JP2003146310A - Powder-feeding system - Google Patents
Powder-feeding systemInfo
- Publication number
- JP2003146310A JP2003146310A JP2001349258A JP2001349258A JP2003146310A JP 2003146310 A JP2003146310 A JP 2003146310A JP 2001349258 A JP2001349258 A JP 2001349258A JP 2001349258 A JP2001349258 A JP 2001349258A JP 2003146310 A JP2003146310 A JP 2003146310A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- hopper
- minute
- primary hopper
- less
- 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.)
- Granted
Links
Landscapes
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Supply Of Fluid Materials To The Packaging Location (AREA)
- Basic Packing Technique (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、粉体供給装置に関
し、特に画像形成装置に使用されるトナーを製造し、そ
れを容器に充填して製品とするに場合等において、容器
の充分な工程能力を持って、粉体のフラッシングや過計
量なく、容器への安定した充填量を得ることができるよ
うにした粉体供給装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a powder supply device, and more particularly, to a sufficient process for forming a toner used in an image forming apparatus and filling the container with toner to obtain a product. The present invention relates to a powder supply device capable of obtaining a stable filling amount in a container without having to perform powder flushing or overweighing.
【０００２】[0002]
【従来の技術】従来のトナー充填装置のような粉体供給
装置は、貯留ホッパーとしての１次ホッパーと、切り出
し装置を有する２次ホッパーとを備えており、嵩密度は
コントロールせずに、成り行きで、１次ホッパーから２
次ホッパーに粉体を落下させ、２次ホッパーの切り出し
装置により粉体を容器に切り出して充填していた。2. Description of the Related Art A powder supply device such as a conventional toner filling device is provided with a primary hopper as a storage hopper and a secondary hopper having a cutting device, and the bulk density is controlled without being controlled. Then from the primary hopper to 2
The powder was dropped into the next hopper, and the powder was cut into a container by the cutting device of the secondary hopper and filled.
【０００３】[0003]
【発明が解決しようとする課題】そのため、従来の粉体
供給装置では、週始めの起動運転直後や、休憩もしく
は、段取り替え後の再運転の際に、１次ホッパー及び２
次ホッパー内の嵩密度が変化し、このために容器の充填
量が不安定になる問題があった。こういった状況の中で
は、工程能力Ｃｐ＜１．３３になる場合もあり、不良品
数の低減や歩留りの向上をコントロールすることが難し
かった。Therefore, in the conventional powder feeding apparatus, the primary hopper and the secondary hopper are used immediately after the start-up operation at the beginning of the week, at the time of a break or the re-operation after the setup change.
The bulk density in the next hopper changes, which causes the problem that the filling amount of the container becomes unstable. Under these circumstances, the process capability Cp may be <1.33 in some cases, and it has been difficult to control the reduction in the number of defective products and the improvement in yield.
【０００４】本発明は斯かる実情に鑑みてなしたもの
で、粉体供給装置より粉体を容器に供給する際に、粉体
供給装置から切り出される粉体の過計量がなく、且つフ
ラッシング等の異常排出を生じることなく、高速で供給
できる粉体供給装置を提供することを目的とする。The present invention has been made in view of such circumstances, and when the powder is supplied from the powder supply device to the container, the powder cut out from the powder supply device is not over-measured, and flushing or the like is performed. It is an object of the present invention to provide a powder supply device that can supply powder at high speed without causing abnormal discharge.
【０００５】[0005]
【課題を解決するための手段】請求項１記載の発明は、
１次ホッパーと、該１次ホッパーの下部に粉体排出管を
介して接続した２次ホッパーとを有する粉体供給装置で
あって、粉体に直接振動を加えることなく５, ０００回
／分以上、１０，０００回／分以下の振動数を１次ホッ
パーに与えるバイブレーターを１次ホッパーの外部に設
け、且つ、粉体に直接振動を加えることなく１, ０００
回／分以上、５０，０００回／分以下の振動数を粉体排
出管に与えるバイブレーターを粉体排出管の外部に設け
た粉体供給装置を最も主要な特徴とする。The invention according to claim 1 is
A powder supply device having a primary hopper and a secondary hopper connected to the lower part of the primary hopper via a powder discharge pipe, which is 5,000 times / minute without directly vibrating the powder. A vibrator that gives a frequency of 10,000 times / min or less to the primary hopper is provided outside the primary hopper, and 1,000 is achieved without directly vibrating the powder.
The most main feature is a powder supply device provided with a vibrator outside the powder discharge pipe, which vibrates the powder discharge pipe at a frequency of not less than 50,000 times / minute and not more than 50,000 times / minute.
【０００６】請求項２に記載の発明は、前記１次ホッパ
ーの排出角度が５０°以上、５７°以下であり、１次ホ
ッパー内の中心部にコーン状の受圧板を備えた請求項１
記載の粉体供給装置を主要な特徴とする。According to a second aspect of the present invention, the discharge angle of the primary hopper is 50 ° or more and 57 ° or less, and a cone-shaped pressure receiving plate is provided in the center of the primary hopper.
The powder feeder described is the main feature.
【０００７】請求項３記載の発明は、前記２次ホッパー
に、モータ駆動により回転して２次ホッパー内の粉体を
容器に供給する切り出し装置を備え、且つ容器内の粉体
量を計量する計量器を備え、前記モータの回転数を細分
化して計量器により計測される粉体の供給量をパルス値
に置き換え、１パルス当りの供給量をフィードバックし
ながらモータの駆動を調節する制御器を備えた請求項１
又は２記載の粉体供給装置を主要な特徴とする。According to a third aspect of the present invention, the secondary hopper is provided with a cutting device that is rotated by a motor to supply the powder in the secondary hopper to the container, and the amount of powder in the container is measured. A controller provided with a measuring device, which subdivides the rotation speed of the motor, replaces the powder supply amount measured by the measuring device with a pulse value, and adjusts the drive of the motor while feeding back the supply amount per pulse. Claim 1 provided
Alternatively, the powder supply device described in 2 is a main feature.
【０００８】請求項４記載の発明は、前記２次ホッパー
に、１０ｒｐｍ以上、６０ｒｐｍ以下の回転速度で回転
するアジテータを備えた請求項３記載の粉体供給装置を
主要な特徴とする。A fourth aspect of the present invention is characterized mainly in the powder supply apparatus according to the third aspect, in which the secondary hopper is provided with an agitator that rotates at a rotation speed of 10 rpm or more and 60 rpm or less.
【０００９】[0009]
【発明の実施の形態】以下、本発明の実施の形態を図示
例と共に説明する。図１は、本発明の粉体供給装置の形
態例を示す側面図であり、図中１はコーン状の１次ホッ
パーであり、該１次ホッパー１の下部には２本設けられ
た粉体排出管２を介して２つのコーン状の２次ホッパー
３，４が接続されている。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a side view showing an example of the form of a powder supply apparatus of the present invention, in which 1 is a cone-shaped primary hopper, and two powders are provided below the primary hopper 1. Two cone-shaped secondary hoppers 3, 4 are connected via the discharge pipe 2.
【００１０】前記１次ホッパー１は、コーン形状による
排出角度αが５０°以上、５７°以下であり、１次ホッ
パー１内の中心部には上側に先端部を有するコーン状の
受圧板５が備えられている。The primary hopper 1 has a cone-shaped discharge angle α of not less than 50 ° and not more than 57 °, and a cone-shaped pressure receiving plate 5 having a tip portion on the upper side is provided at the center of the primary hopper 1. It is equipped.
【００１１】更に、前記１次ホッパー１の外部には、内
部の粉体に直接振動を加えることがなく５, ０００回／
分以上、１０，０００回／分以下の振動数を１次ホッパ
ー１に与えられるようにしたバイブレーター６を所要数
配置している。Further, outside the primary hopper 1, 5,000 times / minute without directly vibrating the powder inside,
A required number of vibrators 6 are arranged so that the primary hopper 1 can be given a frequency of not less than 10,000 and not more than 10,000 times / minute.
【００１２】又、前記粉体排出管２の外部には、内部の
粉体に直接振動を加えることがなく１, ０００回／分以
上、５０，０００回／分以下の振動数を粉体排出管２に
与えるようにしたバイブレーター７を配置している。Further, the powder discharge pipe 2 is discharged at a frequency of 1,000 times / minute or more and 50,000 times / minute or less without directly vibrating the powder inside. A vibrator 7 adapted to be applied to the tube 2 is arranged.
【００１３】前記２次ホッパー３，４の下部にはファン
ネル８が形成されている。該ファンネル８の内部にはオ
ーガ９が配置されており、該オーガ９は駆動軸１０を介
して２次ホッパー３，４の上部に設けたモータ１１に夫
々接続されて切り出し装置１３を構成しており、該切り
出し装置１３により２次ホッパー３，４内の粉体を下部
の容器１２に供給するようにしている。前記ファンネル
８の下部にはバルブ１４及び充填ノズル１５が備えられ
ている。A funnel 8 is formed below the secondary hoppers 3 and 4. An auger 9 is arranged inside the funnel 8, and the auger 9 is connected via a drive shaft 10 to a motor 11 provided above the secondary hoppers 3 and 4 to form a cutting device 13. The cutting device 13 supplies the powder in the secondary hoppers 3 and 4 to the lower container 12. A valve 14 and a filling nozzle 15 are provided below the funnel 8.
【００１４】更に、前記容器１２内の粉体量を計量する
ための計量器１６を備えている。図中１７は前記バルブ
１４の開閉を制御する制御器であり、該制御器１７は、
前記切り出し装置１３のモータ１１の起動・停止、及び
前記計量器１６が検出した粉体量に基づいたモータ１１
の回転制御を行なうようにしている。Further, a measuring device 16 for measuring the amount of powder in the container 12 is provided. In the figure, 17 is a controller for controlling the opening and closing of the valve 14, and the controller 17 is
Starting and stopping the motor 11 of the cutting device 13, and the motor 11 based on the amount of powder detected by the measuring device 16
Rotation control is performed.
【００１５】この時、前記モータ１１の回転数を細分化
（パルス化）して計量器１２により計測される粉体の供
給量をパルス値に置き換え、１パルス当りの供給量を予
め求めて前記制御器１７に入力しておく。計量器１２の
検出信号をフィードバックしてモータ１１の回転をパル
ス制御することにより、粉体の切り出し量を精度良く調
節できるようにしている。At this time, the number of revolutions of the motor 11 is subdivided (pulsed) and the powder supply amount measured by the measuring device 12 is replaced with a pulse value, and the supply amount per pulse is obtained in advance and It is input to the controller 17. By feeding back the detection signal of the measuring device 12 and controlling the rotation of the motor 11 in a pulsed manner, the amount of powder cut out can be adjusted accurately.
【００１６】更に、前記２次ホッパー３、４の内部に、
該２次ホッパー内の粉体を撹拌して粉体の嵩密度を調節
するようにしたアジテータ１８を備えている。該アジテ
ータ１８は、１０ｒｐｍ以上、６０ｒｐｍ以下の回転速
度で回転できるようにしている。Further, inside the secondary hoppers 3 and 4,
The agitator 18 is provided so as to adjust the bulk density of the powder by stirring the powder in the secondary hopper. The agitator 18 can rotate at a rotation speed of 10 rpm or more and 60 rpm or less.
【００１７】以下に、上記形態の作用を説明する。図１
の粉体供給装置では、容器１２に充填するトナーなどの
粉体の物性を把握し、粉体の物性に応じた１次ホッパー
１の排出角度αを５０°以上、５７°以下の範囲で最適
な角度に設定する。更に、１次ホッパー１に備えるバイ
ブレーター６は、粉体を圧密させることなく粉体を安定
して粉体排出管２に流下させることができる振動数や振
動力の最適値を選んで運転する。この時、バイブレータ
ー６は、５, ０００回／分以上、１０，０００回／分以
下の振動数とすることが好ましい。The operation of the above embodiment will be described below. Figure 1
In the powder supply device, the physical properties of the powder such as the toner filled in the container 12 are grasped, and the discharge angle α of the primary hopper 1 according to the physical properties of the powder is optimal within the range of 50 ° to 57 °. Set to a different angle. Further, the vibrator 6 provided in the primary hopper 1 is operated by selecting the optimum values of the frequency and the vibration force that can stably flow the powder down the powder discharge pipe 2 without compacting the powder. At this time, it is preferable that the vibrator 6 has a frequency of 5,000 times / minute or more and 10,000 times / minute or less.
【００１８】又、２次ホッパー３，４では、粉体全体の
嵩密度が均一になるようにするために、まず、受入口で
ある粉体排出管２に備えたバイブレーター７を振動数や
振動力の最適値を選んで運転する。この時、バイブレー
ター７は、１, ０００回／分以上、５０，０００回／分
以下の振動数とすることが好ましい。In the secondary hoppers 3 and 4, in order to make the bulk density of the powder as a whole uniform, first, the vibrator 7 provided in the powder discharge pipe 2 as the receiving port is vibrated or vibrated. Select the optimum value of force and drive. At this time, the vibrator 7 preferably has a frequency of 1,000 times / minute or more and 50,000 times / minute or less.
【００１９】更に、２次ホッパー３，４の内部に設けた
アジテータ１８を低速回転させ、２次ホッパー３，４内
の粉体が均一な嵩密度を保持するようにする。この時、
アジテータ１８の回転速度は、１０ｒｐｍ以上、６０ｒ
ｐｍ以下の範囲が好ましい。Further, the agitator 18 provided inside the secondary hoppers 3 and 4 is rotated at a low speed so that the powder in the secondary hoppers 3 and 4 maintains a uniform bulk density. At this time,
Rotation speed of agitator 18 is 10 rpm or more, 60r
The range of pm or less is preferable.
【００２０】上記により、１次ホッパー１内に貯留され
ている粉体は、排出角度αを５０°以上、５７°以下と
した１次ホッパー１の内面に沿って流下し、この時１次
ホッパー１内部に設けられた受圧板５の作用によって粉
体が圧密されることが防止される。As described above, the powder stored in the primary hopper 1 flows down along the inner surface of the primary hopper 1 having the discharge angle α of 50 ° or more and 57 ° or less. The powder is prevented from being compacted by the action of the pressure receiving plate 5 provided inside 1.
【００２１】更に、１次ホッパー１に設けたバイブレー
ター６によって、粉体に振動を与えることなく１次ホッ
パー１のみに５, ０００回／分以上、１０，０００回／
分以下の振動数で振動を与えることにより、粉体は圧密
されることなく安定して粉体排出管２に流下する。従っ
て、１次ホッパー１内の粉体は、フラッシング等の異常
排出を生じることなく、安定して２次ホッパー３，４に
流下するようになる。Further, the vibrator 6 provided in the primary hopper 1 does not vibrate the powder, but only the primary hopper 1 has a frequency of 5,000 times / minute or more, 10,000 times / minute or more.
By vibrating at a frequency equal to or less than a minute, the powder is not compacted and flows down into the powder discharge pipe 2 in a stable manner. Therefore, the powder in the primary hopper 1 stably flows down to the secondary hoppers 3 and 4 without causing abnormal discharge such as flushing.
【００２２】又、粉体排出管２に設けたバイブレーター
７によって、内部の粉体に直接振動を加えることがなく
粉体排出管２を１, ０００回／分以上、５０，０００回
／分以下の振動数で振動することにより、粉体は好適な
嵩密度となるように２次ホッパー３，４に供給される。Further, the vibrator 7 provided on the powder discharge pipe 2 allows the powder discharge pipe 2 to be 1,000 times / minute or more and 50,000 times / minute or less without directly vibrating the powder inside. The powder is supplied to the secondary hoppers 3 and 4 so as to have a suitable bulk density by vibrating at the frequency of.
【００２３】更に、２次ホッパー３，４の内部に設けた
アジテータ１８を、１０ｒｐｍ以上、６０ｒｐｍ以下の
回転速度で回転させるので、２次ホッパー３，４内の粉
体の嵩密度を均一に保持することができる。Further, since the agitator 18 provided inside the secondary hoppers 3 and 4 is rotated at a rotation speed of 10 rpm or more and 60 rpm or less, the bulk density of the powder in the secondary hoppers 3 and 4 is uniformly maintained. can do.
【００２４】容器１２に粉体を供給するには、制御器１
７によりブルブ１４が開けられると同時に、切り出し装
置１３のモータ１１が起動されてオーガ９が回転する。
これにより、２次ホッパー３，４内の粉体はオーガ９に
より充填ノズル１５から容器１２に切り出される。この
時、２次ホッパー３，４内の粉体の嵩密度が一定である
ことにより、定量の切り出しが可能となる。一方、前記
容器１２に供給される粉体の供給量が計量器１６により
計測されており、計量器１６が検出した粉体量に基づい
て、前記制御器１７により切り出し装置１３のモータ１
１の回転が制御され、計量器１２により計測された粉体
量が所定の充填量に達すると、制御器１７はバルブ１４
を閉じると同時に、モータ１１の回転を停止する。To supply the powder to the container 12, the controller 1 is used.
At the same time when the bluve 14 is opened by 7, the motor 11 of the cutting device 13 is activated and the auger 9 rotates.
Thereby, the powder in the secondary hoppers 3 and 4 is cut out from the filling nozzle 15 into the container 12 by the auger 9. At this time, since the bulk density of the powder in the secondary hoppers 3 and 4 is constant, it is possible to cut out quantitatively. On the other hand, the amount of powder supplied to the container 12 is measured by the meter 16, and the motor 17 of the cutting device 13 is controlled by the controller 17 based on the amount of powder detected by the meter 16.
When the rotation of No. 1 is controlled and the powder amount measured by the measuring device 12 reaches a predetermined filling amount, the controller 17 causes the valve 14
At the same time, the rotation of the motor 11 is stopped.
【００２５】この時、前記モータ１１の回転数を細分化
（パルス化）して計量器１２により計測される粉体の供
給量をパルス値に置き換え、１パルス当りの供給量を予
め求めて前記制御器１７に入力しているので、計量器１
２の検出信号をフィードバックしてモータ１１の回転を
パルス制御することにより、一定量の粉体を高精度に容
器１２に充填することができる。これにより、２次ホッ
パー３，４内の粉体に嵩密度の若干の不均一があっても
一定量の粉体を正確に切り出して容器に供給することが
できる。At this time, the rotation speed of the motor 11 is subdivided (pulsed), and the powder supply amount measured by the measuring device 12 is replaced with a pulse value, and the supply amount per pulse is obtained in advance and Since it is input to the controller 17, the measuring instrument 1
By feeding back the detection signal 2 and controlling the rotation of the motor 11 in a pulsed manner, it is possible to highly accurately fill the container 12 with a certain amount of powder. As a result, even if the powder in the secondary hoppers 3 and 4 has some non-uniform bulk density, a certain amount of powder can be accurately cut and supplied to the container.
【００２６】上記したように、１次ホッパー１内の粉体
がフラッシング等の異常排出を生じることなく２次ホッ
パー３，４に安定して供給されるようになるので、フラ
ッシングによる粉体供給装置の停止時間が短縮されて生
産性を向上することができる。As described above, the powder in the primary hopper 1 can be stably supplied to the secondary hoppers 3 and 4 without causing abnormal discharge such as flushing. Therefore, the downtime can be shortened and the productivity can be improved.
【００２７】更に、２次ホッパー３，４内部の粉体の嵩
密度を厳密に制御し、且つ切り出し装置１３のモータ１
１をパルス制御することにより２次ホッパー３，４内の
粉体を容器１２に切り出すようにしているので、容器１
２に対する粉体の充填量を高精度に調節することがで
き、従って、充填量のバラツキによって生じていた過計
量などによる不良品の発生を低減して歩留りを向上する
ことができ、しかも粉体の供給を高速で行うことができ
て粉体の供給能力を高めることができる。Further, the bulk density of the powder in the secondary hoppers 3 and 4 is strictly controlled, and the motor 1 of the cutting device 13 is controlled.
Since the powder in the secondary hoppers 3 and 4 is cut out into the container 12 by pulse control of the container 1,
It is possible to adjust the filling amount of the powder with respect to 2 with high accuracy. Therefore, it is possible to reduce the occurrence of defective products due to over-metering caused by the variation of the filling amount and improve the yield. Can be supplied at high speed, and the powder supply capacity can be increased.
【００２８】尚、本発明の粉体供給装置は、上述の実施
例にのみ限定されるものではなく、本発明の要旨を逸脱
しない範囲内において種々変更を加え得ることは勿論で
ある。The powder supplying apparatus of the present invention is not limited to the above-mentioned embodiment, and it goes without saying that various modifications can be made without departing from the scope of the present invention.
【００２９】[0029]
【発明の効果】以上、説明したように本発明の粉体供給
装置によれば、１次ホッパー内の粉体がフラッシング等
の異常排出を生じることなく２次ホッパーに安定して供
給されるようになるので、フラッシングによる粉体供給
装置の停止時間が短縮されて生産性を向上できる効果が
ある。As described above, according to the powder feeder of the present invention, the powder in the primary hopper can be stably fed to the secondary hopper without causing abnormal discharge such as flushing. Therefore, there is an effect that the down time of the powder supply device due to flushing is shortened and the productivity can be improved.
【００３０】更に、２次ホッパー内部の粉体の嵩密度を
厳密に制御し、且つ切り出し装置のモータをパルス制御
することにより２次ホッパー内部の粉体を容器に切り出
すようにしているので、容器に対する粉体の充填量を高
精度に調節することができ、従って、充填量のバラツキ
によって生じていた過計量などによる不良品の発生を低
減して歩留りを向上することができ、しかも粉体の供給
を高速で行うことができて粉体の供給能力を高められる
効果がある。Further, the powder density inside the secondary hopper is strictly controlled, and the powder inside the secondary hopper is cut into a container by pulse-controlling the motor of the cutting device. It is possible to adjust the filling amount of the powder with respect to the high precision, and therefore, it is possible to reduce the generation of defective products due to over-metering caused by the variation of the filling amount and improve the yield. There is an effect that the powder can be supplied at high speed and the powder supply capacity can be enhanced.
【図１】本発明の粉体供給装置の形態の一例を示す側面
図である。FIG. 1 is a side view showing an example of the form of a powder supply apparatus of the present invention.
１ １次ホッパー ２ 粉体排出管 ３、４ ２次ホッパー ５ 受圧板 ６ バイブレータ ７ バイブレータ １１ モータ １２ 容器 １３ 切り出し装置 １６ 計量器 １７ 制御器 １８ アジテータ 1 Primary hopper 2 Powder discharge pipe 3, 4 secondary hopper 5 Pressure plate 6 vibrator 7 vibrator 11 motor 12 containers 13 Cutting device 16 scales 17 Controller 18 agitator
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｂ６５Ｂ 37/02 Ｂ６５Ｂ 37/02 37/18 37/18 Ｂ６５Ｄ 88/28 Ｂ６５Ｄ 88/28 88/64 88/64 Ｂ 88/66 88/66 Ｃ 88/68 88/68 Ｅ Ｂ６５Ｇ 65/40 Ｂ６５Ｇ 65/40 Ｄ Ｆターム(参考） 3E055 AA03 BB03 BB07 BB08 CA04 DA03 DA11 EA01 EA07 EB01 3E070 AA19 AB11 GA06 VA02 VA17 WF03 WF04 WF05 WG07 3E118 AA02 AB03 BA08 BB02 BB10 BB14 CA02 DA02 DA03 EA03 EA05 FA04 FA08 FA09 3F075 AA08 BA01 BB01 BB05 CA06 CA09 CC05 DA04 DA09 4G068 AA02 AA03 AA04 AA07 AB22 AC11 AD01 AD16 AD30 AD50 AE03 AF01 AF31 ─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 7 Identification code FI theme code (reference) B65B 37/02 B65B 37/02 37/18 37/18 B65D 88/28 B65D 88/28 88/64 88 / 64 B 88/66 88/66 C 88/68 88/68 E B65G 65/40 B65G 65/40 DF Term (reference) 3E055 AA03 BB03 BB07 BB08 CA04 DA03 DA11 EA01 EA07 EB01 3E070 AA19 AB11 GA06 VA02 VA17 WF03 WF04 WF05 WG07 3E118 AA02 AB03 BA08 BB02 BB10 BB14 CA02 DA02 DA03 EA03 EA05 FA04 FA08 FA09 3F075 AA08 BA01 BB01 BB05 CA06 CA09 CC05 DA04 DA09 4G068 AA02 AA03 AA04 AA07 AB22 AC11 AD01 AD16 AD30 AD50 AE03 AF03
Claims (4)
に粉体排出管を介して接続した２次ホッパーとを有する
粉体供給装置であって、粉体に直接振動を加えることな
く５, ０００回／分以上、１０，０００回／分以下の振
動数を１次ホッパーに与えるバイブレーターを１次ホッ
パーの外部に設け、且つ、粉体に直接振動を加えること
なく１, ０００回／分以上、５０，０００回／分以下の
振動数を粉体排出管に与えるバイブレーターを粉体排出
管の外部に設けたことを特徴とする粉体供給装置。1. A powder supply device having a primary hopper and a secondary hopper connected to a lower portion of the primary hopper via a powder discharge pipe, wherein the powder is supplied without directly vibrating the powder. A vibrator that gives the primary hopper a frequency of 1,000 times / minute or more and 10,000 times / minute or less is provided outside the primary hopper, and 1,000 times / minute without directly applying vibration to the powder. A powder supply device characterized in that a vibrator for giving a frequency of 50,000 times / min or less to the powder discharge pipe is provided outside the powder discharge pipe.
上、５７°以下であり、１次ホッパー内の中心部にコー
ン状の受圧板を備えたことを特徴とする請求項１記載の
粉体供給装置。2. The powder according to claim 1, wherein the discharge angle of the primary hopper is 50 ° or more and 57 ° or less, and a cone-shaped pressure receiving plate is provided in the center of the primary hopper. Body feeding device.
回転して２次ホッパー内の粉体を容器に供給する切り出
し装置を備え、且つ容器内の粉体量を計量する計量器を
備え、前記モータの回転数を細分化して計量器により計
測される粉体の供給量をパルス値に置き換え、１パルス
当りの供給量をフィードバックしながらモータの駆動を
調節する制御器を備えたことを特徴とする請求項１又は
２記載の粉体供給装置。3. The secondary hopper is provided with a cutting device that is driven by a motor to rotate and supplies powder in the secondary hopper to a container, and a scale for measuring the amount of powder in the container. It is characterized by including a controller for subdividing the rotation speed of the motor, replacing the powder supply amount measured by the measuring device with a pulse value, and adjusting the motor drive while feeding back the supply amount per pulse. The powder supply device according to claim 1 or 2.
６０ｒｐｍ以下の回転速度で回転するアジテータを備え
たことを特徴とする請求項３記載の粉体供給装置。4. The secondary hopper has 10 rpm or more,
The powder supply apparatus according to claim 3, further comprising an agitator that rotates at a rotation speed of 60 rpm or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001349258A JP3908510B2 (en) | 2001-11-14 | 2001-11-14 | Powder feeder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001349258A JP3908510B2 (en) | 2001-11-14 | 2001-11-14 | Powder feeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003146310A true JP2003146310A (en) | 2003-05-21 |
| JP3908510B2 JP3908510B2 (en) | 2007-04-25 |
Family
ID=19161952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001349258A Expired - Fee Related JP3908510B2 (en) | 2001-11-14 | 2001-11-14 | Powder feeder |
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| Country | Link |
|---|---|
| JP (1) | JP3908510B2 (en) |
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