JP2002018269A - Powder quantitative supply apparatus - Google Patents
Powder quantitative supply apparatusInfo
- Publication number
- JP2002018269A JP2002018269A JP2000204008A JP2000204008A JP2002018269A JP 2002018269 A JP2002018269 A JP 2002018269A JP 2000204008 A JP2000204008 A JP 2000204008A JP 2000204008 A JP2000204008 A JP 2000204008A JP 2002018269 A JP2002018269 A JP 2002018269A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- volume space
- powder supply
- supply pipe
- measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は粉体の供給装置、特
に構造が簡単で、微量の粉体を安定して迅速に計量して
供給しうる粉体定量供給装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a powder feeding apparatus, and more particularly to a powder feeding apparatus which has a simple structure and can measure and feed a small amount of powder stably and quickly.
【0002】[0002]
【従来の技術】従来、粉体を定量的に供給する方法とし
ては電子天秤やロードセル等の重量センサーを用いて重
量計量する方式、容積空間に粉体を充填して容積計量す
る方式、回転するテーブル上に堆積させた粉体を掻き出
し板で掻き落す方式、あるいは粉体を回転スクリューか
ら押出し排出する方式が用いられていた。2. Description of the Related Art Conventionally, methods for quantitatively supplying powder include a method of weighing using a weight sensor such as an electronic balance or a load cell, a method of measuring the volume by filling powder in a volume space, and a method of rotating. A method of scraping powder deposited on a table with a scraping plate or a method of extruding and discharging powder from a rotary screw has been used.
【0003】しかし、粉体を電子天秤やロードセル等の
重量センサーを用いて重量計量する方式では、重量セン
サー特有のゆれによる計量不能や計量値のばらつきを処
理する平均化処理に時間がかかり、秒単位で粉体供給を
安定して行うことが困難であった。また容積空間に粉体
を充填して容積計量する方式は粉体によっては充填密度
を一定にすることが困難で重量換算するとばらつきが大
きい場合があった。However, in the method of weighing powder using a weight sensor such as an electronic balance or a load cell, it takes a long time to perform an averaging process for dealing with weighing inability due to fluctuation inherent in the weight sensor and variations in the weighed value. It has been difficult to stably supply powder in units. Further, in a method of filling a volume space with powder and weighing the volume, it is difficult to make the filling density constant depending on the powder, and there is a case where the dispersion is large in terms of weight.
【0004】回転するテーブル上に堆積させた粉体を掻
き出し板で掻き落すテーブル方式や粉体を回転押し出し
排出するスクリュー方式では、装置にテーブルやスクリ
ューを組込むため小型軽量化が困難で、ロボットや分析
計に組込むことが困難であった。In a table system in which powder deposited on a rotating table is scraped off by a scraping plate or in a screw system in which powder is extruded and discharged, it is difficult to reduce the size and weight because a table or a screw is incorporated in the apparatus. It was difficult to incorporate into the analyzer.
【0005】[0005]
【発明が解決しようとする課題】本発明はかかる課題を
解決し小さい容積空間に均一に粉体を充填し次に排出す
る動作を短時間で繰り返すことが可能で、安定して一定
量の粉体を供給することが可能な粉体定量供給装置を提
供することにある。また最近の小型化軽量化ニーズに応
えるものである。SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems, and it is possible to repeat the operation of uniformly filling a small volume of powder and then discharging the powder in a short time, and to stably supply a constant amount of powder. An object of the present invention is to provide a powder quantitative supply device capable of supplying a body. It also meets recent needs for miniaturization and weight reduction.
【0006】[0006]
【課題を解決するための手段】本発明はかかる目的を達
成するため鋭意検討した結果なされたもので、中空管体
からなる粉体供給管の一端に粉体供給容器を接続し、棒
状体の表面に小容積空間を穿設して形成した計量容積空
間を有する計量器を軸回転自在、かつ、粉体供給管の上
下を遮断する状態に装着すると共に、粉体供給管の管側
部に振動発生装置を配設し、計量器の計量容積空間を上
方に位置せしめ粉体供給容器から粉体供給管に供給され
た粉体を振動発生装置の振動により計量器の計量容積空
間に充填し、次いで計量器を回転して計量容積空間を下
方に位置せしめて振動発生装置の振動により粉体を計量
容積空間から下方に落下せしめ粉体供給管の出口から粉
体を下方に排出することにより一定量の粉体を取り出す
ようにしたことを特徴とする粉体定量供給装置を提供す
ることにある。SUMMARY OF THE INVENTION The present invention has been made as a result of intensive studies in order to achieve the above object, and comprises connecting a powder supply container to one end of a powder supply tube composed of a hollow tube, thereby forming a rod-shaped member. A measuring instrument having a measuring volume space formed by perforating a small volume space on the surface of the powder supply tube is mounted so that it can rotate freely and shuts off the top and bottom of the powder supply tube. Vibration generator is installed in the measuring device, and the measuring volume space of the measuring device is positioned above, and the powder supplied from the powder supply container to the powder supply pipe is filled into the measuring volume space of the measuring device by the vibration of the vibration generating device. Then, rotate the measuring device to position the measuring volume space downward, drop the powder from the measuring volume space downward by the vibration of the vibration generator, and discharge the powder downward from the outlet of the powder supply pipe. To take out a certain amount of powder And to provide a quantitative powder supply device according to symptoms.
【0007】また、振動装置によって発生した振動が粉
体供給管と計量器に振動を与える上記の粉体定量供給装
置を提供することにある。It is another object of the present invention to provide the above-mentioned fixed powder supply apparatus in which the vibration generated by the vibration device vibrates the powder supply pipe and the measuring instrument.
【0008】また、振動発生装置は圧電振動子、磁歪振
動子、電磁振動子、空圧式振動子またはモーターによる
回転振動器とし超音波または可聴波領域周波数で駆動さ
れる上記の粉体定量供給装置を提供することにある。[0008] The vibration generator may be a piezoelectric vibrator, a magnetostrictive vibrator, an electromagnetic vibrator, a pneumatic vibrator or a rotary vibrator by a motor. Is to provide.
【0009】[0009]
【作用】本発明は、振動発生装置により粉体が円滑に計
量器の計量容積空間に供給充填されると共に、計量器は
振動発生装置によって振動されて粉体は計量器の計量容
積空間に充填され、計量容積空間の容積量に相当する粉
体が正確に計量される。According to the present invention, the powder is smoothly supplied to and filled in the measuring volume space of the measuring device by the vibration generating device, and the powder is filled into the measuring volume space of the measuring device by vibrating the measuring device by the vibration generating device. The powder corresponding to the volume of the measuring volume space is accurately measured.
【0010】[0010]
【発明の実施の形態】本発明の実施例を図1ないし図6
を用いて説明する。1 to 6 show an embodiment of the present invention.
This will be described with reference to FIG.
【0011】図1は本発明の粉体定量供給装置1で、粉
体定量供給装置1は粉体供給管2、計量容積空間3を穿
設した計量器4、振動発生装置5、交流電源6、計量器
回転装置7、粉体供給容器8から構成されている。FIG. 1 shows a powder quantitative supply device 1 of the present invention. The powder quantitative supply device 1 includes a powder supply pipe 2, a measuring device 4 having a measuring volume space 3, a vibration generator 5, and an AC power supply 6. , A measuring device rotating device 7 and a powder supply container 8.
【0012】粉体供給管2の上部は粉体供給容器8に連
結され、粉体供給管2の中間部に管軸と直角に穿孔した
円孔には丸棒状の計量器4が軸回転自在にはめ込み挿入
される。この場合、図2に示すように粉体供給管2の内
壁は計量器4の表面に沿う形状に賦形され、粉体供給管
2の上下が計量器4によって遮断されるように形成され
る。これによって粉体供給管2から計量器4の計量容積
空間3へ粉体が安定して移動充填され、計量容積空間3
に粉体が充填された後図6のように計量器4を180度
回転させて粉体を排出することが出来る。An upper portion of the powder supply pipe 2 is connected to a powder supply container 8, and a round bar-shaped measuring device 4 is rotatable in a circular hole formed at an intermediate portion of the powder supply pipe 2 at right angles to the pipe axis. It is inserted and inserted. In this case, as shown in FIG. 2, the inner wall of the powder supply pipe 2 is formed in a shape along the surface of the measuring device 4, and the upper and lower portions of the powder supply tube 2 are formed so as to be blocked by the measuring device 4. . As a result, the powder is stably moved and filled from the powder supply pipe 2 into the measuring volume space 3 of the measuring device 4, and the measuring volume space 3
After the powder is filled, the powder can be discharged by rotating the measuring device 4 by 180 degrees as shown in FIG.
【0013】また、粉体供給管2の側管部に振動発生装
置5が配設されている。A vibration generator 5 is provided on the side pipe of the powder supply pipe 2.
【0014】振動発生装置5としての振動子には圧電振
動子、磁歪振動子、電磁振動子、空圧式振動子またはモ
ーターによる回転振動器を用いることが出来る。圧電振
動子の場合、電圧はピーク対ピーク0〜300ボルトの
交流電源6によって交流電圧が印加される。周波数は2
0ヘルツ〜1000ヘルツ程度の可聴波領域の振動周波
数が好ましいが粉体種類によっては20キロヘルツ〜2
00キロヘルツの超音波領域の振動周波数であってもよ
い。As the vibrator as the vibration generator 5, a piezoelectric vibrator, a magnetostrictive vibrator, an electromagnetic vibrator, a pneumatic vibrator, or a rotary vibrator using a motor can be used. In the case of a piezoelectric vibrator, an AC voltage is applied by an AC power supply 6 having a peak to peak voltage of 0 to 300 volts. Frequency is 2
A vibration frequency in the audible wave range of about 0 Hz to 1000 Hz is preferable, but 20 kHz to 2 kHz depending on the type of powder.
The vibration frequency in the ultrasonic range of 00 kHz may be used.
【0015】振動発生装置5としての振動周波数は、粉
体の粒径や付着性や比重等の粉体物性に合わせて、最適
振動周波数が選択できるようにすると良い。It is preferable that the vibration frequency of the vibration generator 5 can be selected according to the powder physical properties such as the particle size, adhesion and specific gravity of the powder.
【0016】また振動発生装置5の圧電振動子の印加時
間はパルス的に変化させてもよい。The application time of the piezoelectric vibrator of the vibration generator 5 may be changed in a pulsed manner.
【0017】振動発生装置5となる圧電振動子は図2に
示すように粉体供給管2の断面外壁が半径方向の振動
(r方向)を起こすような振動を発生させることができ
る。As shown in FIG. 2, the piezoelectric vibrator serving as the vibration generating device 5 can generate vibration such that the outer wall of the cross section of the powder supply pipe 2 causes radial vibration (r direction).
【0018】この振動は、減衰の小さい振動であり粉体
供給管2と粉体供給管2に挿入された計量器4とを振動
させる。This vibration is a vibration with small attenuation, and oscillates the powder supply pipe 2 and the measuring device 4 inserted in the powder supply pipe 2.
【0019】振動発生装置5で発生した振動は粉体供給
管2と計量器4に伝播し、粉体供給容器8にも伝わって
粉体供給管2への粉体取込の作用に寄与する。The vibration generated by the vibration generator 5 propagates to the powder supply pipe 2 and the measuring device 4, and also to the powder supply container 8, and contributes to the operation of taking the powder into the powder supply pipe 2. .
【0020】振動発生装置5の圧電振動子としては、図
3に示すように厚み0.2〜1ミリメートルのセラミッ
クPZT9を両側から電極10、10で挟み込むと共に
厚さ0.1〜0.3ミリメートルの金属板11を張り合
わせた単一板(ユニモルフ)を用いることができる。電
極間に電圧を印加することでセラミックは伸縮するが、
片面が金属板11に張り付けられているため張り付け面
の伸縮が抑えられて図4(A)、(B)に示すように、
ユニモルフが反り返り運動を繰り返して振動を発生す
る。As a piezoelectric vibrator of the vibration generator 5, as shown in FIG. 3, a ceramic PZT 9 having a thickness of 0.2 to 1 mm is sandwiched between electrodes 10 and 10 from both sides and a thickness of 0.1 to 0.3 mm is provided. A single plate (unimorph) in which the metal plates 11 are bonded together can be used. The ceramic expands and contracts by applying a voltage between the electrodes,
Since one side is attached to the metal plate 11, expansion and contraction of the attached surface is suppressed, and as shown in FIGS. 4 (A) and 4 (B),
The unimorph repeats the warping motion to generate vibration.
【0021】また、図4では圧電振動子は一層のみであ
るが図5に示すように金属板11を挟んで2個の圧電振
動子を積層したサンドイッチタイプ(バイモルフタイ
プ)にすればさらに励起振動は大きくでき、粉体供給管
2と粉体計量器4に伝わる振動も強くなり充填効率をあ
げることが出来る。In FIG. 4, only one piezoelectric vibrator is provided. However, as shown in FIG. 5, if a sandwich type (bimorph type) in which two piezoelectric vibrators are laminated with a metal plate 11 interposed therebetween is used, the excitation vibration is further increased. Can be increased, the vibration transmitted to the powder supply pipe 2 and the powder meter 4 can be increased, and the filling efficiency can be increased.
【0022】粉体供給管2の部材としては、振動減衰の
小さい金属材料や、ポリアクリル酸エステル、ナイロ
ン、フロン樹脂、ポリカーボネート、ポリプロピレン、
ポリスチロール等の振動減衰の小さいプラスチック材料
が好ましい。Examples of the material of the powder supply pipe 2 include a metal material having a small vibration damping, polyacrylate, nylon, CFC, polycarbonate, polypropylene, and the like.
A plastic material with small vibration damping such as polystyrene is preferable.
【0023】粉体供給管2と計量器4は特に回転接触面
の低摩擦性材料のフロン樹脂等が好ましく、粉体供給管
2と粉体供給管2の穿孔部に挿入されて回転する計量器
4がフロン樹脂の場合は接触回転時の摩擦抵抗が小さく
回転がスムーズに行われ、また計量容積空間3に充填し
た粉体の計量器4からの粉体の剥離、排出もよい。The powder supply pipe 2 and the meter 4 are preferably made of fluorocarbon resin or the like, which is a low-friction material on the rotating contact surface. The powder supply pipe 2 and the measuring instrument which is inserted into the perforated portion of the powder supply pipe 2 and rotates. When the container 4 is made of fluorocarbon resin, the frictional resistance during the contact rotation is small and the rotation is performed smoothly, and the powder filled in the measuring volume space 3 may be peeled and discharged from the measuring device 4.
【0024】また、粉体供給管2は粉体出口側を下方に
し傾斜した状態に設置してもよいが垂直方向にすると粉
体自身の落下重力が有効に加わり、充填及び排出の効果
が向上する。Further, the powder supply pipe 2 may be installed in an inclined state with the powder outlet side downward, but when the powder supply pipe 2 is set vertically, the falling gravity of the powder itself is effectively added, and the filling and discharging effects are improved. I do.
【0025】計量器4の計量容積空間3の開口部の中心
と粉体供給管2の中空部の中心軸は一致させることが好
ましいが、粉体移動が可能で接続部で外部に粉体が流出
しない構造であれば、必ずしも中心軸が合っていなくて
も良い。It is preferable that the center of the opening of the measuring volume space 3 of the measuring device 4 and the center axis of the hollow portion of the powder supply pipe 2 coincide with each other. If the structure does not flow out, the central axes do not necessarily have to be aligned.
【0026】また、粉体供給管2の断面は必ずしも断面
が円形である必要はなく、端面以外に開口部を持たない
構造であればよい。また、粉体供給管2は粉体の流れ抵
抗を少なくするために直管が好ましいが、曲管でもよ
い。The cross section of the powder supply pipe 2 does not necessarily have to be circular, and may have a structure having no opening other than the end face. The powder supply pipe 2 is preferably a straight pipe in order to reduce the flow resistance of the powder, but may be a curved pipe.
【0027】粉体供給管2と計量器4の挿入接続方法
は、計量器4が回転出来る程度の固めの挿入でも良い
が、Oリングを使用して粉体が外部に流出しないように
しても良い。The powder supply pipe 2 and the measuring instrument 4 may be inserted and connected firmly so that the measuring instrument 4 can be rotated. However, the powder may be prevented from flowing out using an O-ring. good.
【0028】本発明装置によって粉体を一定量づつ取出
すときは、粉体供給容器8を上部に連結した粉体供給管
2に、計量容積空間3を加工した計量器4を装着し、計
量器4の計量容積空間3を粉体供給管2の上部中空部に
位置させる。When a predetermined amount of powder is taken out by the apparatus of the present invention, the measuring device 4 having the measuring volume space 3 attached thereto is attached to the powder supply pipe 2 having the powder supplying container 8 connected to the upper portion. 4 is positioned in the upper hollow portion of the powder supply pipe 2.
【0029】この状態で粉体供給管2と計量容積空間3
を加工した計量器4を振動発生装置5で駆動すると、粉
体供給管2と計量器4が振動する。In this state, the powder supply pipe 2 and the measuring volume space 3
When the measuring device 4 that has been processed is driven by the vibration generator 5, the powder supply pipe 2 and the measuring device 4 vibrate.
【0030】振動は粉体供給容器8にも伝播して粉体は
粉体供給容器8から粉体供給管2の中空部に落下し粉体
供給管2に連続的に取り入られる。粉体供給管2にとり
込まれた粉体は、粉体供給管2の内壁面から伝播した振
動により粉体供給管2に装着された計量器4の計量容積
空間3に充填される。粉体供給管2は中空状のため管内
の粉体は半径方向への逃げ道がなく、次々に取り込まれ
る粉体は振動により圧縮された圧送状態となり計量容積
空間3に押し込まれる。The vibration also propagates to the powder supply container 8, and the powder falls from the powder supply container 8 into the hollow portion of the powder supply pipe 2 and is continuously taken into the powder supply pipe 2. The powder taken into the powder supply pipe 2 fills the measuring volume space 3 of the measuring device 4 mounted on the powder supply pipe 2 by the vibration propagated from the inner wall surface of the powder supply pipe 2. Since the powder supply pipe 2 is hollow, the powder in the pipe has no escape route in the radial direction, and the powder taken in one after another is brought into a compressed state by vibration and pushed into the measuring volume space 3.
【0031】粉体供給管2に連続してとり込まれるの粉
体は、振動する壁面による流動効果による粉体と内壁と
の摩擦抵抗が減少した状態での粉体にかかる重力押込力
によって、計量器4の計量容積空間3に押し込まれた粉
体を圧縮し圧入充填する。The powder continuously taken into the powder supply pipe 2 is subjected to a gravitational pushing force applied to the powder in a state where the frictional resistance between the powder and the inner wall is reduced by the flow effect of the vibrating wall surface. The powder pressed into the measuring volume space 3 of the measuring device 4 is compressed and press-fitted.
【0032】次に、粉体を充填した計量器4の計量容積
空間3の位置を下方に回転移動すると、振動により粉体
は下方に落下排出する。Next, when the position of the measuring volume space 3 of the measuring device 4 filled with the powder is rotationally moved downward, the powder is dropped and discharged downward by vibration.
【0033】振動発生装置5の印加電力及び励振周波数
を一定に維持すれば、充填された粉体の計量容積空間3
での嵩密度は、充填、排出を繰り返しても、毎回一定に
維持されて、重量換算値も一定となる。If the applied power and the excitation frequency of the vibration generator 5 are kept constant, the volume 3 of the filled powder can be measured.
The bulk density is kept constant every time even if filling and discharging are repeated, and the weight conversion value is also constant.
【0034】振動発生装置5で粉体供給管2と計量器4
に加える振動は、回転中連続でも良く、計量容積空間3
が充填と排出に位置したのみに限定して加振して、回転
時は停止しても良い。また、計量容積空間3が粉体充填
位置に来た時に回転を一定時間停止してもよい。また、
計量容積空間3が粉体排出位置に来た時に回転を一定時
間停止してもよい。また回転速度は自由に決めて良い。The powder supply pipe 2 and the measuring device 4 are
Vibration applied to the measuring volume space 3 may be continuous during rotation.
Vibration may be limited only to the positions of filling and discharging, and may be stopped during rotation. Further, the rotation may be stopped for a certain time when the measuring volume space 3 reaches the powder filling position. Also,
The rotation may be stopped for a certain time when the measuring volume space 3 reaches the powder discharging position. The rotation speed may be freely determined.
【0035】[0035]
【実施例】粉体供給管2と計量器4をフロン樹脂として
図1に示す装置を製作した。粉体供給管2は、外径20
ミリメートル、内径8ミリメートル、長さを40ミリメ
ートルの管状とし、側部に振動発生装置5の圧電振動子
を圧接した。EXAMPLE An apparatus shown in FIG. 1 was manufactured using a powder supply pipe 2 and a measuring instrument 4 as a fluorocarbon resin. The powder supply pipe 2 has an outer diameter of 20.
The piezoelectric vibrator of the vibration generator 5 was press-contacted to the side of a tube having a diameter of 8 mm, an inner diameter of 8 mm, and a length of 40 mm.
【0036】計量器4は外径10ミリメートル、長さを
50ミリメートルの丸棒状とし、一方の端部から10ミ
リメートルを中心として表面に直径4ミリメートル、深
さ2ミリメートルの半球形の計量容積空間3を加工し
た。The measuring device 4 has a round bar shape having an outer diameter of 10 mm and a length of 50 mm, and a hemispherical measuring volume space 3 having a diameter of 4 mm and a depth of 2 mm on the surface centered at 10 mm from one end. Was processed.
【0037】粉体供給管2の軸方向の中間部に直径10
ミリメートルの穴を穿孔して、計量器4の計量容積空間
3が粉体供給管2の中空部の中央に位置するように計量
器4を挿入して図1のように装着し、計量器4に計量器
回転装置7を接続して計量器4が回転するようにし、粉
体供給管2の一端に粉体供給容器8を取付して上方にし
粉体供給管3を垂直にして、粉体に重力が働くようにし
た。The diameter of the powder supply pipe 2 is
A millimeter hole is drilled, and the measuring device 4 is inserted so that the measuring volume space 3 of the measuring device 4 is located at the center of the hollow portion of the powder supply pipe 2 and mounted as shown in FIG. Is connected to a powder supply container 8 at one end of the powder supply pipe 2 so that the powder supply pipe 3 is vertical, and Gravity works.
【0038】平均粒径10ミクロンの酸化アルミニウム
成分82パーセントの粉体を用いて計量器4の計量容積
空間3への充填実験を行った。A filling experiment was carried out into the measuring volume space 3 of the measuring device 4 by using powder of 82 percent of an aluminum oxide component having an average particle size of 10 microns.
【0039】振動発生装置5を振動周波数を400ヘル
ツ、電圧をピーク対ピーク200ボルト励振とし、計量
器4の1回転を5秒間として、100回連続して排出さ
れた粉体を電子天秤で重量計量し測定を行った。The vibration generator 5 was set to a vibration frequency of 400 Hz, the voltage was excited at a peak-to-peak voltage of 200 volts, and the rotation of the measuring instrument 4 was made for 5 seconds. Weighed and measured.
【0040】充填量は最大0.065グラム、最少0.
052グラム、平均の充填量は0.059グラムであっ
た。The maximum filling amount is 0.065 g, and the minimum filling amount is 0.065 g.
052 grams, average fill was 0.059 grams.
【0041】[0041]
【発明の効果】以上説明したように本発明によれば、粉
体供給管と計量器を接続した粉体定量供給装置を、振動
発生装置によって一定電力、一定周波数で励振し、粉体
を重力で圧送し、充填と排出を繰り返して、一定量の粉
体を迅速に安定して効率的に供給することが出来る。As described above, according to the present invention, the powder quantitative supply device in which the powder supply pipe and the measuring device are connected is excited by the vibration generator at a constant power and a constant frequency, and the powder is gravitationally moved. , And filling and discharging can be repeated to supply a fixed amount of powder quickly, stably and efficiently.
【図1】本発明の第一実施例の一部切欠側面図。FIG. 1 is a partially cutaway side view of a first embodiment of the present invention.
【図2】図1のA−A断面図。FIG. 2 is a sectional view taken along line AA of FIG.
【図3】可聴波圧電振動子の一例を示す一縦断面図。FIG. 3 is a longitudinal sectional view showing an example of an audible wave piezoelectric vibrator.
【図4】(A)、(B)は可聴波圧電振動子の反り返し
振動を示す縦断面図。FIGS. 4A and 4B are longitudinal cross-sectional views illustrating warping vibration of an audible piezoelectric vibrator.
【図5】可聴波圧電振動子の他の例を示す縦断面図。FIG. 5 is a longitudinal sectional view showing another example of the audible wave piezoelectric vibrator.
【図6】粉体計量器の計量容積空間を移動させた縦断面
図。FIG. 6 is a vertical cross-sectional view of the powder weighing device in which a measuring volume space is moved.
1 粉体定量供給装置 2 粉体供給管 3 計量容積空間 4 計量器 5 振動発生装置 6 交流電源 7 計量器回転装置 8 粉体供給容器 9 セラミックPZT 10 電極 11 金属板 REFERENCE SIGNS LIST 1 powder fixed quantity supply device 2 powder supply tube 3 measuring volume space 4 measuring device 5 vibration generator 6 AC power supply 7 measuring device rotating device 8 powder supply container 9 ceramic PZT 10 electrode 11 metal plate
Claims (4)
体供給容器を接続し、棒状体の表面に小容積空間を穿設
して形成した計量容積空間を有する計量器を軸回転自
在、かつ、粉体供給管の上下を遮断する状態に装着する
と共に、粉体供給管の管側部に振動発生装置を配設し、
計量器の計量容積空間を上方に位置せしめ粉体供給容器
から粉体供給管に供給された粉体を振動発生装置の振動
により計量器の計量容積空間に充填し、次いで計量器を
回転して計量容積空間を下方に位置せしめて振動発生装
置の振動により粉体を計量容積空間から下方に落下せし
め粉体供給管の出口から粉体を下方に排出することによ
り一定量の粉体を取り出すようにしたことを特徴とする
粉体定量供給装置。1. A measuring instrument having a measuring volume space formed by connecting a powder feeding container to one end of a powder feeding tube formed of a hollow tubular body and forming a small volume space in the surface of a rod-like body. It is rotatable and mounted so that the top and bottom of the powder supply pipe are shut off, and a vibration generator is arranged on the side of the powder supply pipe,
With the measuring volume space of the measuring device positioned above, the powder supplied from the powder supply container to the powder supply tube is filled into the measuring volume space of the measuring device by the vibration of the vibration generator, and then the measuring device is rotated. The metering volume space is positioned below, the powder is dropped from the metering volume space by the vibration of the vibration generator, and a certain amount of powder is taken out by discharging the powder downward from the outlet of the powder supply pipe. A fixed-quantity powder supply apparatus characterized in that:
体供給管と計量器に振動を与える請求項1記載の粉体定
量供給装置。2. The powder quantitative supply device according to claim 1, wherein the vibration generated by the vibration generator gives vibration to the powder supply pipe and the measuring instrument.
体供給容器を連結し、粉体供給管の中間位置を穿孔し
て、その孔に回転自在、かつ、粉体供給管の上下を遮断
するように棒状体からなる計量器を水平に挿入して、計
量器の計量容積空間が粉体供給管の中空部に位置するよ
うに設置し、計量容積空間に粉体を充填する時は計量器
の計量容積空間が粉体供給管の上方開口部に位置し、粉
体排出時には計量器が回転して計量容積空間が粉体供給
管の下方開口部に位置して粉体が落下するようにした請
求項1または2記載の粉体定量供給装置。3. A powder supply container is connected upward with the powder supply pipe as a vertical direction, an intermediate position of the powder supply pipe is pierced, and the powder supply pipe is rotatable and vertically rotatable. When the measuring device consisting of a rod is inserted horizontally so as to shut off the powder, it is installed so that the measuring volume space of the measuring device is located in the hollow part of the powder supply pipe, and the powder is filled into the measuring volume space. Is located at the upper opening of the powder supply tube when the measuring volume space of the measuring device is positioned, and when the powder is discharged, the measuring device rotates and the measuring volume space is positioned at the lower opening portion of the powder supply tube and the powder falls. The powder quantitative supply device according to claim 1, wherein
子、電磁振動子、空圧式振動子またはモーターによる回
転振動器とし超音波または可聴波領域周波数で駆動され
る請求項1ないし3いずれかに記載の粉体定量供給装
置。4. The vibration generator according to claim 1, wherein the vibration generator is a piezoelectric vibrator, a magnetostrictive vibrator, an electromagnetic vibrator, a pneumatic vibrator, or a rotary vibrator formed by a motor, and is driven at an ultrasonic or audible wave frequency. The powder quantitative supply device according to 4.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000204008A JP2002018269A (en) | 2000-07-05 | 2000-07-05 | Powder quantitative supply apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000204008A JP2002018269A (en) | 2000-07-05 | 2000-07-05 | Powder quantitative supply apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2002018269A true JP2002018269A (en) | 2002-01-22 |
Family
ID=18701339
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000204008A Pending JP2002018269A (en) | 2000-07-05 | 2000-07-05 | Powder quantitative supply apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2002018269A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008156114A1 (en) * | 2007-06-19 | 2008-12-24 | Lifetech Co., Ltd. | Powder measuring device, sample preparing device, and method of preparing sample |
EP3053862A3 (en) * | 2015-02-03 | 2016-10-05 | Alfons Tschritter GmbH | Metering method and device for bulk material particles |
WO2019208356A1 (en) * | 2018-04-27 | 2019-10-31 | 国立研究開発法人産業技術総合研究所 | Sample introduction device and analysis device |
JP2020534546A (en) * | 2017-09-18 | 2020-11-26 | バルダ メディカル ゲーエムベーハー ウント コンパニー カーゲー | Devices for weighing and administering materials and how to operate such devices |
-
2000
- 2000-07-05 JP JP2000204008A patent/JP2002018269A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008156114A1 (en) * | 2007-06-19 | 2008-12-24 | Lifetech Co., Ltd. | Powder measuring device, sample preparing device, and method of preparing sample |
EP3053862A3 (en) * | 2015-02-03 | 2016-10-05 | Alfons Tschritter GmbH | Metering method and device for bulk material particles |
JP2020534546A (en) * | 2017-09-18 | 2020-11-26 | バルダ メディカル ゲーエムベーハー ウント コンパニー カーゲー | Devices for weighing and administering materials and how to operate such devices |
WO2019208356A1 (en) * | 2018-04-27 | 2019-10-31 | 国立研究開発法人産業技術総合研究所 | Sample introduction device and analysis device |
JPWO2019208356A1 (en) * | 2018-04-27 | 2021-03-18 | 国立研究開発法人産業技術総合研究所 | Sample introduction device and analyzer |
JP7016186B2 (en) | 2018-04-27 | 2022-02-04 | 国立研究開発法人産業技術総合研究所 | Sample introduction device and analyzer |
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