JP3639564B2 - Double weighing device - Google Patents

Double weighing device Download PDF

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Publication number
JP3639564B2
JP3639564B2 JP2002178916A JP2002178916A JP3639564B2 JP 3639564 B2 JP3639564 B2 JP 3639564B2 JP 2002178916 A JP2002178916 A JP 2002178916A JP 2002178916 A JP2002178916 A JP 2002178916A JP 3639564 B2 JP3639564 B2 JP 3639564B2
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Prior art keywords
weighing
unit
weighing device
predetermined direction
transport
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Expired - Lifetime
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JP2002178916A
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JP2004020495A (en
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隆治 井上
良光 高田
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アンリツ産機システム株式会社
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Description

【0001】
【発明の属する技術分野】
本発明は、秤量部に搬送部を取り付けてなる秤量装置を複数台並べて構成した複連秤量装置に関するものである。
【0002】
【従来の技術】
図3は、従来の複連秤量装置100の一例を示す平面図である。この複連秤量装置100は、被測定物の重量を電磁力で釣り合わせ、その時の電流の大きさから重量を測定する電磁力平衡方式の秤量装置であり、ロードセル方式の秤量装置とは異なり、比較的小型・軽量の被測定物を高速かつ高精度で計量する場合に用いられる。
【0003】
この複連秤量装置100は、秤量部103に搬送部102を取り付けてなる秤量装置101を複数台並べて構成されている。各秤量装置101において、搬送部102が被測定物を所定方向に搬送する間、秤量部103がその重量を測定し、その結果に基づいて図示しない後段において被測定物の振り分け等の処理が行なわれる。
【0004】
図3に示すように、各秤量装置101は、搬送方向と直交する方向についての搬送部102の寸法が、同方向についての秤量部103の寸法よりも小さい。即ち、基台となる秤量部103の幅(秤幅)よりも、その上に取り付けられた搬送部102の幅(コンベア幅)の方が狭い。従って、複数の秤量装置101を、搬送方向について同一の位置で、搬送方向と直交する方向に複数並べた場合には、その搬送部102の最小ピッチは図示のように秤量部103の配設ピッチと同一になる。
【0005】
【発明が解決しようとする課題】
このように、図3に示した従来の複連秤量装置100では、搬送部102の最小ピッチは、搬送部102よりも幅の大きい秤量部103の配設ピッチと同一になるため、搬送部102の間隔はかなり大きくなり、搬送部102の配置が疎らで装置の設置面積に対するスペース効率がよくないという問題があった。
【0006】
そこで、本発明は、例えば電磁力平衡方式の秤量装置のように、比較的小型・軽量の被測定物を高速かつ高精度で計量する秤量装置であって、秤量部の幅が搬送部の幅よりも大きい秤量装置を複数並設して複連秤量装置を構成する場合において、同一の設置面積に対してより多数の秤量装置を設置できるようにしてスペース効率を向上させることを目的としている。
【0007】
【課題を解決するための手段】
請求項1に記載された複連秤量装置1は、秤量部2と、前記秤量部2に設けられて被測定物を所定方向に搬送する搬送部3とを有し、前記所定方向と交差する方向についての前記搬送部3の寸法が同方向についての前記秤量部2の寸法よりも小さい秤量装置4を、前記所定方向と交差する方向に複数並設してなる複連秤量装置1において、前記所定方向について前記搬送部3の過半が前記秤量部2から突出して配置されるとともに、前記搬送部3の重心が前記秤量部2の側に設定され、複数の前記秤量装置4の複数の前記搬送部3が前記所定方向について同一の位置で前記所定方向と交差する方向に並ぶように、複数の前記秤量装置4を千鳥状に配設したことを特徴とする。
【0008】
請求項2に記載された複連秤量装置は、請求項1記載の複連秤量装置1において、前記搬送部3が、少なくとも一対のローラ5と、これに掛け回されたベルト6と、前記ベルト6を循環して駆動するモータ7を有しており、前記モータ7が、前記一対のローラ5のうち、前記秤量部に近い側のローラ5aを駆動すべく当該ローラ5aに近接して配置されていることを特徴としている。
【0009】
【発明の実施の形態】
本発明の実施の形態を図1及び図2を参照して説明する。
この複連秤量装置1は、被測定物の重量を電磁力で釣り合わせ、その時の電流の大きさから重量を測定する電磁力平衡方式の秤量装置であり、比較的小型・軽量の被測定物を高速かつ高精度で計量する場合に用いられる。この複連秤量装置1は、秤量部2に搬送部3を取り付けてなる秤量装置4を搬送方向に直行する方向(並設方向と呼ぶ)に複数台並べて構成されている。
【0010】
秤量装置4は、秤量部2と、前記秤量部2に設けられて被測定物を搬送する搬送部3を有している。搬送部3は、一対のローラ5,5と、これに掛け回されたベルト6と、前記ベルト6を循環して移動させるために一方のローラ5を駆動するモータ7を有している。この秤量装置4では、ベルト6の幅(並設方向の寸法)が、秤量部2の幅(並設方向の寸法)よりも小さい。また、搬送方向について、搬送部3の半分以上の部分が秤量部2から突出して配置されている。そして、前記モータ7は秤量部2に近い側のローラ5aを駆動すべく当該ローラ5aに近接した位置に配置されており、搬送部3全体としての重心は秤量部2の側に位置している。
【0011】
そして、図1に示すように、複数の秤量装置4を、搬送部3の突出方向が一つおきに逆になるように、かつ千鳥状になるように配置し、複数の秤量装置4の各搬送部3が搬送方向について同一の位置において並設方向に密に並ぶように構成した。
【0012】
このように、本例によれば、搬送部3よりも幅の大きい秤量部2を有する秤量装置4を複数用いた複連秤量装置1において、搬送部3を秤量部2から突出させ、かつ複数の秤量装置4を設置面に千鳥状に密に配置することにより、複数の搬送部3を搬送方向について同一の位置で並設方向に従来よりも小さいピッチで配設することができた。従って、従来に比べ、同一の設置面積内に配置できる秤量装置4の数が増大し、コンベア幅よりも秤幅が大きいときでも省スペースが実現できる。
【0013】
また、本例では上記千鳥配置によって省スペースを実現するため、搬送部3を秤量部2から突出させた構造としたが、搬送部3の安定性は十分に確保されている。即ち、重量物であるモータ7を秤量部2側に配置して搬送部3としての重心が秤量部2に来るようにしたので、搬送部3は安定した状態となり、被測定物が搬送部3に載せられた時の衝撃等により搬送部3が測定に有害な振動を起こしてしまう等の不都合は生じない。
【0014】
【発明の効果】
本発明によれば、秤量部の幅が搬送部よりも大きい秤量装置を複数並べた複連秤量装置において、搬送部が秤量部から突出した構成とするととともに、この秤量装置を搬送部が対向するように千鳥に並べたので、複数の搬送部を所定方向について同一の位置で所定方向と交差する方向に密に並べることができた。これによって、秤幅がコンベア幅より大きいときでも秤の最小配置ピッチがコンベアの最小ピッチとなり、省スペースが実現できる。
【図面の簡単な説明】
【図1】本発明の実施の形態の一例である複連秤量装置の平面図である。
【図2】本発明の実施の形態の一例である複連秤量装置の正面図である。
【図3】従来の複連秤量装置の平面図である。
【符号の説明】
1…複連秤量装置、2…秤量部、3…搬送部、4…秤量装置、5…ローラ、6…ベルト、7…モータ。
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a multiple weighing device configured by arranging a plurality of weighing devices each having a conveying unit attached to a weighing unit.
[0002]
[Prior art]
FIG. 3 is a plan view showing an example of a conventional multiple weighing device 100. This multiple weighing device 100 is an electromagnetic force balance type weighing device that balances the weight of an object to be measured with an electromagnetic force and measures the weight from the magnitude of the current at that time. Unlike the load cell type weighing device, Used when measuring relatively small and light-weight objects with high speed and high accuracy.
[0003]
The multiple weighing device 100 is configured by arranging a plurality of weighing devices 101 each having a conveying unit 102 attached to a weighing unit 103. In each weighing device 101, while the transport unit 102 transports the object to be measured in a predetermined direction, the weighing unit 103 measures its weight, and based on the result, processing such as distribution of the object to be measured is performed at a later stage (not shown). It is.
[0004]
As shown in FIG. 3, in each weighing device 101, the dimension of the conveyance unit 102 in the direction orthogonal to the conveyance direction is smaller than the dimension of the weighing unit 103 in the same direction. That is, the width (conveyor width) of the transport unit 102 mounted thereon is narrower than the width (weighing width) of the weighing unit 103 serving as a base. Therefore, when a plurality of weighing devices 101 are arranged in the same position in the conveying direction and in a direction orthogonal to the conveying direction, the minimum pitch of the conveying unit 102 is the arrangement pitch of the weighing unit 103 as shown in the figure. Will be the same.
[0005]
[Problems to be solved by the invention]
As described above, in the conventional multiple weighing device 100 shown in FIG. 3, the minimum pitch of the conveyance unit 102 is the same as the arrangement pitch of the weighing unit 103 having a width wider than the conveyance unit 102. However, there is a problem that the space efficiency of the installation area of the apparatus is not good because the arrangement of the conveying unit 102 is sparse.
[0006]
Accordingly, the present invention is a weighing device that measures a relatively small and lightweight object to be measured at high speed and high accuracy, such as a weighing device of an electromagnetic force balance method, and the width of the weighing unit is the width of the conveying unit. An object of the present invention is to improve space efficiency by allowing a larger number of weighing devices to be installed in the same installation area when a plurality of weighing devices are arranged in parallel to form a multiple weighing device.
[0007]
[Means for Solving the Problems]
The multiple weighing device 1 according to claim 1 includes a weighing unit 2 and a conveyance unit 3 provided in the weighing unit 2 for conveying an object to be measured in a predetermined direction, and intersects the predetermined direction. In the multiple weighing device 1 in which a plurality of weighing devices 4 in which the dimension of the transport unit 3 in the direction is smaller than the dimension of the weighing unit 2 in the same direction are arranged in parallel in the direction intersecting the predetermined direction, A majority of the transport unit 3 is arranged so as to protrude from the weighing unit 2 in a predetermined direction, and the center of gravity of the transport unit 3 is set on the weighing unit 2 side, so that the plurality of transports of the plurality of weighing devices 4 The plurality of weighing devices 4 are arranged in a staggered manner so that the portions 3 are arranged in the direction intersecting the predetermined direction at the same position in the predetermined direction.
[0008]
A multiple weighing device according to a second aspect is the multiple weighing device according to the first aspect, wherein the conveying unit 3 includes at least a pair of rollers 5, a belt 6 wound around the roller 5, and the belt. A motor 7 that circulates and drives the motor 6, and the motor 7 is disposed close to the roller 5a so as to drive the roller 5a of the pair of rollers 5 closer to the weighing unit. It is characterized by having.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention will be described with reference to FIGS.
This multiple weighing device 1 is an electromagnetic force balance type weighing device that balances the weight of an object to be measured with electromagnetic force and measures the weight from the magnitude of the current at that time, and is a relatively small and lightweight object to be measured. This is used when weighing with high speed and high accuracy. The multiple weighing device 1 is configured by arranging a plurality of weighing devices 4 each having a conveying unit 3 attached to a weighing unit 2 in a direction (referred to as a juxtaposed direction) perpendicular to the conveying direction.
[0010]
The weighing device 4 includes a weighing unit 2 and a conveyance unit 3 that is provided in the weighing unit 2 and conveys an object to be measured. The transport unit 3 includes a pair of rollers 5 and 5, a belt 6 wound around the rollers 5, and a motor 7 that drives one of the rollers 5 to circulate and move the belt 6. In this weighing device 4, the width of the belt 6 (dimension in the juxtaposed direction) is smaller than the width of the weighing unit 2 (dimension in the juxtaposed direction). Further, with respect to the transport direction, more than half of the transport unit 3 is disposed so as to protrude from the weighing unit 2. The motor 7 is disposed at a position close to the roller 5a so as to drive the roller 5a on the side close to the weighing unit 2, and the center of gravity of the transport unit 3 as a whole is located on the weighing unit 2 side. .
[0011]
Then, as shown in FIG. 1, the plurality of weighing devices 4 are arranged so that every other protruding direction of the transport unit 3 is reversed and staggered, and each of the plurality of weighing devices 4 is arranged. The transport unit 3 is configured to be densely arranged in the juxtaposed direction at the same position in the transport direction.
[0012]
Thus, according to this example, in the multiple weighing device 1 using a plurality of weighing devices 4 each having the weighing unit 2 having a width wider than the conveyance unit 3, the conveyance unit 3 protrudes from the weighing unit 2, and a plurality By densely arranging the weighing devices 4 in a zigzag pattern on the installation surface, it was possible to arrange the plurality of conveying units 3 at the same position in the conveying direction in the parallel arrangement direction with a smaller pitch than in the prior art. Therefore, the number of weighing devices 4 that can be arranged in the same installation area is increased as compared with the conventional case, and space saving can be realized even when the weighing width is larger than the conveyor width.
[0013]
In this example, in order to realize space saving by the staggered arrangement, the transport unit 3 is protruded from the weighing unit 2, but the stability of the transport unit 3 is sufficiently ensured. That is, since the heavy motor 7 is arranged on the weighing unit 2 side so that the center of gravity as the conveyance unit 3 comes to the weighing unit 2, the conveyance unit 3 is in a stable state, and the object to be measured is conveyed to the conveyance unit 3. There is no inconvenience that the transport unit 3 causes a vibration harmful to the measurement due to an impact or the like when it is placed on the substrate.
[0014]
【The invention's effect】
According to the present invention, in a multiple weighing device in which a plurality of weighing devices whose width of the weighing unit is larger than that of the conveying unit are arranged, the conveying unit protrudes from the weighing unit and the weighing unit is opposed to the weighing unit. As described above, the plurality of transport units can be densely arranged in the direction intersecting the predetermined direction at the same position in the predetermined direction. Thereby, even when the scale width is larger than the conveyor width, the minimum arrangement pitch of the scale becomes the minimum pitch of the conveyor, and space saving can be realized.
[Brief description of the drawings]
FIG. 1 is a plan view of a multiple weighing device as an example of an embodiment of the present invention.
FIG. 2 is a front view of a multiple weighing device as an example of an embodiment of the present invention.
FIG. 3 is a plan view of a conventional multiple weighing device.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Duplex weighing apparatus, 2 ... Weighing part, 3 ... Conveyance part, 4 ... Weighing apparatus, 5 ... Roller, 6 ... Belt, 7 ... Motor.

Claims (2)

秤量部(2)と、前記秤量部に設けられて被測定物を所定方向に搬送する搬送部(3)とを有し、前記所定方向と交差する方向についての前記搬送部の寸法が同方向についての前記秤量部の寸法よりも小さい秤量装置(4)を、前記所定方向と交差する方向に複数並設してなる複連秤量装置(1)において、
前記所定方向について前記搬送部の過半が前記秤量部から突出して配置されるとともに、前記搬送部の重心が前記秤量部の側に設定され、
複数の前記秤量装置の複数の前記搬送部が前記所定方向について同一の位置で前記所定方向と交差する方向に並ぶように、複数の前記秤量装置を千鳥状に配設したことを特徴とする複連秤量装置。
It has a weighing unit (2) and a conveyance unit (3) provided in the weighing unit for conveying an object to be measured in a predetermined direction, and the dimensions of the conveyance unit in the direction intersecting the predetermined direction are the same In a multiple weighing device (1) formed by juxtaposing a plurality of weighing devices (4) smaller than the dimension of the weighing part in a direction intersecting the predetermined direction,
A majority of the transport unit is disposed so as to protrude from the weighing unit with respect to the predetermined direction, and the center of gravity of the transport unit is set on the weighing unit side,
A plurality of the weighing devices are arranged in a staggered manner so that the plurality of transport units of the plurality of weighing devices are arranged in the same position in the predetermined direction and intersecting the predetermined direction. Continuous weighing device.
前記搬送部(3)が、少なくとも一対のローラ(5)と、これに掛け回されたベルト(6)と、前記ベルトを循環して駆動するモータ(7)を有しており、
前記モータが、前記一対のローラのうち、前記秤量部に近い側のローラ(5a)を駆動すべく当該ローラに近接して配置されていることを特徴とする請求項1記載の複連秤量装置(1)。
The transport unit (3) includes at least a pair of rollers (5), a belt (6) wound around the roller, and a motor (7) that drives the belt by circulation.
2. The multiple weighing device according to claim 1, wherein the motor is disposed in the vicinity of the pair of rollers so as to drive a roller (5a) closer to the weighing unit. (1).
JP2002178916A 2002-06-19 2002-06-19 Double weighing device Expired - Lifetime JP3639564B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015152435A (en) * 2014-02-14 2015-08-24 アンリツ産機システム株式会社 Weight measuring device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009060234A1 (en) 2009-12-23 2011-06-30 Bizerba GmbH & Co KG, 72336 Multitrack scale
JP6486777B2 (en) * 2015-06-19 2019-03-20 アンリツインフィビス株式会社 Weight measuring device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015152435A (en) * 2014-02-14 2015-08-24 アンリツ産機システム株式会社 Weight measuring device

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