plate around it so that the liquid medium in the recovery tank 71 flows into the drain outlet. Is inclined towards the drain.

  The collection guide plate 72 is composed of a plate material that extends downward so that the liquid medium including the object to be processed discharged from the storage tank 41 does not scatter and guides the fall of the collection tank 71 downward.

  The discharge guide plate 73 is made of a plate material that extends downward so that the liquid medium containing the particles P discharged from the storage tank 41 does not scatter and guides the drop of the particle recovery tank 74 downward.

  The particle recovery tank 74 recovers the particles P discharged from the storage tank 41, and is formed in a box shape having an upper opening. The bottom plate of the particle recovery tank 74 is provided with a mesh-like filter. Only the particles P are recovered in the particle recovery tank 74, and the liquid medium flows down to the recovery tank 71 through the filter. .

  The liquid medium recovery nozzle 75 is attached to the rear surface of the bottom plate so as to communicate with a drain opening opened in the bottom plate of the recovery tank 71, and drains the liquid medium in the recovery tank 71 to the storage tank 80 side.

  The storage tank 80 is for storing a liquid medium including an object to be processed which has flowed from the liquid medium recovery nozzle 75 of the recovery tank 71, and holds the tank main body 81 and the tank main body 81 on the main body base 12. And a table 82.

  The tank body 81 is constituted by a transparent round bottom flask, and is held by a holding stand 82 in an inclined state so that the opening thereof faces the liquid medium recovery nozzle 75. The holding table 82 is provided with a detection sensor 83 that detects the water level of the liquid medium stored in the tank body 81.

  In the peeling apparatus 10 according to the present embodiment, the liquid medium containing the liquid to be treated drained from the recovery unit 70 is stored in the storage tank 80, and the operator takes out the tank body 81 and performs the next processing step. However, the present invention is not limited to this mode. For example, the liquid medium drained from the recovery unit 70 is directly supplied to the processing apparatus that performs the next processing step. It doesn't matter.

-Peeling operation of workpiece-
Next, an operation procedure for separating and recovering the object to be processed grown on the surface of the particles P with the peeling device 10 will be described with reference to FIGS.

  As shown in FIGS. 1 to 4, first, the storage container 21 storing the particles P is set on the holding member 25 of the particle supply unit 20. Further, the cylinder rod of the first discharge cylinder 61 is retracted and the cylinder rod of the second discharge cylinder 62 is extended to hold the storage tank 41 horizontally.

  Next, the supply cylinder 22 of the particle supply unit 20 is extended, the holding member 25 is rotated clockwise about the rotation shaft 23, and the particles P are supplied to the upper surface of the inclined plate 30. Then, the liquid medium is supplied from the liquid supply unit 45 toward the upper surface of the inclined plate 30, and the particles P are supplied to the storage tank 41 together with the liquid medium while flowing the particles P deposited on the upper surface of the inclined plate 30.

  Then, the cylinder rod of the reflecting plate cylinder 51 of the reflecting unit 50 is extended to position the reflecting plate 52 substantially equal to or below the liquid level of the liquid medium in the storage tank 41.

  Next, the ultrasonic transducer 42 attached to the back surface of the storage tank 41 is operated to vibrate the bottom plate of the storage tank 41 in the thickness direction. At this time, the vibration generated by the ultrasonic vibrator 42 is transmitted as a longitudinal vibration wave toward the particle P through the liquid medium, and the particle P is ultrasonically vibrated. As a result, the object to be processed such as carbon nanocoil grown on the surface of the particle P cannot follow the ultrasonic vibration of the particle P, and the surface layer portion of the object to be processed is separated from the particle P and mixed in the liquid medium. Will come to be.

  Note that the peeling apparatus 10 according to the present embodiment has a function of appropriately controlling the ultrasonic output and ultrasonic time of the ultrasonic transducer 42, and excessively superfluous the object to be processed such as carbon nanocoils. Suppressing the application of sonic vibrations makes it possible to collect carbon nanocoils with the longest possible length.

  Then, the cylinder rod of the first discharge cylinder 61 of the discharge unit 60 is extended every predetermined time after the ultrasonic vibrator 42 is operated. As a result, the support belt 65 wound around the discharge roller 63 and the guide roller 64 is loosened, and the storage tank 41 is rotated with the support shaft 43 at the left end of the storage tank 41 as a fulcrum. The part is inclined downward, and the liquid medium including the object to be processed in the storage tank 41 is discharged to the collection unit 70 on the downstream side. At this time, the particles P cannot pass through the filter part 48 and adhere to the surface of the filter part 48.

  The liquid medium containing the object to be processed discharged from the storage tank 41 flows out downward along the recovery guide plate 72 above the recovery unit 70, flows through the liquid medium recovery nozzle 75 from the drain port, and reaches the storage tank 80 side. To be drained.

  And after discharging the liquid medium containing the to-be-processed object from the said storage tank 41, the cylinder rod of the 1st discharge cylinder 61 is retracted, and the support belt 65 is made to raise the right side edge part of the storage tank 41 upwards. Pull and hold the storage tank 41 horizontally. Then, the liquid medium is supplied from the liquid supply unit 46 toward the surface of the filter unit 48, the particles P adhering to the surface of the filter unit 48 are washed away, and the particles P are stored in the storage tank 41 together with the liquid medium. And the particle | grains P with which the to-be-processed object remains are ultrasonically vibrated again, and the remaining to-be-processed objects are peeled. By repeating such steps, the object to be processed is completely peeled from the surface of the particles P.

  Next, the cylinder rod of the second discharge cylinder 62 of the discharge unit 60 is retracted. As a result, the support belt 65 wound around the discharge roller 63 and the guide roller 64 is loosened, and the storage tank 41 is rotated with the support shaft 43 at the right end of the storage tank 41 as a fulcrum. The part is inclined downward, and the liquid medium containing the particles P in the storage tank 41 is discharged to the particle recovery tank 74.

  The liquid medium containing the particles P discharged from the storage tank 41 flows downward along the discharge guide plate 73 above the particle recovery tank 74 and passes through a filter provided on the bottom plate of the particle recovery tank 74. Only flows down into the recovery tank 71.

  Thereafter, the cylinder rod of the second discharge cylinder 62 is extended, the support belt 65 is pulled in a direction to lift the left end of the storage tank 41 upward, the storage tank 41 is held horizontally, and then the particles P and Wait until the liquid medium is supplied.

  When the above-described processing is repeated and a predetermined amount or more of the liquid medium containing the object to be processed is collected in the tank main body 81 of the storage tank 80, the operator removes the tank main body 81 and processes the next processing step. Transport to equipment.

  As described above, according to the peeling apparatus 10 according to the present embodiment, the vibration generated by the ultrasonic vibrator 42 is transmitted to the particle P via the liquid medium, and the particle P is ultrasonically vibrated. The object to be processed such as carbon nanocoil grown on the surface of the material cannot follow the ultrasonic vibration of the particles P, and the surface layer portion of the object to be processed is separated from the surface of the particles P and mixed in the liquid medium.

  As described above, since the object to be processed can be uniformly peeled from the entire surface of the particle P simply by ultrasonically vibrating the particle P, it is possible to efficiently collect a large amount of the object to be processed. Further, since the amount of the liquid medium stored in the storage tank 41 is a minimum amount necessary for vibrating the particles P, it is advantageous for cost reduction.

  Further, since the object to be processed is grown on the entire surface of the particle P, the surface area for growing the object to be processed is wider than in the case where the object to be processed is grown on the surface of the substrate as in the prior art. Can be secured. As a result, the amount of objects to be processed that can be processed at a time can be increased, and a larger amount of objects to be processed can be efficiently recovered than in the past.

  Furthermore, in the present invention, since the peeling ability for peeling the object to be processed from the surface of the particles P is very high, the output of the ultrasonic vibrator can be reduced and the power of the ultrasonic vibration can be reduced. It is possible to perform the work of collecting the object to be processed well.

  In the present embodiment, the carbon nanocoil has been described as an example of the object to be grown on the surface of the particle P. However, the present invention can be applied to various other materials such as carbon nanotubes.

  As described above, the present invention can provide a peeling device that can collect a large amount of objects to be processed such as carbon nanocoils in a short period of time, so that a highly practical effect can be obtained. It is useful and has high industrial applicability.

It is a front view which shows the structure of the peeling apparatus which concerns on embodiment of this invention. It is a side view which shows the structure of the peeling apparatus which concerns on this embodiment. It is a top view which shows the structure of the peeling apparatus which concerns on this embodiment. It is a front view which partially enlarges and shows the apparatus structure around a vibration unit.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Separation device 20 Particle supply unit 30 Inclined plate 41 Reservoir 42 Ultrasonic vibrator 45 Liquid supply unit 52 Reflector plate 60 Discharge unit P Particle

Claims (8)

  1. A stripping device for stripping and recovering an object to be processed grown on the surface of the particle from the particle,
    A storage tank for storing a liquid medium as a vibration transmission medium;
    An ultrasonic transducer that vibrates the liquid medium in the storage tank;
    The particles are supplied to the storage tank, and the vibration of the ultrasonic vibrator is transmitted to the particles via a liquid medium to vibrate the particles, thereby separating the object to be processed from the particles and the liquid medium. A peeling device characterized in that it is collected together.
  2. In claim 1,
    Liquid supply means for supplying a liquid medium to the storage tank;
    An inclined plate disposed on the upstream side of the storage tank and inclined downward toward the storage tank;
    Particle supply means for supplying the particles to the upper surface of the inclined plate,
    The liquid supply means is configured to supply a liquid medium to the inclined plate, thereby causing the particles deposited on the inclined plate to flow in an inclined direction, and supply the particles together with the liquid medium to the storage tank. Peeling device characterized by being made.
  3. In claim 1 or 2,
    A peeling device, wherein a reflection plate facing the bottom plate of the storage tank is disposed above the storage tank.
  4. In claim 3,
    An exfoliation device in which an uneven part is formed in the undersurface of the reflector.
  5. In claim 3 or 4,
    The peeling device is configured to be movable in an in-plane direction along a liquid surface of a liquid medium stored in the storage tank.
  6. In any one of Claims 3 thru | or 5,
    The peeling apparatus, wherein the ultrasonic transducer is attached to an upper surface of the reflecting plate.
  7. In any one of Claims 1 thru | or 6,
    Inclining the storage tank, comprising a discharge means for discharging the object to be processed separated from the particles to a predetermined recovery position together with the liquid medium,
    The exfoliation device, wherein the discharge means is configured to incline the storage tank toward the collection position every predetermined time.
  8. In claim 7,
    The discharge means is configured to incline the storage tank toward a predetermined discharge position different from the collection position, and discharge and collect the particles together with the liquid medium to the discharge position. A peeling device characterized by the above.
JP2008092392A 2008-03-31 2008-03-31 Peeling device Active JP5240993B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011235259A (en) * 2010-05-13 2011-11-24 Sawa Corporation Device for removing adhered substance

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008037694A (en) * 2006-08-04 2008-02-21 Mitsubishi Heavy Ind Ltd Nanocarbon material production apparatus and nanocarbon material purification method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008037694A (en) * 2006-08-04 2008-02-21 Mitsubishi Heavy Ind Ltd Nanocarbon material production apparatus and nanocarbon material purification method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011235259A (en) * 2010-05-13 2011-11-24 Sawa Corporation Device for removing adhered substance

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