JPH09229752A - Particle weighing device and weighing method therefor - Google Patents
Particle weighing device and weighing method thereforInfo
- Publication number
- JPH09229752A JPH09229752A JP3186496A JP3186496A JPH09229752A JP H09229752 A JPH09229752 A JP H09229752A JP 3186496 A JP3186496 A JP 3186496A JP 3186496 A JP3186496 A JP 3186496A JP H09229752 A JPH09229752 A JP H09229752A
- Authority
- JP
- Japan
- Prior art keywords
- particles
- small
- particle
- diameter
- 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
- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、小径粒子と大径
粒子とが混合した混合粒子の重量を計量する粒子の計量
方法およびその計量方法を用いて粒子を計量する粒子計
量装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a particle measuring method for measuring the weight of mixed particles in which small particles and large particles are mixed, and a particle measuring device for measuring particles using the measuring method. .
【０００２】[0002]
【従来の技術】図９は従来の粒子計量装置の一例を示す
正面図、図１０は図９の側面図であり、１は上部と下部
とがそれぞれ開口したロート状のタンク、２はタンク１
の下方部に配置されたスクリュー形状のフィーダ、３は
フィーダ２の先端部に配置され上部が開口した計量カッ
プ、４は計量カップ３の下部に設けられ計量カップ３内
の粒子の重量を計量する荷重計、５は荷重計４に連結さ
れたモータ、６は上部と下部とが開口したロート状の中
継カップ、７は中継カップ６の下方部に配置され、上部
が開口した取出し用カップである。2. Description of the Related Art FIG. 9 is a front view showing an example of a conventional particle measuring apparatus, FIG. 10 is a side view of FIG. 9, 1 is a funnel-shaped tank having an upper portion and a lower portion opened, and 2 is a tank 1.
A screw-shaped feeder 3 arranged at the lower part of the measuring cup 3, 3 is a measuring cup arranged at the tip of the feeder 2 and having an opened upper part, 4 is provided below the measuring cup 3 to measure the weight of the particles in the measuring cup 3. Load meter, 5 is a motor connected to the load meter 4, 6 is a funnel-shaped relay cup having an open upper portion and a lower portion, and 7 is a take-out cup which is arranged below the relay cup 6 and has an open upper portion. .
【０００３】上記の粒子計量装置では、タンク１に投入
された粒子はフィーダ２によって計量カップ３に送り出
される。計量カップ３内の粒子の重量は荷重計４によっ
て連続的に計量され、その重量が設定値に達すると、フ
ィーダ２の作動は停止する。次に、モータ５の駆動によ
り計量カップ３を回転させ、計量カップ３内の粒子を中
継カップ６を通じて取出し用カップ７に移載する。In the above-mentioned particle measuring device, the particles charged in the tank 1 are sent out to the measuring cup 3 by the feeder 2. The weight of the particles in the measuring cup 3 is continuously measured by the load meter 4, and when the weight reaches the set value, the operation of the feeder 2 is stopped. Next, the measuring cup 3 is rotated by driving the motor 5, and the particles in the measuring cup 3 are transferred to the ejection cup 7 through the relay cup 6.
【０００４】[0004]
【発明が解決しようとする課題】上記構成の粒子計量装
置は以上のように構成されており、粒子の径が例えば最
大１２ｍｍのときには、その重量精度は粒子径が１２ｍ
ｍの粒子に左右される、つまり例えば設定値が５０．０
ｇ±０．２ｇ、１２ｍｍの粒子径の重量が０．５ｇであ
るとした場合、１２ｍｍ径の粒子が計量カップ３内に最
後に供給されたときに計量値が設定値の範囲内に収まら
ないことが生じることがあり、高精度の計量ができない
という問題点があった。The particle measuring device having the above-described structure is configured as described above. When the particle diameter is, for example, 12 mm at maximum, the weight accuracy is 12 m for the particle diameter.
m depends on the particles, that is, the set value is 50.0
Assuming that the weight of the particle diameter of g ± 0.2 g and the diameter of 12 mm is 0.5 g, the measured value does not fall within the set value range when the particle having the diameter of 12 mm is finally supplied into the measuring cup 3. However, there is a problem that high-accuracy weighing cannot be performed.
【０００５】この発明は、上記のような課題を解決する
ためになされたもので、小径粒子と大径粒子とが混合し
た混合粒子の重量を高精度で計量することができる粒子
計量装置、および粒子の計量方法を提供するものであ
る。The present invention has been made to solve the above problems, and a particle measuring device capable of measuring the weight of a mixed particle in which small-sized particles and large-sized particles are mixed with high accuracy, and A method for measuring particles is provided.
【０００６】[0006]
【課題を解決するための手段】この発明に係る粒子計量
装置は、粒子を貯留するタンクと、このタンクの下部に
設けられタンクから移送された粒子を大径粒子と小径粒
子とに分ける分粒手段と、この分粒手段の下部に設けら
れ分粒手段で分けられた小径粒子を貯留する小径粒子貯
留部と、この小径粒子貯留部に隣接して設けられ前記分
粒手段で分けられた大径粒子を貯留する大径粒子貯留部
と、この大径粒子貯留部の下部に設けられ大径粒子を移
送する大径粒子移送手段と、前記小径粒子貯留部の下部
に設けられ小径粒子を移送する小径粒子移送手段と、前
記大径粒子移送手段の下部に設けられ前記大径粒子移送
手段から移送される大径粒子を受け入れ、また前記小径
粒子移送手段から移送される小径粒子を受け入れる計量
カップと、この計量カップに設けられ前記粒子の重量を
計量する計量手段と、前記大径粒子移送手段の駆動によ
り前記大径粒子を前記計量カップに最初に移送し、前記
計量手段からの信号により大径粒子の重量が暫定目標値
に達した後、大径粒子移送手段の駆動を停止させ、その
後前記小径粒子移送手段の駆動により前記小径粒子を前
記計量カップに移送して前記計量手段からの信号により
前記粒子の重量が最終目標値に達した後前記小径粒子移
送手段の駆動を停止させる制御手段とを備えたものであ
る。SUMMARY OF THE INVENTION A particle measuring device according to the present invention is a particle storage device, and a particle size dividing device for separating particles transferred from the tank at the bottom of the tank into large particles and small particles. Means, a small-diameter particle storage portion provided below the sizing means for storing small-diameter particles divided by the sizing means, and a large-sized particle storage portion provided adjacent to the small-diameter particle storage portion and divided by the sizing means. Large particle storage part for storing large particle, large particle transfer means provided under the large particle storage part for transferring large particle, and small particle transfer part provided for the small particle storage part Means for transferring small particles, and a measuring cup provided below the large particle transferring means for receiving large particles transferred from the large particle transferring means and for receiving small particles transferred from the small particle transferring means. And this total A measuring means provided in a cup for measuring the weight of the particles, and the large-diameter particle transfer means being driven to first transfer the large-diameter particles to the measuring cup, and the weight of the large-diameter particles according to a signal from the measuring means. After the temporary target value is reached, the driving of the large-diameter particle transfer means is stopped, and then the small-diameter particle is transferred to the measuring cup by the driving of the small-diameter particle transfer means, and the particle And a control means for stopping the driving of the small diameter particle transfer means after the weight reaches the final target value.
【０００７】また、分粒手段は、回転可能なシャフト
と、このシャフトに固着され壁面に複数個の小孔を有す
る円筒状のシリンダと、このシリンダの内壁面に設けら
れ前記シリンダの回転に伴い粒子を前記大径粒子貯留部
に移送するリブとを備え、小径粒子は小孔を通じて小径
粒子貯留部に導かれるようになっているものである。The sizing means includes a rotatable shaft, a cylindrical cylinder fixed to the shaft and having a plurality of small holes in the wall surface, and provided on the inner wall surface of the cylinder in association with the rotation of the cylinder. A rib for transferring the particles to the large-diameter particle storage portion is provided, and the small-diameter particles are guided to the small-diameter particle storage portion through the small holes.
【０００８】さらに、大径粒子移送手段は、外周面に螺
旋状の溝部が形成された大径スクリュー本体を有してお
り、小径粒子移送手段は、外周面に溝部の断面積よりも
小さな断面積の溝部が形成された小径スクリュー本体を
有しているものである。Further, the large-diameter particle transfer means has a large-diameter screw body in which a spiral groove is formed on the outer peripheral surface, and the small-diameter particle transfer means has a cross-sectional area smaller than the cross-sectional area of the groove on the outer peripheral surface. It has a small diameter screw main body in which a groove portion having an area is formed.
【０００９】また、計量手段は、歪ゲージ式荷重計であ
るものである。The measuring means is a strain gauge type load meter.
【００１０】また、この発明の粒子の計量方法は、粒子
を大径粒子と小径粒子とに分粒した後、前記大径粒子を
計量カップに供給して大径粒子の重量を計量し、その後
引き続き前記小径粒子を前記計量カップに供給して大径
粒子と小径粒子との混合粒子の重量を計量するものであ
る。Further, in the method for measuring particles of the present invention, after dividing the particles into large particles and small particles, the large particles are supplied to a measuring cup to measure the weight of the large particles, Subsequently, the small diameter particles are supplied to the measuring cup to measure the weight of the mixed particles of the large diameter particles and the small diameter particles.
【００１１】[0011]
実施の形態１．以下、この発明の実施の形態を説明す
る。図１はこの発明の実施の形態１を示す粒子計量装置
の正面図、図２は図１の側面図、図３は図１のケースを
除去した粒子計量装置の内部の構成図、図４は図３の側
面図である。Embodiment 1. Embodiments of the present invention will be described below. 1 is a front view of a particle weighing device showing Embodiment 1 of the present invention, FIG. 2 is a side view of FIG. 1, FIG. 3 is an internal configuration diagram of the particle weighing device without the case of FIG. 1, and FIG. FIG. 4 is a side view of FIG. 3.
【００１２】図において、１０はケース、１１はケース
１０の後部に設けられプログラマブルコントローラが内
蔵された制御手段である制御盤、１２は粒子を滞留させ
るためのタンクである。In the figure, 10 is a case, 11 is a control panel which is a control means provided in the rear part of the case 10 and which has a built-in programmable controller, and 12 is a tank for retaining particles.
【００１３】１３はタンク１２の下部に設けられた中継
タンク、１４、１５、１６は中継タンク内に設けられた
第１、第２および第３の仕切板、１７は第１の仕切板１
４と第３の仕切板１６とにより回転自在に支持されたシ
ャフト、１８はタンク１２の開口部１２ａ側のシャフト
１７の先端部に取り付けられ、粒子を移送する移送手段
としてのインペラ、１４ａは第１の仕切板１４の下部に
形成された第１の窓部、１５ａは第２の仕切板１５の下
部に形成された第２の窓部、１９はシャフト１７に固着
された分粒手段であるドラム型のフルイである。なお、
第１の仕切板１４、第２の仕切板１５および中継タンク
１３の底部により小径粒子を貯留する小径粒子貯留部Ａ
を構成している。また、第２の仕切板１５、第３の仕切
板１６および中継タンク１３の底部により大径粒子を貯
留する大径粒子貯留部Ｂを構成している。２３はシャフ
ト１７の他端部に固着されたギヤ、２４は中継タンク１
３の後方部に設けられギヤ２３と噛合したギヤ（図示せ
ず）を回転駆動させるためのモータである。Reference numeral 13 is a relay tank provided under the tank 12, 14, 15, 16 are first, second and third partition plates provided in the relay tank, and 17 is the first partition plate 1.
The shaft 18 rotatably supported by the fourth partition plate 16 and the third partition plate 16 is attached to the tip of the shaft 17 on the side of the opening 12a of the tank 12, and an impeller as a transfer means for transferring particles. A first window portion formed in the lower portion of the first partition plate 14, 15a is a second window portion formed in the lower portion of the second partition plate 15, and 19 is a sizing means fixed to the shaft 17. It is a drum type sieve. In addition,
Small-diameter particle storage portion A that stores small-diameter particles by the first partition plate 14, the second partition plate 15, and the bottom of the relay tank 13.
Is composed. Further, the second partition plate 15, the third partition plate 16 and the bottom of the relay tank 13 constitute a large-diameter particle storage portion B for storing large-diameter particles. 23 is a gear fixed to the other end of the shaft 17, 24 is a relay tank 1
3 is a motor for rotationally driving a gear (not shown) provided in the rear portion of the gear 3 and meshing with the gear 23.
【００１４】図５はフルイ１９の要部平面図、図６は図
５の正面半断面図であり、２０はシャフト１７に固着さ
れた断面十字形状の支持部、２１は内壁面が支持部２０
の先端部で固着されているとともに円筒形状をした複数
個の小孔２１ａを有するシリンダ、２２はシリンダ２１
の内壁面および支持部２０に取り付けられた矩形状のリ
ブである。なお、フルイ１９はシャフト１７、支持部２
０、シリンダ２１、リブ２２、ギヤ２３およびモータ２
４を備えている。FIG. 5 is a plan view of an essential part of the screen 19, and FIG. 6 is a front half sectional view of FIG. 5. Reference numeral 20 is a cross-shaped supporting portion fixed to the shaft 17, 21 is an inner wall surface supporting portion 20.
A cylinder having a plurality of small holes 21a having a cylindrical shape and fixed at the front end of the cylinder 21;
It is a rectangular rib attached to the inner wall surface and the supporting portion 20. The sieve 19 includes the shaft 17 and the support portion 2.
0, cylinder 21, rib 22, gear 23 and motor 2
4 is provided.
【００１５】２５は中継タンク１３の下方部に設けられ
た小ケース、２６は小ケース２５内に設けられ図７に示
すように外周面に螺旋状の溝部２６ａが形成された小径
スクリュー本体、５０は小径スクリュー本体２６を囲む
筒部、２７は小径スクリュー本体２６の端部に設けられ
たギヤ２８と噛合したギヤ（図示せず）を回転駆動させ
るための小径粒子送りモータである。なお、小径スクリ
ュー本体２６、筒部５０、ギヤ２８および小径粒子送り
モータ２７により小径粒子移送手段Ｃを構成している。
２９はケース２５内に設けられ図８に示すように外周面
に溝部２６ａよりも断面積が大きな溝部２９ａが形成さ
れた大径スクリュー本体、５１は大径スクリュー本体２
９を囲む筒部、３１は大径スクリュー本体２９の端部に
設けられたギヤ３０と噛合したギヤ（図示せず）を回転
駆動させるための大径粒子送りモータである。なお、大
径スクリュー本体２９、筒部５１、ギヤ３０及び大径粒
子送りモータ３１により大径粒子移送手段Ｄを構成して
いる。Reference numeral 25 is a small case provided in the lower portion of the relay tank 13, 26 is a small diameter screw main body provided in the small case 25 and having a spiral groove portion 26a formed on the outer peripheral surface thereof, as shown in FIG. Is a cylindrical portion surrounding the small diameter screw main body 26, and 27 is a small diameter particle feeding motor for rotationally driving a gear (not shown) meshing with a gear 28 provided at an end of the small diameter screw main body 26. The small-diameter screw main body 26, the cylindrical portion 50, the gear 28, and the small-diameter particle feed motor 27 constitute a small-diameter particle transfer means C.
Reference numeral 29 denotes a large-diameter screw main body in which a groove portion 29a having a larger cross-sectional area than the groove portion 26a is formed on the outer peripheral surface as shown in FIG.
A cylindrical portion 31 surrounding 9 is a large-diameter particle feeding motor for rotationally driving a gear (not shown) meshing with a gear 30 provided at the end of the large-diameter screw body 29. The large-diameter screw main body 29, the cylinder portion 51, the gear 30, and the large-diameter particle feed motor 31 constitute a large-diameter particle transfer means D.
【００１６】３２は小径粒子貯留部Ａ内の小径粒子を小
径スクリュー本体２６上に導く小径シュータ、３３は大
径粒子貯留部Ｂ内の大径粒子を大径スクリュー本体２９
上に導く大径シュータである。なお、小径スクリュー本
体２６の溝部２６ａの断面積は大径スクリュー本体２９
の溝部２９ａの断面積と比較して小さく、それだけ一回
の回転により送られる粒子の量は小さい。Reference numeral 32 denotes a small-diameter shooter for guiding the small-diameter particles in the small-diameter particle storage portion A onto the small-diameter screw main body 26, and 33 denotes large-sized particles in the large-diameter particle storage portion B large-diameter screw main body 29.
It is a large diameter shooter that leads to the top. The cross-sectional area of the groove 26a of the small-diameter screw body 26 is the same as that of the large-diameter screw body 29.
Is smaller than the cross-sectional area of the groove portion 29a, and thus the amount of particles sent by one rotation is small.
【００１７】３５は小ケース２５の下方部に設けられた
回転可能な計量カップ、３６は計量カップ３５の下部に
設けられ計量カップ３５内の粒子の重量を計量するため
の計量手段としての歪ゲージ式の荷重計、３７はフレー
ム３８に回転可能に設けられているとともに荷重計３６
の端部が取り付けられたブラケット、３９はフレーム３
８に固定されているとともにゼネバギヤ（図示せず）を
介してブラケット３７に連結された移載モータ、４０は
ブラケット３７の下方部でフレーム３８に取り付けられ
たロート状の中継カップ、４１は中継カップ４０の下方
に置かれた取出し用カップ、４２は取出し用カップ４１
の近傍に置かれた排出用カップである。Reference numeral 35 denotes a rotatable measuring cup provided at the lower portion of the small case 25, and 36 denotes a strain gauge provided at the lower portion of the measuring cup 35 as a measuring means for measuring the weight of particles in the measuring cup 35. Type load cell, 37 is rotatably provided on the frame 38 and the load cell 36
Bracket to which the end of is attached, 39 is the frame 3
8, a transfer motor fixed to 8 and connected to a bracket 37 via a Geneva gear (not shown), 40 is a funnel-shaped relay cup attached to the frame 38 below the bracket 37, and 41 is a relay cup. A take-out cup placed below 40, and a take-out cup 41
It is a discharge cup placed near the.
【００１８】次に、上記構成の粒子計量装置の動作につ
いて説明する。タンク１２に投入された粒子、例えばフ
ェノール樹脂のペレットの原料（顆粒状）は、フルイモ
ータ２４の駆動力で回転するインペラ１８で第１の仕切
板１４の窓部１４ａを通ってシリンダ２１内に送り込ま
れる。シャフト１７とともに回転するシリンダ２１内で
は、小径粒子が小孔２１ａから下部に落下し、小径粒子
貯留部Ａに貯留される。Next, the operation of the particle measuring device having the above structure will be described. Particles, such as phenolic resin pellets (granular), put in the tank 12 are fed into the cylinder 21 through the window 14a of the first partition plate 14 by the impeller 18 rotated by the driving force of the flue motor 24. Be done. In the cylinder 21 that rotates together with the shaft 17, the small particles fall from the small holes 21a to the lower portion and are stored in the small particle storage portion A.
【００１９】小孔２１ａから落下しなかった大径粒子は
リブ２２により第２の仕切板１５の窓部１５ａを通じて
大径粒子貯留部Ｂに貯留される。大径粒子貯留部Ｂに貯
留された大径粒子は大径シュータ３３を通じて大径スク
リュー本体２９に導かれる。この大径粒子は大径スクリ
ュー本体２９の大径粒子送りモータ３１の駆動力による
回転で計量カップ３５に送られる。計量カップ３５内の
大径粒子は荷重計３６により、連続的に計量され、計量
値が暫定目標値に達すると大径スクリュー本体２９の回
転は停止する。その後、引き続き小径粒子送りモータ２
７の駆動力により小径スクリュー本体２６が回転する。
この回転により小径粒子貯留部Ａに貯留されていた小径
粒子は計量カップ３５に送られる。この間も荷重計３６
により計量カップ３５内の粒子の重さが連続的に計量さ
れ、計量値が最終目標値に達すると小径スクリュー本体
２６の回転を停止する。小径スクリュー本体２６が停止
した後、あらためて荷重計３６により粒子の重量を測定
し目標値内にあるかどうかを確認する。The large-diameter particles that have not fallen from the small holes 21a are stored in the large-diameter particle storage portion B by the ribs 22 through the window portion 15a of the second partition plate 15. The large particles stored in the large particle storage portion B are guided to the large screw body 29 through the large shooter 33. The large-diameter particles are sent to the measuring cup 35 by rotation of the large-diameter screw main body 29 by the driving force of the large-diameter particle feed motor 31. The large-diameter particles in the measuring cup 35 are continuously measured by the load meter 36, and when the measured value reaches the provisional target value, the rotation of the large-diameter screw body 29 is stopped. After that, the small particle feeding motor 2 continues
The small-diameter screw body 26 is rotated by the driving force of 7.
By this rotation, the small particle stored in the small particle storage portion A is sent to the measuring cup 35. During this time, the load cell 36
Thus, the weight of the particles in the measuring cup 35 is continuously measured, and when the measured value reaches the final target value, the rotation of the small diameter screw body 26 is stopped. After the small-diameter screw body 26 has stopped, the weight of the particles is again measured by the load meter 36 to confirm whether the weight is within the target value.
【００２０】なお、大径スクリュー本体２９の回転によ
り大径粒子を計量カップ３５に最初に移送し、荷重計３
５からの信号により大径粒子の重量が暫定目標値に達し
た後、大径粒子スクリュー本体２９の回転を停止させ、
その後小径スクリュー本体２６の回転により小径粒子を
計量カップ３５に移送して計量カップ３５からの信号に
より粒子の重量が最終目標値に達した後小径スクリュー
本体２６の回転を停止させる一連の動作は制御盤１１内
の制御手段であるプログラマブルコントローラ５３で行
われる。The large-diameter particles are first transferred to the measuring cup 35 by the rotation of the large-diameter screw body 29, and the load meter 3
After the weight of the large particle reaches the provisional target value by the signal from 5, the rotation of the large particle screw main body 29 is stopped,
After that, the small diameter particles are transferred to the measuring cup 35 by the rotation of the small diameter screw body 26, and the series of operations for stopping the rotation of the small diameter screw body 26 after the weight of the particles reaches the final target value by the signal from the measuring cup 35 is controlled. It is performed by the programmable controller 53 which is a control means in the panel 11.
【００２１】粒子の重量が目標設定値の範囲内であれ
ば、移載モータ３９により計量カップ３５を中継カップ
４０側に１３５°回転し、粒子を中継カップ４０を通っ
て取出し用カップ４１に移載する。粒子の重量が目標設
定値の範囲外であれば、移載モータ３９により計量カッ
プ３５を排出用カップ４２側に１３５°回転し、粒子を
排出用カップ４２に移載する。If the weight of the particles is within the range of the target set value, the transfer motor 39 rotates the measuring cup 35 toward the relay cup 40 by 135 ° and transfers the particles through the relay cup 40 to the extraction cup 41. List. If the weight of the particles is out of the range of the target set value, the transfer motor 39 rotates the measuring cup 35 toward the discharging cup 42 by 135 ° to transfer the particles to the discharging cup 42.
【００２２】なお、上記の実施の形態では、分粒手段の
構成部分としてフルイ１９の一部を構成する小孔２１ａ
を有するシリンダ２１を用いたが、ワイヤを網目状に編
み、円筒形状にしたものを用いてもよい。また、計量手
段として歪ゲージ式の荷重計を用いたが、バネ式の荷重
計または天秤ばかりを用いてもよい。In the above embodiment, the small hole 21a which constitutes a part of the sieve 19 as a constituent part of the particle sizing means.
Although the cylinder 21 having the above is used, it is also possible to use a cylinder in which a wire is knitted in a mesh shape. Further, although the strain gauge type load cell is used as the measuring means, a spring type load cell or a balance may be used.
【００２３】[0023]
【発明の効果】以上説明したように、この発明によれ
ば、粒子を大径粒子と小径粒子とに分粒し、最初に大径
粒子を計量カップに供給して大径粒子を計量し、その後
小径粒子を計量カップに供給して粒子を計量するように
したので、小径粒子により粒子の重量の微調整が可能と
なり、精度の高い計量が可能となる。As described above, according to the present invention, particles are sized into large particles and small particles, and the large particles are first fed to a measuring cup to measure the large particles. After that, the small-sized particles are supplied to the measuring cup to measure the particles, so that the weight of the particles can be finely adjusted by the small-sized particles, and the measurement can be performed with high accuracy.
【００２４】また、分粒手段は、シリンダの回転に伴
い、大径粒子と小径粒子との混合粒子を撹拌されながら
小径粒子が小孔から落下するようになっているので、分
粒の効率を上げることができるとともに、小孔の目詰ま
りを減少させることができる。また、水平運動または垂
直運動により分粒する場合と比較して振動が小さいた
め、計量手段は振動の影響を受けにくい。Further, the sizing means is adapted to drop the small-sized particles from the small holes while agitating the mixed particles of the large-sized particles and the small-sized particles as the cylinder rotates, so that the sizing efficiency is improved. It can be raised and the clogging of small holes can be reduced. Further, since the vibration is small as compared with the case where the particles are sized by the horizontal motion or the vertical motion, the measuring means is less susceptible to the vibration.
【図１】 この発明の一実施の形態を示す粒子計量装置
の正面図である。FIG. 1 is a front view of a particle weighing device according to an embodiment of the present invention.
【図２】 図１の側面図である。FIG. 2 is a side view of FIG.
【図３】 図１の粒子計量装置の内部の構成図である。FIG. 3 is an internal configuration diagram of the particle measuring device in FIG. 1.
【図４】 図３の側面図である。FIG. 4 is a side view of FIG. 3;
【図５】 図３のフルイの平面図である。5 is a plan view of the screen of FIG.
【図６】 図５の正面半断面図である。6 is a front half sectional view of FIG.
【図７】 図３の小径粒子移送手段の断面図である。FIG. 7 is a cross-sectional view of the small-diameter particle transfer means of FIG.
【図８】 図３の大径粒子移送手段の断面図である。FIG. 8 is a cross-sectional view of the large-diameter particle transfer means of FIG.
【図９】 従来の粒子計量装置の正面図である。FIG. 9 is a front view of a conventional particle weighing device.
【図１０】 図９の側面図である。FIG. 10 is a side view of FIG.
１１ 制御盤、１２ タンク、１３ 中継タンク、１４
第１の仕切板、１５第２の仕切板、１６ 第３の仕切
板、１７ シャフト、１８ インペラ、１９フルイ、２
１ シリンダ、２２ リブ、２３ ギヤ、２４ フルイ
モータ、２５ 小ケース、２６ 小径スクリュー本体、
２７ 小径粒子送りモータ、２８ギヤ、２９ 大径スク
リュー本体、３０ ギヤ、３１ 大径粒子送りモータ、
３５ 計量カップ、３６ 荷重計、５３ プログラマブ
ルコントローラ、Ａ 小径粒子貯留部、Ｂ 大径粒子貯
留部、Ｃ 小径粒子移送手段、Ｄ 大径粒子移送手段。11 control panel, 12 tank, 13 relay tank, 14
1st partition plate, 15 2nd partition plate, 16 3rd partition plate, 17 shaft, 18 impeller, 19 sieve, 2
1 cylinder, 22 ribs, 23 gears, 24 fluid motor, 25 small case, 26 small diameter screw body,
27 small diameter particle feeding motor, 28 gear, 29 large diameter screw body, 30 gear, 31 large diameter particle feeding motor,
35 measuring cup, 36 load meter, 53 programmable controller, A small diameter particle storage part, B large diameter particle storage part, C small diameter particle transfer means, D large diameter particle transfer means.
Claims (5)
を大径粒子と小径粒子とに分ける分粒手段と、 この分粒手段の下部に設けられ分粒手段で分けられた小
径粒子を貯留する小径粒子貯留部と、 この小径粒子貯留部に隣接して設けられ前記分粒手段で
分けられた大径粒子を貯留する大径粒子貯留部と、 この大径粒子貯留部の下部に設けられ前記大径粒子を移
送する大径粒子移送手段と、 前記小径粒子貯留部の下部に設けられ小径粒子を移送す
る小径粒子移送手段と、 前記大径粒子移送手段の下部
に設けられ前記大径粒子移送手段から移送される大径粒
子を受け入れ、また前記小径粒子移送手段から移送され
る小径粒子を受け入れる計量カップと、 この計量カップに設けられ前記粒子の重量を計量する計
量手段と、 前記大径粒子移送手段の駆動により前記大径粒子を前記
計量カップに最初に移送し、前記計量手段からの信号に
より大径粒子の重量が暫定目標値に達した後、大径粒子
移送手段の駆動を停止させ、その後前記小径粒子移送手
段の駆動により前記小径粒子を前記計量カップに移送し
て前記計量手段からの信号により前記粒子の重量が最終
目標値に達したとき前記小径粒子移送手段の駆動を停止
させる制御手段とを備えた粒子計量装置。1. A tank for storing particles, a sizing means provided in the lower part of the tank for separating the particles transferred from the tank into large-sized particles and small-sized particles, and a sizing unit provided under the sizing means. A small-diameter particle storage section for storing the small-diameter particles divided by the graining means, and a large-diameter particle storage section provided adjacent to the small-diameter particle storage section for storing the large-diameter particles divided by the sizing means, Large-diameter particle transfer means provided under the large-diameter particle storage section for transferring the large-diameter particles, small-diameter particle transfer means provided under the small-diameter particle storage section for transferring small-diameter particles, and the large-diameter particle transfer A measuring cup provided below the means for receiving large particles transferred from the large particle transfer means and receiving small particles transferred from the small particle transfer means; and a weight of the particles provided on the measuring cup. Total The large-sized particles are first transferred to the measuring cup by driving the large-sized particle transfer means, and the weight of the large-sized particles reaches a provisional target value by a signal from the measuring means, When the driving of the small particle transferring means is stopped, and then the small particle transferring means is driven to transfer the small particle to the measuring cup, and when the weight of the particle reaches the final target value by the signal from the measuring means, A particle measuring device, comprising: a control means for stopping the driving of the small particle transfer means.
と、このシャフトに固着され壁面に複数個の小孔を有す
る円筒状のシリンダと、このシリンダの内壁面に設けら
れ前記シリンダの回転に伴い前記粒子を前記大径粒子貯
留部に移送するリブとを備え、前記小径粒子は前記小孔
を通じて前記小径粒子貯留部に導かれるようになってい
る請求項１記載の粒子計量装置。2. The sizing means comprises a rotatable shaft, a cylindrical cylinder fixed to the shaft and having a plurality of small holes on a wall surface thereof, and provided on an inner wall surface of the cylinder for rotating the cylinder. The particle weighing device according to claim 1, further comprising a rib for transferring the particles to the large particle storage section, wherein the small particle is guided to the small particle storage section through the small holes.
状の溝部が形成された大径スクリュー本体を有してお
り、前記小径粒子移送手段は、外周面に前記溝部の断面
積よりも小さな断面積の溝部が形成された小径スクリュ
ー本体を有している請求項１または請求項２記載の粒子
計量装置。3. The large-diameter particle transfer means has a large-diameter screw main body in which a spiral groove portion is formed on the outer peripheral surface, and the small-diameter particle transfer means has an outer peripheral surface having a cross-sectional area of the groove portion. The particle measuring device according to claim 1 or 2, further comprising a small-diameter screw body in which a groove having a small cross-sectional area is formed.
る請求項１ないし請求項３のいずれかに記載の粒子計量
装置。4. The particle measuring device according to claim 1, wherein the measuring means is a strain gauge type load meter.
工程と、最初に前記大径粒子を計量カップに供給して大
径粒子の重量を計量する工程と、その後引き続き前記小
径粒子を前記計量カップに供給して大径粒子と小径粒子
との混合粒子の重量を計量する工程とを有する粒子の計
量方法。5. A step of sizing the particles into large particles and small particles, a step of first supplying the large particles to a measuring cup to measure the weight of the large particles, and then continuing the small particles. Is supplied to the measuring cup to measure the weight of mixed particles of large-diameter particles and small-diameter particles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3186496A JPH09229752A (en) | 1996-02-20 | 1996-02-20 | Particle weighing device and weighing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3186496A JPH09229752A (en) | 1996-02-20 | 1996-02-20 | Particle weighing device and weighing method therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09229752A true JPH09229752A (en) | 1997-09-05 |
Family
ID=12342923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3186496A Pending JPH09229752A (en) | 1996-02-20 | 1996-02-20 | Particle weighing device and weighing method therefor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09229752A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6458449B1 (en) * | 1999-09-15 | 2002-10-01 | Hazen Paper Company | Inkjet printable holographic paper |
| CN110449348A (en) * | 2019-08-27 | 2019-11-15 | 内蒙古自治区水利水电勘测设计院 | A kind of aggregate separator and its separation method |
-
1996
- 1996-02-20 JP JP3186496A patent/JPH09229752A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6458449B1 (en) * | 1999-09-15 | 2002-10-01 | Hazen Paper Company | Inkjet printable holographic paper |
| CN110449348A (en) * | 2019-08-27 | 2019-11-15 | 内蒙古自治区水利水电勘测设计院 | A kind of aggregate separator and its separation method |
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