JPH095148A - Method and apparatus for supplying powder body - Google Patents
Method and apparatus for supplying powder bodyInfo
- Publication number
- JPH095148A JPH095148A JP17694395A JP17694395A JPH095148A JP H095148 A JPH095148 A JP H095148A JP 17694395 A JP17694395 A JP 17694395A JP 17694395 A JP17694395 A JP 17694395A JP H095148 A JPH095148 A JP H095148A
- Authority
- JP
- Japan
- Prior art keywords
- base plate
- powder
- amount
- vibrating
- vibrating feeder
- 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
- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
- Control Of Conveyors (AREA)
- Jigging Conveyors (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、粉体を定量ずつ供給す
る方法および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 method and an apparatus for supplying powder in a fixed quantity.
【０００２】[0002]
【従来の技術】食品や医薬および化学等の産業分野では
種々の粉体が使用されており、粉体を定量ずつ供給する
装置としてスクリューフィーダーや振動フィーダー等が
使用されている。スクリューフィーダーは、粉体を収容
可能なホッパーの下部内にスクリューコンベアを水平状
態で設置し、スクリューコンベアを回転させることによ
り粉体を排出口から切り出すものである。2. Description of the Related Art Various powders are used in industrial fields such as food, medicine and chemistry, and screw feeders, vibration feeders and the like are used as a device for supplying powders quantitatively. The screw feeder is one in which a screw conveyor is installed horizontally in the lower part of a hopper capable of accommodating powder, and the screw conveyor is rotated to cut out the powder from a discharge port.
【０００３】また、振動フィーダーは、図３、図４に示
すように、台板ａを複数のスプリングｂで水平状に支持
し、モータｃによって台板ａに振動を与えるものであ
る。ホッパーｄに収容した粉体を台板ａ上に連続して投
入し、台板ａを振動させれば粉体ｅは徐々に前方に移動
し容器ｆ内に供給される。容器ｆは計量器ｇに載ってお
り、供給される粉体ｅを計量しており、所定量に達する
と粉体ｅの供給を停止する。Further, as shown in FIGS. 3 and 4, the vibrating feeder horizontally supports a base plate a by a plurality of springs b, and gives a vibration to the base plate a by a motor c. When the powder contained in the hopper d is continuously charged on the base plate a and the base plate a is vibrated, the powder e is gradually moved forward and supplied into the container f. The container f is placed on the measuring device g, measures the powder e supplied, and stops the supply of the powder e when a predetermined amount is reached.
【０００４】[0004]
【発明が解決しようとする課題】上記するスクリューフ
ィーダーや振動フィーダーによる粉体の定量供給では、
粉体が付着あるいは固化しにくいサラサラした材質であ
れば問題はないが、例えば、テフロン粉、ステアリン酸
カルシウム粉、炭酸カルシウム粉、亜鉛華粉のような圧
縮性を有する粉体をスクリューフィーダーで切り出す場
合、粉体がスクリューで圧縮され、粉体相互が付着した
りあるいは固化しやすく、このため切り出し、供給を行
うことが非常に困難であった。特に、テフロン粉末の場
合には全く切り出しができない状態となっていた。[Problems to be Solved by the Invention] In the quantitative supply of powder by the above-mentioned screw feeder or vibration feeder,
There is no problem as long as the powder does not adhere or solidify easily, but for example, when compressing powder having compressibility such as Teflon powder, calcium stearate powder, calcium carbonate powder, zinc flour, etc. with a screw feeder. However, the powder is compressed by the screw, and the powders are easily attached to each other or solidified, so that it is very difficult to cut out and supply the powder. Particularly, in the case of Teflon powder, it was impossible to cut out at all.
【０００５】振動フィーダーによる場合は、粉体は、圧
縮性のないものあるいは圧縮性を有するものいずれでも
切り出しは可能であるが、切り出し量の精度を要求する
ことは困難であった。例えば、ある所定量（例えば１Ｋ
ｇ）をある時間（例えば９０秒）である精度（例えば０
〜２ｇ）内で切り出すことは不可能であった。In the case of using a vibrating feeder, it is possible to cut out powder which is incompressible or has a compressibility, but it is difficult to request the accuracy of the cutting amount. For example, a certain predetermined amount (for example, 1K
g) is a certain time (for example, 90 seconds) and an accuracy (for example, 0)
It was impossible to cut out within ~ 2g).
【０００６】これは、図３、図４に示すように、振動状
態の台板ａにホッパーｄから連続して粉体ｅを投入した
時、台板ａ上での粉体ｅの分布状況（かさ密度）は平均
化されている。従来の台板ａは、一定量（例えば１Ｋ
ｇ）を短時間（例えば９０秒）で切り出すために台板ａ
の横巾を２４０ｍｍ程度のお大きさとしているが、前記
のように粉体ｅの分布は平均しているので容器ｆ内に供
給された粉体量が所定量に達し、振動を止めて粉体ｅの
供給を停止しようとしても、スプリングによる振動が直
ぐに止まることがないので、台板ａの前方にある粉体ｅ
が振動余波で落下してしまう。この時の落下量は少なく
ない量であるので、容器ｆ内には必要以上の粉体ｅが供
給される結果となっていた。台板ａの横巾を１００ｍｍ
程度にすると、台板ａ上における粉体ｅの全体量が制限
されるので、ある程度切り出し精度を求めることは可能
であるが、定量に達するまで時間がかかる欠点を有して
いた。As shown in FIGS. 3 and 4, when powder e is continuously fed from the hopper d to the base plate a in a vibrating state, the distribution state of the powder e on the base plate a ( The bulk density) is averaged. The conventional base plate a has a certain amount (for example, 1K
The base plate a for cutting out g) in a short time (for example, 90 seconds)
The width of the powder is about 240 mm, but since the distribution of the powder e is averaged as described above, the amount of the powder supplied into the container f reaches a predetermined amount, and the vibration is stopped. Even if an attempt is made to stop the supply of the body e, the vibration by the spring does not immediately stop, so the powder e in front of the base plate a
Will fall due to the aftermath of vibration. Since the amount of drop at this time is not a small amount, the powder e was supplied more than necessary into the container f. The width of the base plate a is 100 mm
If it is set to a certain level, the total amount of the powder e on the base plate a is limited, so that it is possible to obtain the cutting accuracy to some extent, but there is a drawback that it takes time to reach the fixed amount.
【０００７】本発明は、上記する従来のスクリューフィ
ーダーや振動フィーダーにおける粉体供給に関する種々
の問題点に鑑み、粉体の材質を問うことなく、所定量の
粉体を所定の時間内に所定の精度以内で供給する方法お
よび装置を提供することを目的とするものである。In view of various problems relating to powder supply in the above-mentioned conventional screw feeder and vibrating feeder, the present invention provides a predetermined amount of powder in a predetermined time within a predetermined time regardless of the material of the powder. It is an object of the present invention to provide a method and a device for supplying within accuracy.
【０００８】[0008]
【課題を解決するための手段】上記の目的を達成するた
めに本発明は、振動可能な台板３を有する第一振動フィ
ーダー１と、計量器９上に載って振動可能な台板４を有
する第二振動フィーダー２とからなり、台板３には全体
のかさ密度を平均化して粉体を投入するとともに台板３
から台板４へは、台板４を静止状態として粉体量を計量
しつつかさ密度が一部に集中するよう粉体を切り出し、
台板４から容器１１への粉体の供給量は経時的に変化す
るようにしてある。In order to achieve the above object, the present invention comprises a first vibrating feeder 1 having a vibrating base plate 3 and a vibrating base plate 4 mounted on a weighing instrument 9. It has a second vibrating feeder 2 and has a base plate 3 in which the bulk density of the whole is averaged and a powder is put into the base plate 3 and
From the base plate 4 to the base plate 4, the powder is cut out so that the bulk density is partially concentrated while the base plate 4 is stationary and the powder amount is measured.
The amount of powder supplied from the base plate 4 to the container 11 is changed with time.
【０００９】また、本発明は、スプリング５によって振
動可能に支持した台板３を有する第一振動フィーダー１
と、スプリング６によって振動可能に支持するとともに
計量器９によって計量可能な台板４を有する第二振動フ
ィーダー４とから成っている。台板３と台板４の切り出
し横巾は同じであるか、台板３の切り出し横巾に対し台
板４の切り出し横巾は小さくしてある。Further, according to the present invention, the first vibrating feeder 1 having the base plate 3 oscillatably supported by the spring 5 is provided.
And a second vibrating feeder 4 having a base plate 4 which is oscillatably supported by a spring 6 and which can be weighed by a weighing device 9. The cutout widths of the base plate 3 and the base plate 4 are the same, or the cutout width of the base plate 4 is smaller than the cutout width of the base plate 3.
【００１０】[0010]
【実施例】以下、図面に従って、本発明の一実施例を詳
細に説明する。図１は本発明装置の全体を示し、図２は
装置の一部を示すものであり、供給装置は、第一振動フ
ィーダー１と第二振動フィーダー２によって構成されて
いる。各振動フィーダー１、２は、粉体の流れを案内す
る台板３、４と、台体３、４を水平状態で支持する複数
のスプリング５、６と、台板３、４に振動を与えるモー
タ７、８とからなる基本構造は同じであるが、台板４の
みは計量器９上に載っている。図中符号１０は、粉体を
収容可能なホッパーであって台板３の後方上に配設して
あり、また、台板４の切り出し口の下方には容器１１が
設置され、この容器１１は計量器１２上に載っている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows the whole of the device of the present invention, and FIG. 2 shows a part of the device. The supply device is composed of a first vibrating feeder 1 and a second vibrating feeder 2. The vibrating feeders 1 and 2 give vibration to the base plates 3 and 4 for guiding the powder flow, a plurality of springs 5 and 6 for horizontally supporting the bases 3 and 4, and the base plates 3 and 4. The basic structure consisting of the motors 7 and 8 is the same, but only the base plate 4 is mounted on the measuring instrument 9. In the figure, reference numeral 10 is a hopper capable of accommodating powder, which is arranged on the rear side of the base plate 3, and a container 11 is installed below the cutout port of the base plate 4. Is on the scale 12.
【００１１】次に、粉体の切り出し、供給作業について
説明する。ホッパー１０に収容されている粉体１３は第
一振動フィーダー１の台板３上に投入される。この時、
台板３はモータ７によって振動が与えられているので、
台板３上での粉体１３の分布状況は、図２に示すように
全体のかさ密度が平均化されつつ切り出し方向に進んで
いる。Next, the work of cutting out and supplying the powder will be described. The powder 13 contained in the hopper 10 is put on the base plate 3 of the first vibrating feeder 1. This time,
Since the base plate 3 is vibrated by the motor 7,
As shown in FIG. 2, the distribution of the powder 13 on the base plate 3 proceeds in the cutting direction while the bulk density of the whole is averaged.
【００１２】粉体１３は台板３の振動に従って前方へ移
動し、台板３の先端（切り出し口）から第二振動フィー
ダー２の台板４上に落下する。この時、台板４は静止状
態であり、落下した粉体１３は、図２に示すように落下
地点が最も高くなり、台板４の前方および後方に向けて
自然に流れて全体のかさ密度は山形状態となる。The powder 13 moves forward in accordance with the vibration of the base plate 3 and drops from the tip (cutout) of the base plate 3 onto the base plate 4 of the second vibrating feeder 2. At this time, the base plate 4 is in a stationary state, and the powder 13 that has fallen has the highest drop point as shown in FIG. 2 and naturally flows toward the front and the rear of the base plate 4 and the bulk density of the whole. Is in a Yamagata state.
【００１３】台板４はスプリング６を介して計量器９に
載っているので、計量器９は、台板４やスプリング６お
よびモータ９等を含めた全体の重量を計量している。台
板４、スプリング６およびモータ９の重量はあらかじめ
計算してあるので、これらの重量を供給された粉体１３
の重量を含めた全体重量から差し引くことにより粉体１
３の計量が可能であり、粉体１３重量がある値に達する
と台板３からの粉体１３の切り出しを停止する。この
「ある値」は、最終的に容器１１に供給する粉体量と同
じであるか、それ以上の数値である。Since the base plate 4 is mounted on the weighing device 9 via the spring 6, the weighing device 9 measures the total weight including the base plate 4, the spring 6 and the motor 9. Since the weights of the base plate 4, the spring 6 and the motor 9 are calculated in advance, these weights are supplied to the powder 13
Powder 1 by subtracting from the total weight including
3 can be measured, and when the weight of the powder 13 reaches a certain value, the cutting of the powder 13 from the base plate 3 is stopped. This “certain value” is equal to or more than the amount of powder finally supplied to the container 11.
【００１４】次に、モータ８によって台板４を振動させ
ると、台板４上の粉体１３は前方の低い部分から徐々に
切り出され、容器１１に供給される。山形状に盛り上が
っている粉体１３は、振動によって切り崩されつつ前方
へ移動し、切り出されるが、最も盛り上がっていた部分
の粉体１３が供給されると、容器１１内への供給量は所
定量に近くなり、その後、台板４には少量の粉体１３が
残るので供給量は少しずつとなる。従って、台板４かよ
容器１１への粉体の供給量は経時的に変化することにな
る。Next, when the base plate 4 is vibrated by the motor 8, the powder 13 on the base plate 4 is gradually cut out from the front lower portion and supplied to the container 11. The powder 13 rising in the shape of a mountain moves forward while being broken down by vibration, and is cut out. However, when the powder 13 in the most rising part is supplied, the supply amount into the container 11 is limited. The amount is close to the fixed amount, and thereafter, a small amount of the powder 13 remains on the base plate 4, so that the supply amount is gradually increased. Therefore, the amount of powder supplied from the base plate 4 to the container 11 changes with time.
【００１５】計量器１２が、供給された粉体量が所定量
に達したことを検知すると台板４の振動を停止し、粉体
１３の切り出しを止めるが、台板４上には少量の粉体１
３があるのみであるから、振動余波によって粉体１３が
落下したとしてもその量は少なく、あらかじめ決められ
た粉体量に大きな精度誤差を生ずることはない。When the measuring device 12 detects that the amount of powder supplied reaches a predetermined amount, the vibration of the base plate 4 is stopped and the cutting out of the powder 13 is stopped, but a small amount of powder is left on the base plate 4. Powder 1
Since there is only 3, even if the powder 13 falls due to the aftermath of vibration, the amount thereof is small, and a large accuracy error does not occur in the predetermined powder amount.
【００１６】尚、第一、第二振動フィーダー１、２の台
板３、４の切り出し横巾は、例えば２４０ｍｍと同じ大
きさであってもよいが、台板３の切り出し横巾は２４０
ｍｍとし、台板４の切り出し横巾は１００〜１２５ｍｍ
の大きさとして、台板４の切り出し量を小さくしてもよ
い。台板３よりも台板４の切り出し横巾が小さい場合に
は、粉体の流出を防ぐため、台板３の切り出し口の両側
には受け板１４を設けておけばよい。The cutout widths of the base plates 3 and 4 of the first and second vibrating feeders 1 and 2 may be the same as 240 mm, but the cutout width of the base plate 3 is 240 mm.
mm, and the cut-out width of the base plate 4 is 100 to 125 mm
The cut amount of the base plate 4 may be reduced as the size of. When the cut-out width of the base plate 4 is smaller than that of the base plate 3, the receiving plates 14 may be provided on both sides of the cut-out port of the base plate 3 in order to prevent the powder from flowing out.
【００１７】[0017]
【発明の効果】以上、説明した本発明によれば、第一振
動フィーダー１と第二振動フィーダー２を設け、第一振
動フィーダー１の台板３上にはホッパー１０から平均に
均した状態で粉体１３を投入し、この台板３から第二振
動フィーダー２の台板４への粉体１３の切り出しは、台
板４を静止状態で行うことにより、粉体１３のかさ密度
は一部に集中する。According to the present invention described above, the first vibrating feeder 1 and the second vibrating feeder 2 are provided, and the base plate 3 of the first vibrating feeder 1 is evenly averaged from the hopper 10. The powder 13 is charged, and the powder 13 is cut out from the base plate 3 to the base plate 4 of the second vibrating feeder 2 by performing the base plate 4 in a stationary state, so that the bulk density of the powder 13 is partially reduced. Concentrate on.
【００１８】この状態で台板４に振動を与えつつ粉体１
３を前進させ、容器１１に供給すれば、供給量は少量か
ら大量への曲線を経て所定量に近い供給値に達すると、
その後の供給量は少なくなる。従って、供給量が所定値
に達し、台体４の振動を停止しても振動余波による粉体
１３の切り出し量はきわめて小さいので必要以上の粉体
１３が供給されることはなく、許容範囲内での精度が得
られるものである。In this state, the powder 1 is applied while vibrating the base plate 4.
When 3 is advanced and supplied to the container 11, when the supply amount reaches a supply value close to a predetermined amount through a curve from a small amount to a large amount,
After that, the supply amount will decrease. Therefore, even if the supply amount reaches the predetermined value and the vibration of the base 4 is stopped, the amount of the powder 13 cut out due to the aftermath of vibration is extremely small, so that the powder 13 is not supplied more than necessary and is within the allowable range. The accuracy at is obtained.
【００１９】特に、第二振動フィーダー２の台板４は計
量器９に載っているので、第一振動フィーダー１から第
二振動フィーダー２への切り出し量はある範囲に押さえ
ることができ、従って、台板４から容器１１への供給量
も大幅に越えることはない。また、台板４の切り出し横
巾を台板３のそれよりに小さい巾としておけば、容器１
１への粉体の供給量を少しずつ行えるので、供給量の精
度を高めることができる。In particular, since the base plate 4 of the second vibrating feeder 2 is mounted on the weighing device 9, the cut amount from the first vibrating feeder 1 to the second vibrating feeder 2 can be suppressed within a certain range, and therefore, The supply amount from the base plate 4 to the container 11 does not greatly exceed. If the cut-out width of the base plate 4 is made smaller than that of the base plate 3, the container 1
Since the amount of powder supplied to 1 can be gradually increased, the accuracy of the amount supplied can be increased.
【図１】本発明装置の一実施例を示す全体の斜視図であ
る。FIG. 1 is an overall perspective view showing an embodiment of a device of the present invention.
【図２】本発明装置の一部を示す正面図である。FIG. 2 is a front view showing a part of the device of the present invention.
【図３】従来の供給装置の一例を示す斜視図である。FIG. 3 is a perspective view showing an example of a conventional supply device.
【図４】従来の供給装置の要部の断面図である。FIG. 4 is a sectional view of a main part of a conventional supply device.
１ 第一振動フィーダー ２ 第二振動フィーダー ３ 台板 ４ 台板 ５ スプリング ６ スプリング ７ モータ ８ モータ ９ 計量器 １０ ホッパー １１ 容器 １２ 計量器 １３ 粉体 １４ 受け板 ａ 台板 ｂ スプリング ｃ モータ ｄ ホッパー ｅ 粉体 ｆ 容器 ｇ 計量器 1 1st vibrating feeder 2 2nd vibrating feeder 3 base plate 4 base plate 5 spring 6 spring 7 motor 8 motor 9 metering device 10 hopper 11 container 12 metering device 13 powder 14 receiving plate a base plate b spring c motor d hopper e Powder f Container g Scale
Claims (4)
ーダー１と、計量器９上に載って振動可能な台板４を有
する第二振動フィーダー２とからなり、台板３には全体
のかさ密度を平均化して粉体を投入するとともに台板３
から台板４へは、台板４を静止状態として粉体量を計量
しつつかさ密度が一部に集中するよう粉体を切り出し、
台板４から容器１１への粉体の供給量は経時的に変化す
るようにして成ることを特徴とする粉体の供給方法。1. A first vibrating feeder 1 having a vibrating base plate 3, and a second vibrating feeder 2 having a vibrating base plate 4 mounted on a weighing machine 9, and the base plate 3 is entirely composed of The bulk density is averaged and the powder is added and the base plate 3
From the base plate 4 to the base plate 4, the powder is cut out so that the bulk density is partially concentrated while the base plate 4 is stationary and the powder amount is measured.
A method for supplying powder, characterized in that the amount of powder supplied from the base plate 4 to the container 11 changes with time.
た台板３を有する第一振動フィーダー１と、スプリング
６によって振動可能に支持するとともに計量器９によっ
て計量可能な台板４を有する第二振動フィーダー４とか
ら成ることを特徴とする粉体の供給装置。2. A first vibrating feeder 1 having a base plate 3 vibratably supported by a spring 5, and a second vibrating feeder having a base plate 4 vibratably supported by a spring 6 and measurable by a measuring device 9. 4. A powder supply device comprising:
あることを特徴とする請求項１に記載する粉体の供給装
置。3. The powder supply apparatus according to claim 1, wherein the cut-out widths of the base plate 3 and the base plate 4 are the same.
り出し横巾は小さくしてあることを特徴とする請求項１
に記載する粉体の供給装置。4. The cut-out width of the base plate 4 is smaller than the cut-out width of the base plate 3.
The powder supply apparatus described in 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17694395A JP3584343B2 (en) | 1995-06-21 | 1995-06-21 | Powder supply method and supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17694395A JP3584343B2 (en) | 1995-06-21 | 1995-06-21 | Powder supply method and supply device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH095148A true JPH095148A (en) | 1997-01-10 |
| JP3584343B2 JP3584343B2 (en) | 2004-11-04 |
Family
ID=16022456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17694395A Expired - Lifetime JP3584343B2 (en) | 1995-06-21 | 1995-06-21 | Powder supply method and supply device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3584343B2 (en) |
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|---|---|---|---|---|
| WO2012062330A1 (en) * | 2010-11-11 | 2012-05-18 | Alvibra A/S | System and method for vibration transport |
| WO2013084831A1 (en) * | 2011-12-07 | 2013-06-13 | 花王株式会社 | Application method for powder and application device and method for manufacturing heating element using same |
| CN105417075A (en) * | 2015-11-27 | 2016-03-23 | 太仓圣广仁自动化设备有限公司 | Metering type feeding machine |
| CN106882551A (en) * | 2017-02-17 | 2017-06-23 | 苏州达程祥电子科技有限公司 | Balk cargo feeding machine |
| KR20180020884A (en) | 2016-08-19 | 2018-02-28 | 토와 가부시기가이샤 | Resin molding apparatus and resin molding product manufacturing method |
| KR20180040086A (en) | 2016-10-11 | 2018-04-19 | 토와 가부시기가이샤 | Apparatus and method for supplying resin material, resin molding apparatus and resin molded product manufacturing method |
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| KR102118360B1 (en) * | 2017-03-29 | 2020-06-03 | 주식회사 엘지화학 | Conveyor device |
-
1995
- 1995-06-21 JP JP17694395A patent/JP3584343B2/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012062330A1 (en) * | 2010-11-11 | 2012-05-18 | Alvibra A/S | System and method for vibration transport |
| WO2013084831A1 (en) * | 2011-12-07 | 2013-06-13 | 花王株式会社 | Application method for powder and application device and method for manufacturing heating element using same |
| JP2013139337A (en) * | 2011-12-07 | 2013-07-18 | Kao Corp | Method and device for spreading granular material, and method for manufacturing heating element employing the same |
| CN103958075A (en) * | 2011-12-07 | 2014-07-30 | 花王株式会社 | Application method for powder and application device and method for manufacturing heating element using same |
| CN105417075A (en) * | 2015-11-27 | 2016-03-23 | 太仓圣广仁自动化设备有限公司 | Metering type feeding machine |
| KR20180020884A (en) | 2016-08-19 | 2018-02-28 | 토와 가부시기가이샤 | Resin molding apparatus and resin molding product manufacturing method |
| KR20180040086A (en) | 2016-10-11 | 2018-04-19 | 토와 가부시기가이샤 | Apparatus and method for supplying resin material, resin molding apparatus and resin molded product manufacturing method |
| CN106882551A (en) * | 2017-02-17 | 2017-06-23 | 苏州达程祥电子科技有限公司 | Balk cargo feeding machine |
| CN112657709A (en) * | 2020-11-26 | 2021-04-16 | 深圳市众诚达应用材料科技有限公司 | Control method of continuous powder feeding device |
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| Publication number | Publication date |
|---|---|
| JP3584343B2 (en) | 2004-11-04 |
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