JPS58190725A

JPS58190725A - Combined weighing or counting method

Info

Publication number: JPS58190725A
Application number: JP7365682A
Authority: JP
Inventors: Kazukiyo Minamida; 南田　和清; Yoshiharu Asai; 義晴浅井
Original assignee: Ishida Scales Manufacturing Co Ltd; Ishida Co Ltd
Current assignee: Ishida Scales Manufacturing Co Ltd; Ishida Co Ltd
Priority date: 1982-04-30
Filing date: 1982-04-30
Publication date: 1983-11-07
Also published as: JPH0464013B2

Abstract

PURPOSE:To maintain the normal operation of a cycle of weighing articles by a method wherein, when a combination of weighing machines within set allowance limits can not be found in selected machines, new machines to be made to participate in the combination are selected over again from all the weighing machines only after machines wherefrom articles have been discharged last time are supplied again with articles and deliver weighing data, in a combined weighing or counting method wherein weighing machines in the prescribed number or below are selected from all the machines to be combined for calculation. CONSTITUTION:When a combination of weighing machines within set allowance limits can not be found in a combination cycle H, no discharge of articles is conducted, and weighing machines 5, 9, 11, 12 and 14 whereto articles have been discharged last time are supplied again with articles. Then, in the following cycle J of selection of weighing machines, the machines to be made to participate in the next combination are selected from all weighing machines. Thus, the normal operation of cycles of weighing articles is maintained. Along with such an operation, the machines supplied with an insufficient quantity of articles are detected from the machines made to participate in the combination, and articles are supplied additionally to said detected machines in the subsequent cycle of supply of articles. Thus, the insufficiency of the quantity of supply of articles, which is a factor of an error, is compensated.

Description

[Detailed description of the invention]

この発明は、複数の計量機に物品（被計量物）を供給し
て各計量データを組合せ、その組合せ合計値が設定値に
等しいが又は最も近い組合せを求めて、求めた組の組合
せ合計値が設定許容範囲内にあれば、当該組合せの計量
機から物品を排出して、物品の定量計量を行う組合せ針
量又は計数方法に関する。この種の組合せ計量又は計数方法に関しては。従来から種々の改良が試みられているが３本出願人は先
に特願昭５５−１６２９８３号において１組合せ計量精
度を一定に保持したまま従来のものよりも更に計量速度
を高速化させた新たな方法を開示した。ところが、物品の性状等によっては、計量機への物品の
供給にむらを住する場合があり、かかる時には、予め定
めた組合せを総て実行しても、設定許容範囲内に含まれ
る計量機の組合せを見い出すことができないことがある
。　このような場合の措置としては、いずれかの計量器
（３）に物品を追加供給して、再び同じ計量機紐で組合せを実
行する方法が知られている。しかし、この方法では、物品を追加供給した計量機をａ
・ず次の組合せに参加させねばならないので、計量速度
の高速化を図った前記開示の発明方法には、この方法を
採用することはできない。なぜならば、前記発明方法で
は、物品が供給される計量機は２次々回の組合せにおい
て初めて組合せ参加可能となるからである。そ弔で、設定許容範囲内に含まれる計量機の組合せが見
い出し得ない場合に、前記発明方法における計量速度の
高速化を損わずに、速やかに設定許容範囲内に含まれる
組合せを見い出すことのできる新たな方法の開発が要望
されていた。この発明は、この要望に応えるべく開発したもので、物
品の計量サイクルを乱さずに、速やかに設定許容範囲内
に含まれる組合せを見い出すことができ、又、その際に
、かかる組合せを見い出し得ない要因となった物品の供
給量不足（４）等も併せて補整することのできる新たな方法を提供する
ことを目的とする。以下この発明方法を図面に基づいて説明する。第１図はこの発明方法を模式的に示す計量サイクルの一
例を示す。図において（Ａ）は。１５台の計量機に物品が供給された状態を示し。（Ｂ）はその１５台の計量機から１０台の計量機を次の
組合せに参加させる計１ｔａｔｉとして選択した状態を
示す。（Ｃ）は（Ｂ）において選択した計量機について
組合せ演算し、その組合せ合計値が設定許容範囲内にあ
る組合せの計量機（図では、計量機番路が１．３，４，
６．８の計量機）から物品を排出した状態を示す。そし
て（Ｄ）及び（Ｇ）は、前回の組合せに参加しなかった
計量機と、前回の組合せに参加はしたが物品の排出組に
は選ばれなかった残りの計量機とから、１０台の計量機
を次の組合せに参加させる計量機として選択した状態を
示す。この場合９組合せ参加可能な計量機が１１台以上
ある時は、最大１０台を選択し、又９組合せ参加（５）可能なδ土量機が９台以下である時は、その総てを選択
する。そして、物品を排出した計量機には、直ちに新た
な物品を供給し、供給された計量機は２次々回の組合せ
演算において組合せ参加可能となるように設定している
。そしてこの発明では１組合せ演算の結果、設定許容範囲
内に含まれる組合せの組を見い出すことができない時は
、前回に物品が排出された計量機が再度の物品供給を受
けるのを待って。新ためて前計量機のなかから２次回の組合せに参加させ
る新たな計量機紐を選択する。第１図では、　（Ｈ）の組合せサイクルにおいて、設定
許容範囲内に含まれる組合せの組を見い出すことがきな
かった場合を示す。そして。この場合には、物品の排出を行なわずに、前回に物品が
排出された計量機（計量機番路が、５９．１１，１２．
１４の計量機）が再度の物品供給を受けた後に２次の（
Ｊ）の計量機の選択サイクルにおいて、新ためて全計量
機のなかから次回の組合せに参加させる計量機を選択す
る。（６）そして、この発明において、前回に物品が排出された計
量機が再度の物品供給を受けるのを待つのは、物品の計
量サイクルを乱さないためであり、かつ２次回の組合せ
において、充分な精度で組合せ演算ができる台数の針量
機を確保するためである。又１次回の計量機の組合せに
おいて、新ためて全計量機のなかから組合せに参加させ
る新たな計量機紐を選択するのは、かかるエラーの再発
を防止するためである。これによって、物品の計量サイクルを乱さずに１次回の
組合せにおいて、適合する組合せを見い出すことができ
、したがって、計量速度を落さずに正常な動作状態に速
やかに復帰させることができる。又、かかる操作に併せ
て２組合せに参加させた計量機のなかで、計量データの
小さいもの、すなわち、物品の供給量不足の計量機を検
出して１次の物品の供給サイクルで当該検出計量機に物
品を追加供給して行けば、物品の計量サイクルを乱さず
にかかるエラーの要因となった物品の供給量不足を併せ
て補整して（７）行くことができる。第２図は、この発明方法の実施に使用する装置のプロ、
り線図の一例を示し、第３図、第４図はその動作のフロ
ーチャートを示す。ノ第２図において、計量部（１）は９例えば１５台の計量
機（Ｗｌ）〜（Ｗｌ５）を円形に等配することにより構
成されており、その各計量機（Ｗｌ）〜（Ｗｌ５）は１
組合せ演算部（２）からの排出指令信号（Ｓｌ）によっ
て。それらの計量ホッパー（図示せず）に供給された物品を
排出し、その一定時間経過後に供給部（Ｆｌ）〜（Ｆｌ
５）から物品の供給を受けて計量データ（Ｄｌ）〜（Ｄ
ｌ５）を出力するように構成される。また、各供給部（
Ｆｌ）〜（Ｆｌ５）は前記各計量機（Ｗｌ）〜（Ｗｌ５
）に対応して設けてあり、タイマー回路（Ｔ１）〜（Ｔ
１５）からの供給指令信号（Ｓ２）を受けて、それに対
応する計量ホッパーに所定量の物品を供給するように構
成される。タイマー回路（Ｔ１）〜（Ｔ１５）は、前記（８）計量ホッパーからの物品の排出開始と、これに対する物
品の供給開始との間に一定の時間差を持たせるためのも
ので、前記排出指令信号（Ｓｌ）を入力し、その一定時
間経過後に前記供給指令信号（Ｓ２）を出力する。各計量機（Ｗｌ〉〜（Ｗｌ５）から出力される計量デー
タ（ＤＩ）〜（Ｄｌ５）は９組合せ演算部（２）から出
力される組合せ指令信号（Ｓ３）によって指定された計
量機の計量データのみが第１のマルチプレクサ（３）を
順次導ｉしてＡ／Ｄ変換器（４）に送られ、ここでデジ
タル量に変換されて組合せ演算部（２）に順次導入され
る。そして、この場合の組合せ演算部（２）に対する計
量データ（Ｄｌ）〜（Ｄｌ５）の選択導入は、前記第１
のマルチプレクサ（３）に組合せ指定信号（Ｓ３）を入
力して、指定した計量機（Ｗｌ）〜（Ｗｌ５）の計量デ
ータ　（Ｄｌ）〜（Ｄｌ５）のみを順次転送することに
より行う。又、計量機（Ｗｌ））〜（Ｗｌ５）の選択は
、前回排出されなかった（９）計量機のうちで、物品の排出回数の少ないものから優先
的に最大１０台を選択して行う。そして、この場合の各
計量機（Ｗｌ）〜（Ｗｌ５）に対する物品の非排出回数
の計数は、各計量機（Ｗｌ）〜　（Ｗｌ５）に対応させ
て設けた非排出カウンター（ＣＩ）〜（Ｃ１５）によっ
て行なう。非排出カウンター（Ｃ１）〜（Ｃ１５）は。糾合セ演算開始信号（Ｓｏ）を人力し、これを非排出信
号と見なすことによって非排出回数を計数し、物品が排
出されれば、排出された計量機の非排出カウンターに、
前記排出指令信号（Ｓｌ）を入力することによって当該
カウント値を零クリヤする。すなわち、排出指令信号（
Ｓｌ）が人力されない限り、非排出回数は。演算開始信号（Ｓｌ）が入力するたびに計数されること
になる。このようにして計数されたカウント値は１選択制御部（
４）に入力され、ここで、前回排出されなかった計量機
に対応するカウント値が。（１０）次段の順序回路（５）に選択出力される。そして、この場合の選択制御は、排出に指定された計量
機に対して供給される排出指令信号（Ｓｌ）を２第２の
マルチプレクサ（６）を介して選択制御部（４）に入力
することにより行なう。順序回路（５）では、この選択制御部（４）から出力さ
れた計量機に対応するカウント値を大きい順に整列させ
、整列させたカウント値。並びにそれに対応する計量機番号This invention supplies articles (objects to be weighed) to a plurality of weighing machines, combines each weighing data, finds a combination whose combined total value is equal to or closest to a set value, and calculates the combined total value of the set. If the value is within the set allowable range, the article is discharged from the weighing machine of the combination and the article is quantitatively weighed. Regarding this kind of combination weighing or counting method. Although various improvements have been attempted in the past, the present applicant has previously proposed in Japanese Patent Application No. 162983/1983 a new method that increases the weighing speed even faster than the conventional one while keeping the single combination weighing accuracy constant. disclosed a method. However, depending on the properties of the goods, the supply of goods to the weighing machine may be uneven, and in such cases, even if all the predetermined combinations are executed, the parts of the weighing machine that are within the set allowable range may be unevenly supplied. Sometimes it is not possible to find a combination. As a measure in such a case, a method is known in which an additional article is supplied to one of the weighing machines (3) and the combination is performed again using the same weighing machine string. However, with this method, the weighing machine that has additionally supplied the goods is
- Since it is necessary to participate in the following combinations, this method cannot be adopted in the method of the invention disclosed above, which aims to increase the metering speed. This is because, in the method of the invention, the weighing machines to which the articles are supplied are able to participate in the combination for the first time in two successive combinations. To promptly find a combination of weighing machines that falls within the set tolerance range without impairing the acceleration of the weighing speed in the method of the invention when a combination of weighing machines that falls within the set tolerance range cannot be found. There was a demand for the development of a new method that could do this. The present invention was developed in response to this need, and it is possible to quickly find combinations that fall within the set tolerance range without disturbing the weighing cycle of articles, and also to be able to find such combinations at that time. The purpose of this project is to provide a new method that can also compensate for the lack of supply of goods (4), which was a factor in the lack of supply. The method of this invention will be explained below based on the drawings. FIG. 1 shows an example of a weighing cycle schematically illustrating the method of this invention. In the figure, (A) is. This shows the state in which goods are supplied to 15 weighing machines. (B) shows a state in which 10 weighing machines are selected from the 15 weighing machines to participate in the next combination as a total of 1 tati. In (C), the combination calculation is performed for the weighing machines selected in (B), and the combined total value is within the setting allowable range (in the figure, the weighing machine numbers are 1.3, 4,
6.8 shows the state in which the goods are discharged from the weighing machine). Then, (D) and (G) are the 10 weighing machines that did not participate in the previous combination and the remaining weighing machines that participated in the previous combination but were not selected for the article discharge group. Indicates a state in which the weighing machine is selected as a weighing machine to participate in the next combination. In this case, if there are 11 or more weighing machines that can participate in 9 combinations, select a maximum of 10, or select 9 combinations (5) If there are 9 or less possible δ earth weighing machines, select all of them. select. Then, a new article is immediately supplied to the weighing machine that has discharged the article, and the supplied weighing machine is set so that it can participate in the combination in the second and subsequent combination calculations. According to the present invention, when a set of combinations included within the set tolerance cannot be found as a result of one combination calculation, the weighing machine from which the article was previously discharged waits until the weighing machine receives the article again. A new weighing machine string is selected from among the previous weighing machines to participate in the second combination. FIG. 1 shows a case where, in the combination cycle (H), a set of combinations falling within the set tolerance range could not be found. and. In this case, instead of discharging the article, the weighing machine from which the article was previously discharged (the weighing machine number is 59.11, 12.
After the 14th weighing machine) receives another supply of goods, the second weighing machine (14)
In the weighing machine selection cycle of J), a weighing machine to participate in the next combination is newly selected from all the weighing machines. (6) In this invention, the reason for waiting for the weighing machine from which the article was previously discharged to receive the article again is to avoid disturbing the weighing cycle of the article, and to ensure that the second combination is sufficiently This is to ensure a sufficient number of needle metering machines that can perform combination calculations with high accuracy. Furthermore, in the first combination of weighing machines, a new weighing machine string is selected from among all the weighing machines to participate in the combination in order to prevent such errors from occurring again. As a result, a suitable combination can be found in the first combination without disturbing the weighing cycle of the articles, and therefore, the normal operating state can be quickly restored without reducing the weighing speed. In addition, among the weighing machines participating in the two combinations in conjunction with this operation, a weighing machine with small weighing data, that is, a weighing machine with an insufficient supply of goods, is detected and the detected weighing machine is carried out in the first supply cycle of goods. By supplying additional articles to the machine, it is possible to compensate for the insufficient supply of articles that caused the error without disturbing the article weighing cycle (7). Figure 2 shows the equipment used to carry out the method of this invention.
An example of a line diagram is shown, and FIGS. 3 and 4 are flowcharts of the operation. In Fig. 2, the weighing section (1) is constructed by equally distributing 9, for example, 15 weighing machines (Wl) to (Wl5) in a circle, and each of the weighing machines (Wl) to (Wl5) is 1
By the discharge command signal (Sl) from the combination calculation section (2). The articles supplied to those weighing hoppers (not shown) are discharged, and after a certain period of time, the supply parts (Fl) to (Fl
5) When goods are supplied from
l5). In addition, each supply section (
Fl) to (Fl5) are the respective weighing machines (Wl) to (Wl5)
), and the timer circuits (T1) to (T
The weighing hopper is configured to receive a supply command signal (S2) from 15) and supply a predetermined amount of articles to the corresponding weighing hopper. The timer circuits (T1) to (T15) are used to maintain a certain time difference between the start of discharging the articles from the weighing hopper (8) and the start of supplying the articles thereto, and the timer circuits (T1) to (T15) are used to maintain a certain time difference between the start of discharging the articles from the weighing hopper (8) and the start of supplying the articles thereto. (Sl) is input, and after a certain period of time has elapsed, the supply command signal (S2) is output. The weighing data (DI) to (Dl5) output from each weighing machine (Wl> to (Wl5)) is the weighing data of the weighing machine specified by the combination command signal (S3) output from the 9 combination calculation section (2). are sequentially guided through the first multiplexer (3) and sent to the A/D converter (4), where they are converted into digital quantities and sequentially introduced into the combination calculation section (2). In this case, the selective introduction of the measurement data (Dl) to (Dl5) to the combination calculation unit (2) is as follows.
This is done by inputting the combination designation signal (S3) to the multiplexer (3) of , and sequentially transferring only the weighing data (Dl) to (Dl5) of the designated weighing machines (Wl) to (Wl5). Further, the selection of the weighing machines (Wl) to (Wl5) is performed by preferentially selecting up to 10 weighing machines from among the (9) weighing machines that have not discharged the article last time, starting from those that have discharged the least number of times. In this case, the number of times the article is not discharged for each weighing machine (Wl) to (Wl5) is counted by non-discharging counters (CI) to (C15) provided corresponding to each weighing machine (Wl) to (Wl5). ). Non-discharge counters (C1) to (C15) are. The number of non-discharges is counted by manually inputting the computation start signal (So) and considering this as a non-discharge signal, and when the article is discharged, the non-discharge counter of the weighing machine where it was discharged is displayed.
The count value is cleared to zero by inputting the discharge command signal (Sl). In other words, the discharge command signal (
Unless Sl) is manually operated, the number of non-emissions is. It is counted every time the calculation start signal (Sl) is input. The count value counted in this way is stored in the 1 selection control section (
4), where the count value corresponding to the weighing machine that was not discharged last time is entered. (10) Selectively output to the next stage sequential circuit (5). The selection control in this case involves inputting the discharge command signal (Sl) supplied to the weighing machine designated for discharge to the selection control section (4) via the second multiplexer (6). This is done by In the sequential circuit (5), the count values corresponding to the weighing machines outputted from the selection control section (4) are arranged in descending order, and the arranged count values are obtained. and the corresponding weighing machine number

【各計量機（Ｗｌ）〜
（Ｗｌ５）を特定するために付した付番】とを次段の選
択部（７）に出力する。選択部（７）では、この入力信号に基づいて物品の排出
回数の少ない計量機から順次優先的に一定台数以下２例
えば、１１台以上あれば最大１０台を選択して１選択し
た計量機を次回の組合せに参加させる計量機として、第
３のマルチプレクサ（８）を介して組合せ演算部（２）
に指定する。この場合、排出回数が同数の計量機が複数
ある時は、前記計量機番号の小さいも（ＩＩ）のから順次選択する。組合せ演算部（２）は、Ａ／Ｄ変換器（４）から順次送
られた計量データ（Ｄｌ）〜（Ｄｌ５）を、内蔵するレ
ジスタ内に一時書き込み、これを所定の組合せ手順で順
次組合せて設定器（９）から出力される設定値に最も近
い値となる組合せを１組求め、求めた１組の組合せ計量
値を比較部（１０）に送る。この時、設定値を設定許容
範囲の下限値と等しく設定すれば、設定値に等しいか、
設定値以上で設定値に最も近い値となる組合せを１組求
めるようにする。比較部（１０）では、送られた組合せ合計値が、設定許
容範囲内にあるか否かを、上下限設定器（１１）　　（
１２）から出力される上限値並びに下限値と比較する。なお９組合せ演算の開始は、この組合せ計量装置と連動
させた包装機（図示せず）からの物品の排出要求信号を
。演算開始信号（ＳＯ）として入力することにより行なう
。（Ｉ２）比較の結果２組合せ合計値が設定許容範囲内にあれば、
アントゲ−）（１３）に合格信号（Ｓ４）を出力して、
その組合せを構成する計量機のアンドゲート　（１３）
を閉じ、これにより、当該計量機に物品の排出指令信号
（Ｓｌ）を組合せ演算部（２）から出力する。一方２組合せ合計値が設定許容範囲外となった時は、物
品を排出せずに次の動作に移行する。すなわち、設定許容範囲外となる態様には。設定許容範囲以下になる場合と２以上になる場合とがあ
る。そして、以下となる原因としては。各計量機（Ｗｌ）〜（Ｗｌ５）に対する物品の供給量不
足が考えられる。　そこで、以下となったときは、比較
部（１０）から以下の信号（Ｓｄ）を出力させ、これを
オアゲート　（１４）を介して軽量検出部（１５）に入
力し、供給量不足の計量機を検索させる。軽量検出部（１５）は１組合せ演算部（２）から１組合
せに参加した計量機番号と、それに対応する計量データ
とを常時取り、込んでおり。（１３）前記以下の信号（Ｓｄ）が入力した時は、これを動作開
始信号として、取り込んだ計量データのうちで最も軽い
計量機を少なくとも１台検出する。　この場合、一定の
基準値を設定しておき、これに満たない計量機を総て検
出するようにしても良い。供給量不足の計量機が検出されると、軽量検出部（１５
）は、当該検出計量機に対応する供給部に、物品の追加
供給信号（Ｓ５）を出力し。同時に次の組合せ演算に対する当該検出計量機の組合せ
参加を禁止するために、この追加供給信号（Ｓ５）を第
２のマルチプレクサ（６）を介して選択制御部（４）に
入力する。　そして。この場合の追加供給は、計量ホッパーに対する物品の供
給タイミングと同一のタイミングで行なう。したがって
、当該追加供給の計量機は。次々回の組合せにおいて組合せ参加可能となる。一方１組合せ合計値が設定許容範囲以上となる時の原因
としては、各計量機（Ｗｌ）〜（Ｗｌ５）に対する物品
の供給量過多が考えら（１４）れる。　そこで１以上となったときは、前回物品が排出
された計量機が、再度の物品供給を受けて計量データを
出力した後に、新ためて全計量機のなかから次回の組合
せに参加させる新たな組合せの組を選択して、この組で
１組合せ演算を行なわせる。この場合の選択方法としては２種々考慮されるが、ここ
では１５台の計量機（Ｗｌ）〜（Ｗｌ５）を５台づつＡ
、Ｂ、Ｃの３組に分け。この３組から２組を選択して組合せ演算を行なわせる。　そして、比較の結果、設定許容範囲以上となったとき
は、比較部（１０）から以上の信号（Ｓｕ）を出力させ
、これをグループ分は制御部（１６）に入力する。　当
該制御部（１６）は、この入力信号に基づいてＡ、Ｂ。０３組のうち２組を選択し２選択した計量機を次の組合
せに参加させる計量機として指定する。そして、その指定信号（Ｓ６）を第３のマルチプレクサ
（８）を介して組合せ演算部　（２）に入力する。　又
、この場合の指定信号（Ｓ６）は９次に出力される演算
開始信号（Ｓｏ）に同期して出力される。なお１図中において（Ｓ７）は、グループ分は制御部（
１６）から出力される前記指定信号（Ｓ６）を組合せ演
算部（２）に入力するための信号切換制御信号である。　又、この制御部（１６）には、前記合格信号（Ｓ４）
あるいは前記以下の信号（Ｓｄ）が、その動作解除信号
として人力され、これにより２組合せ合計値が設定許容
範囲以内或は以下となったときにこの制御部（１６）の
動作が解除される。次に、このような動作手順を第３図並びに第４図に基づ
いて説明する。まず、初期状態においては、非排出カウンター（ＣＩ）
〜（Ｃ１５）のカウント値を零りリヤーシ、シかる後１
選択制御部（４）で排出されなかった計量機（Ｗｌ）〜
（Ｗｌ５．）を選択し１次に選択シタ計量＠　（Ｗｌ）
　〜（Ｗｌ　５）に対応するカウンター（”’ＣＩ　）
〜（Ｃ１５）のカウント値を順序回路（５）において整
列させる。　そして選択部（７）において、カウント値
の大きい順に最大１０台の計量機を選択する。この場合、初期状態においては、カウント値は総て零で
あるため、計量機番号の小さいものより順次１０台を選
択する。この状態で包装機からの演算開始信号（ＳＯ）を待ち、
当該信号（Ｓｏ）の入力によって、非排出カウンター（
Ｃ１）〜（Ｃ１５）をカウントアツプするとともに１選
択された１０台の計量機（Ｗｌ）〜（ＷＩＯ）で１組合
せ演算を実行する。この場合、各計量機（Ｗｌ）〜（Ｗ
ｌ５）の計量ホッパーは、空の状態にあるので、前記比
較部（１０）からは、以下の信号（Ｓｄ）が出力される
。したがって、計量データの最も小さい計量機が、軽量
検出部（１５）で検出され、その検出計量機に対応する
供給部に、物品の追加供給信号（Ｓ５）が出力される。そして１次の組合せ演算が行なわれる間に。当該検出計量機に物品が供給される。この場合。軽量検出部（１５）に計量ホッパーの空状態を（１７）併せて検出させれば２次の物品供給サイクルで。選択された１０台の計量機（Ｗｌ）〜（ＷＩＯ）に物品
を供給することができる。又、このような追加供給動作
は、初期状態の時ばかりでなく。運転途中において１組合せ演算部（２）で求めた設定値
に最も近い組の組合せ合計値が、設定許容範囲以下とな
った場合も同様に行なわれる。次に１次の組合せ計量機の選択においては。当該追加供給に指定された計量機以外の計量機から、前
記手順でもって最大１０台の計量機が選択され９選択さ
れた計量機で次の組合せ演算が実行される。　例えば、
前回の組合せ演算の結果、１０台の計量機（Ｗｌ）〜（
ＷＩＯ）が追加供給に指定されたときり、今回の組合せ
演算においては残り５台の計量機（Ｗｌｌ）〜（Ｗｌ５
）が組合せ参加の計量機に指定され。指定された５台の計量機で組合せ演算が実行される。　
　しかし、この５台の計量機（Ｗ１１〜Ｗ１５）の計量
機ホッパーは、まだ空状態にあるので、前記同様の手順
を経て１次の組合せ動（Ｉ８）作に移行する。次の組合せでは、いずれの計量機（ＷＩＬ）〜（Ｗｌ５
）もいまだ物品の排出が行なわれていないので、計量機
番号１〜１０までの１０台の計量機（Ｗｌ）〜（ＷＩＯ
）が次の組合せに参加する計量機として選択される。その演算開始信号（ＳＯ）を待つ間に、これら１０台の
計量機（Ｗｌ）〜（か１０）は、前々回の物品の追加供
給により、物品の計量完了状態となっている。そして１組合せ演算の結果１合計値が設定許容範囲内に
含まれれば、当該組合せを構成する計量機に物品の排出
指令信号（Ｓｌ）を出力して物品を排出させ、同時にこ
の排出指令信号（Ｓｌ）で、排出に指定された計量機に
対応する非排出カウンター（Ｃ１）〜（Ｃ１５）を零ク
リヤーする。　　そして、一定時間経過後にタイマー回
路（Ｔ１）〜（Ｔ１５）から、当該排出計量機に対応す
る供給部に物品の供給指令信号（Ｓ２）が出力され、当
該計量機の計量ホッパーに所定量の物品が供給される。又、この排出指令信号（Ｓｌ）の出力に同期して、当該
検出計量機以外の計量機から２次の組合せに参加させる
計量機が前記手順でもって選択され１次の演算開始信号
（ＳＯ）で選択した計量機の組合せ演算が実行される。又１組合せ演算部（２）で求めた設定値に最も近い組の
組合せ合計値が設定許容範囲以上となれば、物品の排出
を行なわずに、第４図のフＩＵ−に示ず動作に移行する
。すなわち、グループ分は制御部（１６）は。まず１５台の計量機（Ｗｌ）〜（Ｗｌ５）をＡ、Ｂ、Ｃ
の３組に分け、まず最初においてはそのうらの（Ａ、Ｂ
）の２組を次回の組合せ計量機として指定する。　そし
て、演算開始信号（ＳＯ）でこの（Ａ、Ｂ）２組の計量
機に対して組合せ演算を実行し、設定値に最も近い組の
組合せ合計値が設定許容範囲内にあれば、第３図に示す
通常の動作に移行し、設定許容範囲以上であれば、第３
図に示す追加供給の動作に移行する。　そして、設定許
容範囲以上であれば。次の演算開始信号（Ｓｏ）を待って（Ｂ、　Ｃ，）２組
による新たな計量機に対して組合せ演算を実行する。　
そして、さらに設定許容範囲以上となれば、今度は（Ａ
、Ｃ）２組の計量機に対して組合せ演算を実行する。　
それでも組合せ合計値が設定許容範囲以上となれば、こ
れらの計量機の計量データを変更するために、　（Ａ。Ｃ）の２組に属する計量機のうちで、計量データの小さ
いものを前記軽量検出部（１５）で検出させて、当該検
出計量機に物品の追加供給を行なう。　そして、この場
合の軽量検出部（１５）に対する動作指令は、前記以上
の信号（Ｓｕ）と（Ａ、Ｃ）の２組に対する組合せ演算
終了信号（Ｓ８）とを、アンドゲート（１７）を介して
軽量検出部（１５）に入力することにより行なう。以上、　　（Ａ、Ｂ）（Ｂ、Ｃ）（Ｃ，Ａ）の各組に対
する組合せ演算を１通り終えても２組合せ合計値が設定
許容範囲以上にしかならなけれ（２１）ば、前記手順で計量データを変えた（Ａ、Ｂ）の組につ
いて再度組合せ演算を実行する。このようにして（Ａ、
Ｂ）（Ｂ、Ｃ）（Ｃ，Ａ＞とその組合せを変え、かかる
１通りの組合せを３度繰り返しても１組合せ合計値が設
定許容範囲以上にしかならなければ、もはや適合する組
合せを見い出すことはできないと考えられるので、警報
器（１８）を駆動して、総ての動作を停止させる。そし
てこの場合の警報器（１８）に対する駆動信号と２組合
せ演算部（２）に対する停止信号とは、グループ分は制
御部（１６）から出力される。以上２組合せ計量を行う場合の一実施例を説明したが、
この発明は、計量値を物品の単体重量で除算して２組合
せ計数を行なう場合につＧ）でも同様に実施し得るもの
である。この発明は９以上説明したように２組合せに参加させた
計量機のなかに、設定許容範囲内に含まれる組合せの組
を見い出すことができなＧ）時は、前回物品が排出され
た計量機が再度の物（２２）品供給を受けて計量データを出力するのを待って、新た
めて全計量機の中から１組合せに参加させる新たな計量
機を選択するので、物品の計量サイクルを乱さずに、速
やかに次の組合せ演算サイクルにおいて、設定許容範囲
内に含まれる組合せを見い出すことが可能になる。又、
この発明では１組合せ合計値が設定許容範囲以下となっ
た時は２組合せに参加させた計量機の中で計量データの
小さい計量機を検出して、当該計量機に物品を追加供給
するので、かかる組合せを見い出し得ない要因となった
物品の供給量不足等も併せて補整して行くことができる
。[Each weighing machine (Wl) ~
(number assigned to specify Wl5)] is output to the next stage selection section (7). Based on this input signal, the selection unit (7) selects weighing machines that have the lowest number of articles to be discharged, sequentially from a certain number of weighing machines or less.2 For example, if there are 11 or more weighing machines, a maximum of 10 are selected, and the selected weighing machine is selected. The combination calculation unit (2) is used as a weighing machine to participate in the next combination via the third multiplexer (8).
Specify. In this case, if there are multiple weighing machines with the same number of discharges, the weighing machine with the smallest number (II) is selected in order. The combination calculation unit (2) temporarily writes the measurement data (Dl) to (Dl5) sequentially sent from the A/D converter (4) into a built-in register, and sequentially combines them in a predetermined combination procedure. One set of combinations having values closest to the set values output from the setting device (9) is determined, and the determined set of combined measured values is sent to the comparison section (10). At this time, if the set value is set equal to the lower limit of the setting tolerance range, it will be equal to the set value or
One set of combinations that has a value equal to or greater than the set value and closest to the set value is determined. The comparator (10) determines whether the sent combination total value is within the set permissible range using the upper and lower limit setter (11) (
Compare with the upper limit value and lower limit value output from 12). The start of the 9-combination calculation is based on an article discharge request signal from a packaging machine (not shown) linked to this combination weighing device. This is done by inputting it as a calculation start signal (SO). (I2) If the total value of the two combinations is within the set tolerance range as a result of comparison,
Output the pass signal (S4) to Antogame) (13),
AND gate of the weighing machine that constitutes the combination (13)
is closed, thereby outputting an article discharge command signal (Sl) to the weighing machine from the combination calculation unit (2). On the other hand, when the total value of the two combinations falls outside the set allowable range, the article is not ejected and the process moves to the next operation. In other words, in cases where the setting is outside the permissible range. There are cases where the value is less than the allowable setting range and cases where it is more than 2. And the following are the causes. It is possible that there is an insufficient supply of articles to each of the weighing machines (Wl) to (Wl5). Therefore, when the following occurs, the comparison section (10) outputs the following signal (Sd) and inputs it to the light weight detection section (15) via the OR gate (14), and Let them search. The lightweight detection section (15) always receives and stores the weighing machine numbers that participated in one combination and the corresponding weighing data from the one combination calculation section (2). (13) When the following signal (Sd) is input, this is used as an operation start signal to detect at least one weighing machine that is the lightest among the loaded weighing data. In this case, a certain standard value may be set and all weighing machines that do not meet this standard value may be detected. When a weighing machine with insufficient supply is detected, the lightweight detection unit (15
) outputs an article additional supply signal (S5) to the supply unit corresponding to the detection weighing machine. At the same time, this additional supply signal (S5) is input to the selection control section (4) via the second multiplexer (6) in order to prohibit the detection and weighing machine from participating in the combination in the next combination operation. and. In this case, the additional supply is performed at the same timing as the supply of articles to the weighing hopper. Therefore, the weighing machine for said additional supply. It becomes possible to participate in combinations in the following combinations. On the other hand, when the total value of one combination exceeds the set allowable range, an excessive amount of articles supplied to each of the weighing machines (Wl) to (Wl5) can be considered (14). If the number is 1 or more, the weighing machine from which the goods were previously discharged receives the goods again and outputs the weighing data, and then a new weighing machine is selected from among all the weighing machines to participate in the next combination. A set of combinations is selected and one combination operation is performed on this set. In this case, two types of selection methods are considered, but here, 15 weighing machines (Wl) to (Wl5) are selected by five weighing machines each.
, B, and C. Two sets are selected from these three sets and a combination calculation is performed. As a result of the comparison, if the set tolerance is exceeded, the comparison section (10) outputs the above signal (Su), which is input to the control section (16) for each group. The control unit (16) controls A and B based on this input signal. Two of the three groups are selected, and the two selected weighing machines are designated as the weighing machines to participate in the next combination. The designation signal (S6) is then input to the combination calculation section (2) via the third multiplexer (8). Further, the designation signal (S6) in this case is output in synchronization with the calculation start signal (So) outputted at the ninth time. In Figure 1, (S7) is the control unit (S7) for each group.
16) is a signal switching control signal for inputting the specified signal (S6) outputted from the combination calculation section (2). Further, this control section (16) receives the acceptance signal (S4).
Alternatively, the following signal (Sd) is manually inputted as the operation cancellation signal, whereby the operation of the control section (16) is canceled when the total value of the two combinations falls within or below the set allowable range. Next, such an operating procedure will be explained based on FIGS. 3 and 4. First, in the initial state, the non-discharge counter (CI)
After the count value of ~ (C15) is zeroed, it is 1.
Weighing machine (Wl) that was not discharged by the selection control unit (4) ~
Select (Wl5.) and select the first measurement @ (Wl)
Counter ("'CI) corresponding to ~(Wl 5)
The count values of ~(C15) are arranged in the sequential circuit (5). Then, in the selection section (7), a maximum of 10 weighing machines are selected in descending order of the count value. In this case, in the initial state, all the count values are zero, so 10 weighing machines are selected in order from the one with the smallest number. In this state, wait for the calculation start signal (SO) from the packaging machine,
By inputting the signal (So), the non-discharge counter (
C1) to (C15) are counted up, and one combination calculation is executed using the ten selected weighing machines (Wl) to (WIO). In this case, each weighing machine (Wl) to (W
Since the weighing hopper 15) is empty, the comparison section (10) outputs the following signal (Sd). Therefore, the weighing machine with the smallest weighing data is detected by the light weight detection section (15), and an additional article supply signal (S5) is output to the supply section corresponding to the detected weighing machine. and while the first-order combinatorial operations are performed. Articles are supplied to the detection weighing machine. in this case. If the lightweight detection unit (15) also detects the empty state of the weighing hopper (17), it can be used in the second article supply cycle. Articles can be supplied to the selected 10 weighing machines (Wl) to (WIO). Moreover, such an additional supply operation is not limited to the initial state. The same process is performed when the total combination value of the set closest to the set value determined by the single combination calculation unit (2) during operation becomes less than the set permissible range. Next, regarding the selection of the primary combination weighing machine. From the weighing machines other than the weighing machines designated for the additional supply, a maximum of 10 weighing machines are selected according to the above procedure, and the following combination calculation is executed on the 9 selected weighing machines. for example,
As a result of the previous combination calculation, 10 weighing machines (Wl) ~ (
When WIO) is specified for additional supply, in this combination calculation, the remaining five weighing machines (Wll) to (Wl5
) is designated as a weighing machine for combined participation. Combination calculations are performed on the five designated weighing machines.
However, since the weighing machine hoppers of these five weighing machines (W11 to W15) are still empty, the process proceeds to the primary combination operation (I8) through the same procedure as described above. In the following combinations, which weighing machines (WIL) to (Wl5
) has not yet discharged the goods, so 10 weighing machines (Wl) to (WIO
) is selected as the weighing machine to participate in the next combination. While waiting for the calculation start signal (SO), these ten weighing machines (Wl) to (10) have completed weighing the articles due to the additional supply of articles two times before. If the result of one combination calculation is that one total value is within the set allowable range, an article discharge command signal (Sl) is output to the weighing machines constituting the combination to discharge the article, and at the same time, this discharge command signal ( SL), the non-discharge counters (C1) to (C15) corresponding to the weighing machine designated for discharge are cleared to zero. After a certain period of time has elapsed, an article supply command signal (S2) is output from the timer circuits (T1) to (T15) to the supply section corresponding to the discharge weighing machine, and a predetermined amount of articles is delivered to the weighing hopper of the weighing machine. is supplied. In addition, in synchronization with the output of this discharge command signal (Sl), a weighing machine other than the detection weighing machine concerned to participate in the secondary combination is selected according to the procedure described above, and a first calculation start signal (SO) is sent. The combination calculation of the weighing machines selected in is executed. Also, if the total value of the combination closest to the set value determined by the first combination calculation unit (2) exceeds the set permissible range, the product is not discharged and the operation is carried out as shown in Figure 4, IU-. Transition. That is, the control unit (16) for each group. First, 15 weighing machines (Wl) to (Wl5) are A, B, and C.
Divide into 3 groups, and first, divide them into 3 groups (A, B
) are designated as the next combination weighing machine. Then, using the calculation start signal (SO), a combination calculation is executed for these two sets of weighing machines (A, B), and if the combined total value of the set closest to the set value is within the set tolerance range, the third If the normal operation shown in the figure is reached and the setting tolerance is exceeded, the third
The process moves to the additional supply operation shown in the figure. And if it is above the setting allowable range. Waiting for the next calculation start signal (So), a combination calculation is executed for a new weighing machine made up of two sets (B, C,).
Then, if it exceeds the allowable setting range, then (A
, C) Perform a combination calculation on two sets of weighing machines.
If the combined total value still exceeds the set allowable range, in order to change the weighing data of these weighing machines, change the weighing machines belonging to the two groups (A.C) with the smaller weighing data to the above-mentioned lightweight The detection unit (15) detects the article and additionally supplies the article to the detection weighing machine. In this case, the operation command for the lightweight detection unit (15) is to send the above-mentioned signal (Su) and the combination calculation end signal (S8) for the two sets of (A, C) through the AND gate (17). This is done by inputting it to the light weight detection section (15). As described above, if the total value of the two combinations does not exceed the set allowable range even after completing one combination calculation for each set of (A, B) (B, C) (C, A) (21), use the above procedure. The combination calculation is performed again for the set (A, B) with different measurement data. In this way (A,
B) (B, C) (C, A>) If the combination is changed and the combination is repeated three times, but the total value of one combination is only above the set tolerance range, a suitable combination is found. Since it is considered impossible, the alarm (18) is driven and all operations are stopped.In this case, the drive signal for the alarm (18) and the stop signal for the 2-combination calculation unit (2) are is outputted from the control unit (16) for each group. An example in which two combinations of weighing are performed has been described above.
The present invention can be implemented in the same manner in case G) where two combinations of counts are performed by dividing the measured value by the single weight of the article. As explained above, when a set of combinations included in the setting tolerance cannot be found among the weighing machines that participated in two combinations, the present invention uses the weighing machine from which the article was previously discharged (22) After receiving the goods and outputting the weighing data, a new weighing machine is selected from among all the weighing machines to participate in one combination, so the weighing cycle of the goods can be changed. It becomes possible to quickly find a combination within the set permissible range in the next combination calculation cycle without causing any disturbance. or,
In this invention, when the total value of one combination falls below the set allowable range, the weighing machine with the smaller weighing data is detected among the weighing machines participating in the two combinations, and the article is additionally supplied to that weighing machine. It is also possible to compensate for the insufficient supply of articles, etc., which caused such combinations to not be found.

[Brief explanation of drawings]

第１図は、この発明方法を模式的に示す計量サイクルの
一例を示す。第２図は、この発明方法の実施に使用する
装置のブロック線図の一例を示し第３図、第４図は、そ
の動作を示すフローチャートである。（Ｗｌ）〜（Ｗｌ５）　　・・・計量機（Ｄｌ）〜（Ｄ
ｌ５）　　・・・計量データ（１）・・・・・・・・・
・計量部（２）・・・・・・・・・・組合せ演算部（４）・・・
・・・・・・・選択制御部（５）・・・・・・・・・・
順序回路（７）・・・・・・・・・・選択部（９）・・・・・・・・・・重量選択部（１０）・・・
・・・・・・・比較部（１１）・・・・・・・・・・上限設定部（１２）・・
・・・・・・・・下限設定部（１５）・・・・・・・・
・・軽量検出部（１６）・・・・・・・・・・グループ
分は制御部出願人　　株式会社石田衡器製作所FIG. 1 shows an example of a weighing cycle schematically illustrating the method of this invention. FIG. 2 shows an example of a block diagram of a device used to carry out the method of the present invention, and FIGS. 3 and 4 are flow charts showing its operation. (Wl) ~ (Wl5) ... Weighing machine (Dl) ~ (D
l5) ...Metric data (1)...
・Measuring section (2)... Combination calculation section (4)...
...... Selection control section (5) ......
Sequential circuit (7)... Selection section (9)... Weight selection section (10)...
..... Comparison section (11) ..... Upper limit setting section (12) ...
・・・・・・Lower limit setting section (15)・・・・・・・・・
・・Lightweight detection part (16) ・・・・・・・・・・ Control part for the group Applicant: Ishida Kouki Seisakusho Co., Ltd.

Claims

[Claims] fil Combining the measurement data of a certain number of weighing machines or less selected from a plurality of weighing machines, selecting a combination that is equal to or closest to a set value, and 9 total combinations of the selected sets. If the value is within the set allowable range, the item is discharged from the weighing machine of that combination, and in the 9th combination,
In a combination weighing or counting method in which a certain number or less of weighing machines are selected from the weighing machines other than the weighing machine selected as the discharge line of the previous article and the combination is calculated. Combination weighing characterized in that when a set of combinations included within a set tolerance cannot be found, a new weighing machine string is selected from all needle measuring machines to participate in the next combination. Counting method. (2) When the total value of the combination closest to the set value falls below the set allowable range, at least one weighing machine with smaller weighing data is detected among the weighing machines participating in the two combinations, and the goods are transferred to that weighing machine. 2. The combination weighing or counting method according to claim 1, wherein a weighing machine to be additionally supplied and to participate in the first combination is selected from weighing machines other than the weighing machine. (3) When the total value of the combination closest to the set value exceeds the set allowable range, a certain number of weighing machines from among all the weighing machines are selected as the weighing machines to participate in the next combination. The combination measurement or counting method described in Scope 1. (4) In the combination needle amount or counting method as set forth in claim 3, a measuring machine for the number of feet. A combination weighing or counting method in which all weighing machines are divided into multiple sets and selected by combining these two sets.