JP4155675B2 - Weighing hopper of container reversing type weighing device - Google Patents

Weighing hopper of container reversing type weighing device Download PDF

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Publication number
JP4155675B2
JP4155675B2 JP21175599A JP21175599A JP4155675B2 JP 4155675 B2 JP4155675 B2 JP 4155675B2 JP 21175599 A JP21175599 A JP 21175599A JP 21175599 A JP21175599 A JP 21175599A JP 4155675 B2 JP4155675 B2 JP 4155675B2
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Prior art keywords
container
weighing
measuring
article
axis
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JP2001041814A (en
Inventor
和男 碓氷
裕嗣 岸本
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Yamato Scale Co Ltd
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Yamato Scale Co Ltd
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  • Basic Packing Technique (AREA)
  • Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)

Description

【０００１】
【発明の属する技術分野】
本発明は、主に取り扱う物品が微粒子で流動性がありながら付着性を有する粉体を計量する計量ホッパ内面の付着防止に関する。
【０００２】
【従来の技術】
微粒子で流動性のある粉体を計量する装置として実開昭５８−１２７３２７がある。この出願は顔料などのような粘性を有する流動体を一定の比率で混合する場合において計量容器への物品の付着を防止する考案であって、計量容器を反転させて被計量物品を排出する際に計量容器内にゴムもしくは合成樹脂製のシートを貼っておき計量容器を反転させると同時に計量容器の内面と該シートの間にエヤーを膨出させて該シートが膨張することにより該シートに付着した被計量物品をその自重により落下させて正確な計測をするということが紹介されている。即ち粘性のある流動体の粉末は正確に計量しても計量容器から次工程に排出する際にその内壁面などに付着残存して計量誤差となるため、計量容器から付着物品をいかにして早く遊離するかという問題を解決するものである。又従来からの方法としてバイブレータを用いて計量容器を振動させるものや、該容器の側面をノッカで叩くものなどがある。
【０００３】
更に取り扱う物品が微粒子で流動性が比較的に良い場合でも付着性を有する粉末があり、計量容器を反転しただけでは図５に示すように粉末が容器から流れる際にすじ状に付着して残り、バイブレータやノッカで振動や衝撃を与えても除去できない場合がある。又このような付着を除去する方法としてスクレーパによって計量容器内を掃引し除去する方法も採用されているが、スクレーパへの付着が防止できないことと、スクレーパの摩耗による摩耗くずが物品へ混入するなど新たな問題があり採用が制限されている。
【０００４】
【発明が解決しようとする課題】
従来技術に見られる構造において、例えばバイブレータを使用すると騒音や振動の余韻があり、はかりに少なからず悪影響を与える。又ノッカにおいても衝撃の余韻が計量に影響を与える。特に１回に計測する量が少なく高い分解能で最小単位を管理するいわゆる高精度のはかりにおいては、前述したような僅かな付着やバイブレータの振動の余韻、ノッカの衝撃の余韻でも計量誤差を与えることになり新たな付着防止手段が望まれていた。
【０００５】
【課題を解決するための手段】
前述のような課題を解決するために請求項１乃至３の発明は重量検出器（例えばロードセル）上に物品を受け入れてその重量を計測する計量容器を備え、その計量容器を反転させて計量済みの物品を排出させ、再び反転して物品を受け入れる状態にする計量容器反転装置を備えた容器反転式計量装置において、上記の計量容器反転装置の計量容器反転枢軸の軸心と直交した計量容器回動軸心を設け、計量容器が物品を排出する毎に計量容器の内面における物品の付着痕跡が順次変移するように該計量容器を上記の計量容器回動軸心を中心に回動させることを特徴とした容器反転式計量装置の計量ホッパであり、付着痕跡を順次変移することにより物品の付着を成長させないようにすることができるものである。そして計量容器に物品を受け入れ計量した後、その計量容器を反転させて計量済みの物品を排出し、空になった計量容器を再び反転させて物品受け入れ状態にする計量１サイクル中において、該計量容器に対し少なくとも一回の回動を与えることを特徴としている。又上記の計量容器を回動する手段として電動機を使用したことも本発明の特徴とするところである。
【０００６】
更に請求項４乃至６の発明においては、重量検出器上に設置されていて、物品を受け入れてその重量を計測するための計量容器を２個備え、一方の計量容器が物品を受け入れてその重量を計量できる計測位置にあるとき、他方の計量容器は計量済みの物品を排出する転倒位置をとり得るように構成された枢軸を有し、該枢軸の軸心を中心に２個の計量容器が計測位置及び転倒位置を交互に繰り返すように回転するための容器回転駆動部を備え、上記枢軸の軸心と直交した計量容器回動軸心を設け、各計量容器が物品を排出する毎に計量容器内面における物品の付着痕跡が順次変移するように計量容器を上記の計量容器回動軸心を中心に回動させることを特徴としており、付着痕跡を順次変移することにより物品の付着を成長させないようにすることができるものである。
【０００７】
請求項５においては、上記各計量容器が物品を排出する転倒位置に来る毎に上記計量容器の内面における物品の付着痕跡が順次変移するように、上記計量容器を回動させる手段が上記枢軸を中心として回転する計量容器回転駆動部の回転に伴って回転軸変更手段を介して伝達されることを特徴としている。
【０００８】
請求項６においては、上記各計量容器が物品を排出する毎に上記各計量容器の内面における物品の付着痕跡が順次変移するように、上記計量容器を回動する手段に電動機を用いたことを特徴としたものであり、付着痕跡を順次変移することにより物品の付着を成長させないようにすることができるものである。
【０００９】
【発明の実施の形態】
以下、本発明の実施の形態を図に基づいて説明する。各図に於いて同一機能を有する各構成部分は同一番号にて表記している。図１（Ａ）は本発明の第１の実施例の構成を示す正面図であり、１は計量容器であって物品の受け入れ又は計量中の計測位置を示す図である。図１（Ｂ）は図１（Ａ）の平面図である。２は計量容器支え金具、３は計量容器回動用電動機、４は計量容器反転枢軸、５は軸受、６は計量容器反転駆動部、７は軸心、８は計量容器反転装置、９は重量検出器、１０は計量容器反転装置の取付金具、１１は重量検出器用取付金具、１２は定盤、１３はシュート、１４は計量容器回動軸心であり、計量容器回動軸心は計量容器反転枢軸４の軸心７と直交している。１５は物品である。図２は計量容器を反転させて物品を排出する転倒位置を示す図である。その他は図１と同一である。
【００１０】
本実施例の動作について図１により述べる、今、計量容器に物品を投入して（投入装置は図示せず）計量が完了したと仮定すると、制御装置（図示せず）から物品の排出指令が出て計量容器反転駆動部が作動し、計量容器は図２のように物品を排出する転倒位置になる。物品は計量容器反転駆動部が作動し始めると計量容器の傾きに応じて少しずつ排出を始める。この状態を図５に示す。（ａ）は計量容器１に物品１５が所定量供給されている（ｂ）において計量容器１は転倒を始めた状態であり、物品１５は少しずつ排出を始め（ｃ）の状態を経て転倒状態（ｄ）となり、物品は全て排出されるが（ｂ）（ｃ）（ｄ）に示すように付着痕跡１６が発生している。
【００１１】
従来においては、計量容器は転倒位置から計測位置を繰り返すのみであるため、この付着痕跡１６が除去できないばかりでなくここから更に付着が成長していた。しかし、物品が排出（流出）された所は付着痕跡や付着痕跡から成長した付着物は排出と同時に流されて付着が除去される現象があり、ここに着目して計量容器の排出時の位置を一定とせず、転倒させて排出し、更に回転させて計測するという一連の動作を繰り返す度に、計量容器反転軸心７と直交した計量容器回動軸心を中心として計量容器を少しずつ（例えば６０゜から９０゜の範囲内の任意角度）回動させて計量容器に対する排出位置が常に変わるようにして付着をある一定限度内に止どめることができるようにしたものである。
【００１２】
図３に示すものは、前述した動作を実行するための別の実施例であり、処理能力を考慮して計量容器１及び１’と２個上下に設けたものである。物品１５が受け入れられ、１の計量容器が計測位置にあるので計量は実行可能である。この時計量容器１の反対側に設けた計量容器１´は物品を排出した転倒位置にあり、空になっている状態である。そしてこの動作を行わせるため、計量容器反転駆動部６を設け計量容器反転枢軸４経て上下の計量容器１及び１’はシーケンスに従って反転する。そこで計量容器の回動について説明する。図３に示すように、計量容器反転枢軸４の軸心７と直交した計量容器回動軸心１４には計量容器支え金具２をベースとして軸受けメタル１７を貫通したシャット（図示せず）と共に計量容器１及び１’は対称に回動自在に保持されている。そして該シャフト（図示せず）には傘歯車１８が嵌合されており、計量容器１及び１’と一体的に軸心１４を中心として回動可能となっている。傘歯車１８には傘歯車１９が噛み合っており、傘歯車１９はシュート１３の側壁に計量容器反転枢軸４の軸心７に合致させて固着され回転しない。傘歯車１８及び１９の組合せ部は回転軸変更手段２０と称し、計量容器反転駆動部６により計量容器１及び１’が反転するに伴って、傘歯車１８は固定の傘歯車１９の周囲を廻り軸心７の回転を軸心１４の回動に変えている。そして計量容器一回の回動角度は傘歯車１８及び１９の歯数の比率により決定される。又本実施例の場合はシュート１３を含み計量側となっており、はかりとしての機能を損なわないようシュート１３の上下の接続等はフレキシブルにするなどの配慮が必要である。
【００１３】
図４においては図３と同様に計量容器を上下２個設けた構成であり、異なるところは計量容器の回動手段が電動機３及び平歯車２２及び２３にて伝達される機構である。
【００１４】
【発明の効果】
本発明によると重量検出器上に計量容器反転装置を設置し物品を受け入れ計量して、計量完了後は反転させて計量済みの物品を排出する計量容器反転式の計量装置において、計量容器が計測位置から反転して転倒位置に変る毎に計量容器
を少しずつ回動させて排出口が前回の排出口より異ならせるようにする構成にしたことにより、微粒子で流動性がありながら付着性を有する粉体であっても、計量容器の内面に発生する付着痕跡及び付着痕跡から成長した付着物が物品の排出による流れにより除去されて、一定以上の付着の成長が阻止できるので高い計量精度が推持できる。又従来のようにバイブレータやノッカと言った振動や衝撃を利用したものではなく静かな運転が可能となり、計量への影響が無くなると共に計量容器の変形、破損の恐れがないなどの効果がある。
【図面の簡単な説明】
【図１】 本発明の実施例で計量容器が計測位置にある時の構成を示す正面図（Ａ）と平面図（Ｂ）。
【図２】 本発明の実施例で計量容器が転倒位置にある時の構成を示す正面図。
【図３】 本発明の他の実施例で複数の計量容器を備え計量容器反転駆動部の動力により計量容器を回動させるための構成を示す正面図。
【図４】 本発明の他の実施例で複数の計量容器を備え計量容器の回動手段に電動機を用いた構成を示す正面図。
【図５】 計量容器の排出状態と計量容器への付着痕跡を転倒段階に従って示した図。
【図６】 従来の計量容器反転式計量装置。
【付号の説明】
１ 計量容器
２ 計量容器支え金具
３ 計量容器回動用電動機
４ 計量容器反転枢軸
５ 軸受
６ 計量容器反転駆動部
９ 重量検出器
１０ 計量容器反転装置の取付金具
１１ 重量検出器用取付金具
１２ 定盤
１３ シュート
１５ 物品
１６ 付着痕跡
１８ 傘歯車
１９ 傘歯車
２２ 平歯車
２３ 平歯車[0001]
BACKGROUND OF THE INVENTION
The present invention mainly relates to prevention of adhesion on the inner surface of a weighing hopper for measuring powder having adhesion while the article to be handled is fine and fluid.
[0002]
[Prior art]
Japanese Utility Model Laid-Open No. 58-127327 is an apparatus for measuring fine and fluid powder. This application is a device for preventing adhesion of articles to a measuring container when a fluid having viscosity such as a pigment is mixed at a certain ratio, and when discharging an article to be weighed by inverting the measuring container. Attach a rubber or synthetic resin sheet to the weighing container and invert the weighing container. At the same time, the air expands between the inner surface of the weighing container and the sheet, and the sheet expands to adhere to the sheet. It has been introduced that an accurate measurement is performed by dropping an article to be weighed by its own weight. In other words, even if the fluid powder with viscosity is accurately weighed, when it is discharged from the measuring container to the next process, it remains on the inner wall of the container, resulting in a measurement error. It solves the problem of liberation. Further, as a conventional method, there are a method of vibrating a measuring container using a vibrator and a method of hitting a side surface of the container with a knocker.
[0003]
Furthermore, even if the article to be handled is fine particles and the flowability is relatively good, there is a powder having adhesiveness. If the measuring container is simply inverted, the powder adheres in a streak shape as it flows from the container as shown in FIG. In some cases, it cannot be removed even if a vibration or impact is applied by a vibrator or knocker. In addition, as a method of removing such adhesion, a method of sweeping and removing the inside of the measuring container with a scraper is also employed, but adhesion to the scraper cannot be prevented and abrasion waste due to wear of the scraper is mixed into the article. There are new issues and adoption is limited.
[0004]
[Problems to be solved by the invention]
In the structure found in the prior art, for example, when a vibrator is used, there is a lingering sound of noise and vibration, which has a considerable adverse effect on the scale. Also in knockers, the lingering impact affects the measurement. In particular, in the so-called high-accuracy scale that manages the minimum unit with a small amount of measurement at a high resolution, a measurement error can be given even with the slight sticking, the vibration of the vibrator, and the shock of the knocker. Therefore, a new means for preventing adhesion has been desired.
[0005]
[Means for Solving the Problems]
In order to solve the above-described problems, the inventions of claims 1 to 3 include a weighing container for receiving an article on a weight detector (for example, a load cell) and measuring its weight, and the weighing container is inverted to have been weighed. In a container reversing type weighing device equipped with a weighing container reversing device that discharges and re-inverts the article and receives the article again, the weighing container rotating device orthogonal to the axis of the weighing container reversing pivot of the weighing container reversing device A moving axis is provided, and each time the measuring container discharges an article, the measuring container is rotated about the measuring container rotation axis so that the adhesion trace of the article on the inner surface of the measuring container is sequentially changed. It is a weighing hopper of the container reversal type weighing device which is characterized by being able to prevent the adhesion of articles from growing by sequentially changing the adhesion trace. Then, after receiving and weighing the article into the weighing container, the weighing container is inverted to discharge the weighed article, and the weighing container that has been emptied is inverted again to make it ready to receive the article. It is characterized by giving at least one rotation to the container. It is also a feature of the present invention that an electric motor is used as means for rotating the weighing container.
[0006]
Further, in the inventions according to claims 4 to 6, there are provided two measuring containers installed on the weight detector for receiving the article and measuring its weight, and one measuring container receives the article and its weight. The other weighing container has a pivot configured to be able to take a fall position for discharging the weighed article, and the two weighing containers are centered on the axis of the pivot. It is equipped with a container rotation drive unit that rotates so as to alternately repeat the measurement position and the overturn position, and is provided with a measuring container rotation axis that is orthogonal to the axis of the pivot. It is characterized in that the weighing container is rotated around the rotation axis of the weighing container so that the adhesion trace of the article on the inner surface of the container is sequentially changed, and the adhesion of the article is not grown by sequentially changing the adhesion trace. Like It is what it is.
[0007]
According to a fifth aspect of the present invention, there is provided means for rotating the measuring container so that the adhesion trace of the article on the inner surface of the measuring container is sequentially changed each time the measuring container comes to a fall position for discharging the article. It is transmitted through the rotating shaft changing means in accordance with the rotation of the measuring container rotation driving unit that rotates around the center.
[0008]
In claim 6, an electric motor is used as means for rotating the weighing container so that the adhesion trace of the article on the inner surface of each weighing container is sequentially changed each time the weighing container discharges the article. It is a characteristic, and it is possible to prevent the adhesion of articles from growing by sequentially changing the adhesion trace.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. In each figure, each component having the same function is denoted by the same number. FIG. 1A is a front view showing a configuration of a first embodiment of the present invention, and 1 is a measuring container, and shows a measurement position during receiving or weighing of an article. FIG. 1B is a plan view of FIG. 2 is a measuring container support bracket, 3 is an electric motor for rotating the measuring container, 4 is a measuring container reversing pivot, 5 is a bearing, 6 is a measuring container reversing drive unit, 7 is an axis, 8 is a measuring container reversing device, and 9 is a weight detection device. , 10 is a measuring container reversing device mounting bracket, 11 is a weight detector mounting bracket, 12 is a surface plate, 13 is a chute, 14 is a measuring container rotating axis, and the measuring container rotating axis is the measuring container reversing axis. It is orthogonal to the axis 7 of the pivot 4. 15 is an article. FIG. 2 is a diagram illustrating a fall position where the weighing container is inverted and the article is discharged. Others are the same as FIG.
[0010]
The operation of this embodiment will be described with reference to FIG. 1. Now, assuming that an article has been put into a measuring container (a charging apparatus is not shown) and weighing has been completed, an article discharge command is issued from a control device (not shown). Then, the weighing container reversing drive unit is operated, and the weighing container is in the overturning position for discharging the article as shown in FIG. When the weighing container reversal drive unit starts to operate, the article begins to be discharged little by little according to the inclination of the weighing container. This state is shown in FIG. (A) is a state in which a predetermined amount of the article 15 is supplied to the measuring container 1 (b), the measuring container 1 starts to fall, and the article 15 starts to be discharged little by little, and then falls through the state of (c). As shown in (d), all the articles are discharged, but as shown in (b), (c) and (d), the adhesion trace 16 is generated.
[0011]
Conventionally, since the measuring container only repeats the measurement position from the falling position, not only the adhesion trace 16 cannot be removed but also the adhesion has grown further from here. However, the place where the article is discharged (outflowed) has the phenomenon that the adhesion trace and the deposit grown from the adhesion trace are flushed simultaneously with the discharge and the adhesion is removed. Each time a series of operations of repeating the measurement by turning over and discharging, and rotating and measuring again, the measuring container is gradually moved around the measuring container rotation axis perpendicular to the measuring container reversing axis 7 ( For example, the discharge position with respect to the measuring container is always changed by rotating it to an arbitrary angle within a range of 60 ° to 90 ° so that the adhesion can be stopped within a certain limit.
[0012]
FIG. 3 shows another embodiment for executing the above-described operation, and two measuring containers 1 and 1 ′ are provided above and below in consideration of processing capability. Since the item 15 is received and one weighing container is in the measuring position, weighing can be performed. The measuring container 1 ′ provided on the opposite side of the timepiece container 1 is in an overturned position where the articles are discharged and is empty. In order to perform this operation, the weighing container reversal drive unit 6 is provided, and the upper and lower weighing containers 1 and 1 ′ are reversed according to the sequence via the weighing container reversing pivot 4. Therefore, the rotation of the weighing container will be described. As shown in FIG. 3, the measuring container rotation axis 14 orthogonal to the axis 7 of the measuring container reversing pivot 4 is weighed together with a shut (not shown) penetrating the bearing metal 17 based on the measuring container support bracket 2. The containers 1 and 1 ′ are held so as to be pivotable symmetrically. A bevel gear 18 is fitted to the shaft (not shown), and is rotatable about the axis 14 integrally with the weighing containers 1 and 1 ′. A bevel gear 19 is meshed with the bevel gear 18, and the bevel gear 19 is fixed to the side wall of the chute 13 in alignment with the axis 7 of the measuring container reversing pivot 4 and does not rotate. The combined portion of the bevel gears 18 and 19 is referred to as a rotating shaft changing means 20, and the bevel gear 18 rotates around the fixed bevel gear 19 as the weighing containers 1 and 1 ′ are reversed by the weighing container reversal drive unit 6. The rotation of the shaft center 7 is changed to the rotation of the shaft center 14. The rotation angle of the measuring container once is determined by the ratio of the number of teeth of the bevel gears 18 and 19. In the case of this embodiment, the measuring side including the chute 13 is on the weighing side, and it is necessary to consider that the upper and lower connections of the chute 13 are flexible so as not to impair the function as a scale.
[0013]
FIG. 4 shows a configuration in which two weighing containers are provided in the same manner as in FIG. 3. The difference is a mechanism in which the rotating means of the weighing container is transmitted by the electric motor 3 and the spur gears 22 and 23.
[0014]
【The invention's effect】
According to the present invention, in a weighing container reversing type weighing device that installs a weighing container reversing device on a weight detector, accepts and weighs an article, and then reverses and discharges the weighed article after the weighing is completed, the weighing container measures Every time it reverses from the position and changes to the fall position, the measuring container is rotated little by little so that the discharge port is different from the previous discharge port. Even in the case of powder, the adhesion trace generated on the inner surface of the weighing container and the deposit that has grown from the adhesion trace are removed by the flow due to the discharge of the article, so that the growth of adhesion beyond a certain level can be prevented, so high weighing accuracy is promoted. I can have it. In addition, vibration and impact such as a vibrator and knocker are not used as before, and a quiet operation is possible, and there is an effect that there is no influence on measurement and there is no fear of deformation or breakage of the measurement container.
[Brief description of the drawings]
1A and 1B are a front view and a plan view showing a configuration when a measuring container is in a measurement position according to an embodiment of the present invention.
FIG. 2 is a front view showing a configuration when the weighing container is in a fall position in the embodiment of the present invention.
FIG. 3 is a front view showing a configuration for rotating a measuring container by power of a measuring container reversing drive unit provided with a plurality of measuring containers in another embodiment of the present invention.
FIG. 4 is a front view showing a configuration in which a plurality of measuring containers are provided and an electric motor is used as a rotating means of the measuring container in another embodiment of the present invention.
FIG. 5 is a diagram showing the discharge state of the measuring container and the trace of adhesion to the measuring container according to the overturning stage.
FIG. 6 shows a conventional weighing container reversing type weighing device.
[Explanation of number]
DESCRIPTION OF SYMBOLS 1 Measuring container 2 Measuring container support bracket 3 Measuring container rotation motor 4 Measuring container reversal pivot 5 Bearing 6 Measuring container reversal drive part 9 Weight detector 10 Measuring container reversing device mounting bracket 11 Weight detector mounting bracket 12 Surface plate 13 Chute 15 article 16 adhesion trace 18 bevel gear 19 bevel gear 22 spur gear 23 spur gear

Claims (6)

重量検出器上に設置されており、物品を受け入れてその重量を計測するための計量容器を備え、該計量容器が反転することにより計量済みの物品を排出し、再反転して物品を受け入れる状態にする計量容器反転装置を備えた容器反転式計量装置において、上記計量容器反転装置の計量容器反転枢軸の軸心と直交した計量容器回動軸心を設け、上記計量容器が物品を排出する毎に上記計量容器の内面における物品の付着痕跡が順次変移するように上記計量容器を上記計量容器回動軸心を中心に回動させることを特徴とする容器反転式計量装置の計量ホッパ。Installed on the weight detector, equipped with a weighing container for receiving and measuring the weight of the article, and when the weighing container is inverted, the weighed article is discharged and the article is re-inverted to receive the article In the container reversing type weighing device provided with the weighing container reversing device to be provided, a measuring container rotation axis perpendicular to the axis of the measuring container reversing pivot of the weighing container reversing device is provided, and each time the weighing container discharges an article A measuring hopper for a container reversing type measuring apparatus, wherein the measuring container is rotated about the measuring container rotation axis so that the adhesion mark of articles on the inner surface of the measuring container is sequentially changed. 上記計量容器に物品を受け入れ計量し、その後該計量容器を反転させて上記計量済みの物品を排出し、空になった該計量容器を再反転させて物品を受け入れ状態にする計量１サイクル中において、上記計量容器回動軸心を中心に該計量容器に対し少なくとも一回の回動を与えることを特徴とする請求項１記載の容器反転式計量装置の計量ホッパ。In a cycle of weighing, the article is received and weighed in the weighing container, then the weighing container is inverted to discharge the measured article, and the empty measuring container is reversed again to receive the article. 2. The weighing hopper of the container reversing type weighing apparatus according to claim 1, wherein the weighing container is rotated at least once around the measuring container rotation axis. 計量容器を回動させる手段が電動機であることを特徴とする請求項１記載の容器反転式計量装置の計量ホッパ。2. The weighing hopper of the container reversing type weighing apparatus according to claim 1, wherein the means for rotating the weighing container is an electric motor. 重量検出器上に設置されており、物品を受け入れてその重量を計測するための計量容器を２個備え、一方の計量容器が物品を受け入れてその重量を計量できる計測位置にあるとき、他方の計量容器は計量済みの物品を排出する転倒位置をとり得るように構成された枢軸を有し、該枢軸の軸心を中心に２個の計量容器が回転することにより上記各計量容器が交互に計測位置及び転倒位置を繰り返すことができるように形成されており、上記枢軸の軸心と直交した計量容器回動軸心を設け、上記各計量容器が物品を排出する毎に上記各計量容器の内面における物品の付着痕跡が順次変移するように上記各計量容器を上記計量容器回動軸心を中心に回動させることを特徴とする容器反転式計量装置の計量ホッパ。It is installed on a weight detector and has two weighing containers for receiving and measuring the weight of an article. When one weighing container is in a measuring position where an article can be received and its weight can be measured, the other The measuring container has a pivot configured to be able to take a fall position for discharging the weighed article, and the two measuring containers are rotated around the axis of the pivot so that the measuring containers are alternately arranged. It is formed so that the measurement position and the overturning position can be repeated, and is provided with a measuring container rotation axis that is orthogonal to the axis of the pivot, and each time each measuring container discharges an article, A weighing hopper of a container reversing weighing device, wherein the weighing containers are rotated about the measuring container rotation axis so that the adhesion traces of articles on the inner surface are sequentially changed. 請求項４記載の構成において、上記枢軸の軸心を中心に２個の計量容器が交互に計測位置及び転倒位置を繰り返すことができるように形成されており、上記枢軸の軸心と直交した計量容器回動軸心を設け、上記各計量容器が物品を排出する毎に上記各計量容器の内面における物品の付着痕跡が順次変移するように上記各計量容器を回動させる手段が、上記枢軸の軸心を中心として回転する計量容器回転駆動部の回転に伴って回転軸変更手段を介して伝達されることを特徴とする容器反転式計量装置の計量ホッパ。5. The configuration according to claim 4, wherein two measuring containers are formed so as to be able to alternately repeat the measurement position and the overturning position around the axis of the pivot, and the measurement is perpendicular to the axis of the pivot. A means for rotating each weighing container is provided on the pivot so that a container rotation axis is provided, and each time the weighing container discharges an article, the means for rotating each weighing container so that the adhesion trace of the article on the inner surface of each weighing container is sequentially changed. A weighing hopper of a container reversing type weighing device, wherein the weighing hopper is transmitted through a rotating shaft changing means in accordance with the rotation of a weighing container rotation driving unit that rotates about an axis. 請求項４記載の構成において、上記各計量容器が物品を排出する毎に上記各計量容器の内面における物品の付着痕跡が順次変移するように上記計量容器を回動させる手段が上記枢軸の軸心と直交した計量容器回動軸心を中心として回動する電動機であることを特徴とする容器反転式計量装置のホッパ。5. The structure according to claim 4, wherein means for rotating the measuring container so that the trace of adhesion of the article on the inner surface of each measuring container is sequentially shifted each time the measuring container discharges the article. A hopper for a container reversing type weighing device, characterized in that it is an electric motor that rotates about a measuring container rotation axis orthogonal to the container.
JP21175599A 1999-07-27 1999-07-27 Weighing hopper of container reversing type weighing device Expired - Fee Related JP4155675B2 (en)

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