JP4260421B2 - Belt conveyor for weight measuring device - Google Patents

Belt conveyor for weight measuring device Download PDF

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Publication number
JP4260421B2
JP4260421B2 JP2002154178A JP2002154178A JP4260421B2 JP 4260421 B2 JP4260421 B2 JP 4260421B2 JP 2002154178 A JP2002154178 A JP 2002154178A JP 2002154178 A JP2002154178 A JP 2002154178A JP 4260421 B2 JP4260421 B2 JP 4260421B2
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Japan
Prior art keywords
roller
belt conveyor
endless belt
belt
weight measuring
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JP2002154178A
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JP2003341821A (en
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裕之 関口
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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、物品の搬送に広く用いられているベルトコンベアに関するものである。
【0002】
【従来の技術】
一般的なベルトコンベアは、少なくとも一対のローラと、これらローラに掛け回された無端ベルトを備えている。一対のローラの一方には駆動手段が連結されており、該駆動手段で該ローラを回転させることにより、無端ベルトを循環して移動させることができる。
【0003】
図5は、従来のベルトコンベアの一例を示している。紙面垂直方向に並んだ一対のローラ100 (図には一のローラ100のみを示す)には、無端ベルト101が掛け回されており、このローラ100の軸方向の一端部には、駆動用ベルト102を介して駆動用モータ103の出力軸が連結されている。
【0004】
図6は、従来のベルトコンベアの他の一例を示している。紙面垂直方向に並んだ一対のローラ200 (図には一のローラ200のみを示す)には、無端ベルト201が掛け回されており、このローラ200の軸の一端部には、カップリング202を介して駆動用モータ203の出力軸が連結されている。このベルトコンベアでは、無端ベルト201の裏側の中央に、移動方向に沿って凸条205が形成されており、これがローラ200の周面の中央に周状に形成された凹溝206に係合しており、ベルトコンベアの作動時に無端ベルト201がローラ200から外れないように構成されている。
【0005】
【発明が解決しようとする課題】
図5に例示したベルトコンベアでは、駆動力をコンベア側に伝達するために、駆動用モータ103と連結するための駆動用ベルト102を設けなければならず、またローラ100の端部には駆動用ベルト102を掛け回すための溝を形成しなければならない。さらに、このベルトコンベアでは駆動中に無端ベルト101がローラ100から外れてしまうおそれがある。
【0006】
図6に例示したベルトコンベアでは、駆動中に無端ベルト201がローラ200から外れてしまうおそれはないが、駆動モータ203をローラ200に連結するためのカップリング202を設けなければならなかった。
【0007】
このように、従来のベルトコンベアによれば、前述した駆動用ベルト102やカップリング202のような駆動力の伝達機構をローラ100,200や無端ベルト101,201とは別の独立部品として用いていたため、部品点数がその分だけ多くなり、組み立てにも手数を要していた。また、無端ベルトが駆動中にローラから外れるのを防止する手段が必要とされる場合には、例えば図6に示したような構造(凸条205及び凹溝206)を用いていたが、かかる構造はベルトコンベアにおける前述した駆動力の伝達機構とは関係がなく、これとは別に構成されていた。
【0008】
また、従来のベルトコンベアは、上述したように駆動モータ103,203とローラ100,200を専用の動力伝達部品で直接に連結していたので、駆動モータ103,203の配置が限定されるという問題もあった。即ち、図5の例では、駆動用ベルト102を長くすることは好ましくなく、駆動モータ103は駆動されるローラ100の近傍に配置せざるを得ない。同様に、図6の例では、駆動モータ203は駆動される側のローラ200にカップリング202で直結するため、該ローラ200の隣部に配置せざるを得ない。このように駆動モータの配置が制限されると、ベルトコンベアの用途や設置現場の状況等に十分に対応できない場合が生じるので好ましくない。
【0009】
本発明は、ベルトコンベアにおいて、駆動機構ないし駆動力伝達機構と、無端ベルトがローラから外れないようにするための手段を兼用化・共通化して部品点数を減らし、全体の構成を簡素化するとともに、駆動機構の配置の自由度を向上させることを目的としている。
【0010】
【課題を解決するための手段】
請求項1に記載されたベルトコンベアは、少なくとも一対のローラ1,31と、前記一対のローラに掛け回されて駆動される無端ベルト3,30と、前記無端ベルトの内面側に全周にわたって形成される駆動力伝達突起部4と、前記駆動力伝達突起部4に係合して回転することにより前記無端ベルト3,30に駆動力を与える駆動手段5,6とを有し、重量測定装置に取り付けられて、物品を搬送しながら重量測定装置により重量を測定して後工程に搬送する重量測定装置用のベルトコンベアにおいて、前記駆動力伝達突起部がラック4であり、前記駆動手段が前記ラックに係合するピニオン6と該ピニオン6を回転させるモータ5であり、前記モータ5は、前記ベルトコンベアを重量測定装置に取り付ける際にバランス調整が行なわれるように前記両ローラの間で位置が調整可能であり、その駆動軸が前記ローラ1,31の軸と平行となるように前記両ローラ1,1又は31,31の間に配置され、前記モータ5の駆動軸に設けられた前記ピニオン6が上下に並んだ前記無端ベルト3,3又は30,30の間に挿入されて上下に並んだ前記無端ベルト3,3又は30,30の少なくとも一方の側の前記ラック4に係合していることを特徴としている。
【0012】
請求項2に記載された重量測定装置用のベルトコンベアは、請求項1記載の重量測定装置用のベルトコンベアにおいて、前記無端ベルト3の幅は、前記ローラ1の軸方向の長さよりも長く、かつ前記無端ベルト3の少なくとも一方の縁部の内面側に、前記ローラ1の端面に接するように、内方に向けて突出した前記駆動力伝達突起部4が形成されたことを特徴としている。
【0013】
請求項3に記載された重量測定装置用のベルトコンベアは、請求項1記載の重量測定装置用のベルトコンベアにおいて、前記ローラ31の周面には溝32が形成され、前記無端ベルト30の内面の両縁部以外の部分には回転方向について周状であり前記溝32に係合する前記駆動力伝達突起部4が連続して形成されていることを特徴としている。
【0014】
【発明の実施の形態】
本発明の実施の形態の一例を図1〜図3を参照して説明する。
このベルトコンベアは一対のローラ1,1を有している。一対のローラ1,1は同形であり、回転軸が互いに平行となるように所定間隔をおいて配置されている。各ローラ1の軸は支持部材としての支持板2に取り付けられている。
【0015】
前記一対のローラ1,1には無端ベルト3が掛け回されている。この無端ベルト3は、前記ローラ1の軸方向についての長さが、前記一対のローラ1,1よりも長い。従って、この無端ベルト3を、軸方向の中心を一致させて前記一対のローラ1,1に掛け回すと、無端ベルト3はローラ1を完全に覆い隠す状態となる。即ち、無端ベルト3の両縁部は、ローラ1の軸方向の両端面よりも軸方向の外側に突出している。
【0016】
前記無端ベルト3には、駆動力を無端ベルト3に伝達するための手段であるとともに、この無端ベルト3が駆動時にローラ1から外れないようにするためのガイド手段をも兼ねる駆動力伝達突起部が形成されている。本例では、駆動力伝達突起部としてのラック4が、ローラの軸方向に関する無端ベルト3の両縁部の各内面側に全周わたって形成されている。また、無端ベルト3にはラック4を一方の縁部のみに形成し、他方の縁部には連続した突起を形成してもよい。
【0017】
無端ベルト3の両縁部は、ローラ1の軸方向の両端面よりも外側に突出しており、この突出した両縁部の内面側にはラック4が内方に向けて突出して形成されているので、該ラック4はローラ1の両端面1a,1aに接することとなり、ローラ1を外側から挟むこととなる。従って、無端ベルト3は、両縁部のラック4がローラ1の両端面1aに係止するため、ローラ1に対してローラ1の軸方向に移動することが制限される。このため、無端ベルト3は駆動中にローラ1から外れるおそれがない。
【0018】
ローラ1及び無端ベルト3の近傍には、駆動手段としてのモータ5が基台を介して設置されている。モータ5は、その駆動軸がローラ1の軸と平行となるように、両ローラ1,1の略中間に配置されている。モータ5の駆動軸には駆動手段としてのピニオン6が取り付けられており、上下に並んだ無端ベルト3の間に挿入され、上下に並んだ無端ベルト3の少なくとも一方の側のラック4に係合している。従って、モータ5が駆動されれば、ピニオン6がラック4を駆動し、無端ベルト3はローラ1の回転と共に循環して移動することができる。
【0019】
以上説明したように、本例によれば、モータ5のピニオン6に係合し、また蛇行防止のためにローラ1の端面1aに係合するラック4を、無端ベルト3に形成した。即ち、ベルトコンベアの駆動機構ないし駆動力伝達機構の一部と、無端ベルト3がローラ1から外れないようにするための蛇行防止手段を兼用化・共通化したので、部品点数が減少し、全体の構成を簡素化することができた。即ち、従来の例と比較すれば、図5の従来例の駆動ベルト102は不要になり、図6の従来例のカップリング202が不要になる。
【0020】
また、本例によれば、モータ5は、無端ベルト3の移動方向について、両ローラ1,1の中間に配置したが、モータ5の位置は無端ベルト3の移動方向について任意に設定できる。例えば、一方のローラ1に近接して配置することもできるし、他方のローラ1に近接して配置することもできる。
【0021】
例えば、物品を搬送しながら重量を測定して後工程で測定重量に応じて物品の選別を行なう重量選別機においては、モータを含めたベルトコンベアの全体を重量測定装置にバランスよく取り付けなければならないが、本例のベルトコンベアによれば重量物であるモータ5の設置位置を任意に調整できるので、ベルトコンベアを重量測定装置に取り付ける際のバランス調整が容易となる。その他にも、ベルトコンベアを設置しようとする現場の状況に合わせてモータ5の設置位置を選べるので便利である。
【0022】
本発明の実施の形態の他の一例を図4を参照して説明する。
本例のベルトコンベアにおいては、ローラ31の軸方向についてのベルト30の長さ (幅)は、ローラ31の軸方向の長さよりも短い。そして、ローラ31の周面には溝32が形成され、ベルト30の内面の両縁部以外の部分には回転方向について周状に一条のラック4が連続して形成され、このラック4が溝32に係合している。その他の構成は第1の例と同一であるので、対応する部分には第1の例と同一の符号を付して説明を省略する。本例の構造によっても、第1の例と略同一の作用・効果を得ることができる。
【0023】
以上説明した本発明のベルトコンベアは、一対のローラに無端ベルト3,30を掛け回した構造を基本としたが、駆動機構と蛇行防止を兼ねた駆動力伝達突起部(ラック4)を無端ベルト3,30に設ける本発明の構造は上記基本構造のベルトコンベアに限らず適用可能であり、無端ベルトを掛け回すローラの数は3以上でもよい。
【0024】
【発明の効果】
本発明によれば、モータの駆動力を受けるとともに、ローラに対する抜け止めともなる駆動力伝達突起部を無端ベルトの両縁部の内面側に形成したので、部品が共通化して部品点数が減り、全体の構成が簡素になるとともに、モータの配置の自由度が向上するという効果も得られる。
【図面の簡単な説明】
【図1】本発明の実施の形態の一例を示すベルトコンベアの平面図である。
【図2】本発明の実施の形態の一例を示すベルトコンベアの正面図である。
【図3】本発明の実施の形態の一例を示すベルトコンベアの図1のA−A切断線における断面図である。
【図4】(a)は本発明の実施の形態の他の一例においてベルトの上半部を除いた状態を示すベルトコンベアの平面図、(b)は同正面図である。
【図5】従来のベルトコンベアの一例を示す図である。
【図6】従来のベルトコンベアの他の一例を示す図である。
【符号の説明】
1,31…ローラ、3,30…無端ベルト、4…駆動力伝達手段としてのラック、5…駆動手段としてのモータ、6…駆動手段としてのピニオン、32…溝。
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a belt conveyor widely used for conveying articles.
[0002]
[Prior art]
A general belt conveyor includes at least a pair of rollers and an endless belt wound around these rollers. Driving means is connected to one of the pair of rollers, and the endless belt can be circulated and moved by rotating the roller with the driving means.
[0003]
FIG. 5 shows an example of a conventional belt conveyor. An endless belt 101 is wound around a pair of rollers 100 (only one roller 100 is shown in the figure) arranged in the direction perpendicular to the paper surface. A driving belt is attached to one end of the roller 100 in the axial direction. The output shaft of the drive motor 103 is connected via 102.
[0004]
FIG. 6 shows another example of a conventional belt conveyor. An endless belt 201 is wound around a pair of rollers 200 (only one roller 200 is shown in the figure) arranged in the direction perpendicular to the paper surface. A coupling 202 is attached to one end of the shaft of the roller 200. The output shaft of the drive motor 203 is connected through the via. In this belt conveyor, a ridge 205 is formed in the center of the back side of the endless belt 201 along the moving direction, and this engages with a concave groove 206 formed in a circumferential shape in the center of the peripheral surface of the roller 200. The endless belt 201 is configured not to be detached from the roller 200 when the belt conveyor is operated.
[0005]
[Problems to be solved by the invention]
In the belt conveyor illustrated in FIG. 5, in order to transmit the driving force to the conveyor side, a driving belt 102 for coupling with the driving motor 103 must be provided, and the end of the roller 100 is for driving. A groove for winding the belt 102 must be formed. Further, in this belt conveyor, the endless belt 101 may be detached from the roller 100 during driving.
[0006]
In the belt conveyor illustrated in FIG. 6, the endless belt 201 is not likely to be detached from the roller 200 during driving, but a coupling 202 for connecting the driving motor 203 to the roller 200 has to be provided.
[0007]
As described above, according to the conventional belt conveyor, the driving force transmission mechanism such as the driving belt 102 and the coupling 202 described above is used as an independent component separate from the rollers 100 and 200 and the endless belts 101 and 201. As a result, the number of parts has increased accordingly, and assembly has been troublesome. Further, when a means for preventing the endless belt from coming off the roller during driving is required, for example, the structure as shown in FIG. 6 (the ridge 205 and the groove 206) is used. The structure has nothing to do with the drive force transmission mechanism described above in the belt conveyor, and is configured separately.
[0008]
In addition, since the conventional belt conveyor directly connects the drive motors 103 and 203 and the rollers 100 and 200 with dedicated power transmission parts as described above, the arrangement of the drive motors 103 and 203 is limited. There was also. That is, in the example of FIG. 5, it is not preferable to lengthen the driving belt 102, and the driving motor 103 must be disposed in the vicinity of the roller 100 to be driven. Similarly, in the example of FIG. 6, the drive motor 203 is directly coupled to the driven roller 200 by the coupling 202, and therefore must be disposed adjacent to the roller 200. If the arrangement of the drive motors is limited in this way, it may not be possible to sufficiently cope with the use of the belt conveyor or the situation at the installation site, which is not preferable.
[0009]
In the belt conveyor, the driving mechanism or the driving force transmission mechanism and the means for preventing the endless belt from being removed from the roller are combined and shared to reduce the number of parts and simplify the overall configuration. The object is to improve the degree of freedom of arrangement of the drive mechanism.
[0010]
[Means for Solving the Problems]
The belt conveyor according to claim 1 is formed over at least a pair of rollers 1, 31, an endless belt 3, 30 driven around the pair of rollers, and an inner surface of the endless belt over the entire circumference. And a driving force transmission projection 4 and driving means 5 and 6 for applying driving force to the endless belts 3 and 30 by engaging and rotating with the driving force transmission projection 4. In the belt conveyor for a weight measuring device that is attached to the weight measuring device and measures the weight by a weight measuring device while conveying the article and conveys the article to the subsequent process, the driving force transmitting protrusion is the rack 4, and the driving means is the a motor 5 for rotating the pinion 6 and the pinion 6 engages the rack, the motor 5, the balance adjustment is performed when attaching the belt conveyor weighing device Wherein the position between the rollers are possible adjustment, the drive shaft is disposed between the two rollers 1,1 or 31 in parallel with the axis of the roller 1, 31 to the motor 5 At least one side of the endless belt 3, 3 or 30, 30 which is inserted between the endless belts 3, 3 or 30, 30 arranged in the vertical direction and the pinions 6 provided on the drive shaft are arranged vertically It is characterized by engaging with the rack 4.
[0012]
The belt conveyor for the weight measuring device according to claim 2 is the belt conveyor for the weight measuring device according to claim 1, wherein the width of the endless belt 3 is longer than the axial length of the roller 1; In addition, the driving force transmission protrusion 4 that protrudes inward is formed on the inner surface of at least one edge of the endless belt 3 so as to contact the end surface of the roller 1 .
[0013]
The belt conveyor for the weight measuring device according to claim 3 is the belt conveyor for the weight measuring device according to claim 1, wherein a groove 32 is formed on a peripheral surface of the roller 31 , and an inner surface of the endless belt 30 is formed. The driving force transmission protrusions 4 that are circumferential in the rotational direction and engage with the grooves 32 are formed continuously in the portions other than the two edge portions .
[0014]
DETAILED DESCRIPTION OF THE INVENTION
An example of an embodiment of the present invention will be described with reference to FIGS.
This belt conveyor has a pair of rollers 1 and 1. The pair of rollers 1 and 1 have the same shape and are arranged at a predetermined interval so that the rotation axes are parallel to each other. The shaft of each roller 1 is attached to a support plate 2 as a support member.
[0015]
An endless belt 3 is wound around the pair of rollers 1 and 1. The endless belt 3 is longer in the axial direction of the roller 1 than the pair of rollers 1 and 1. Therefore, when the endless belt 3 is wound around the pair of rollers 1 and 1 with the axial center coincided, the endless belt 3 completely covers the roller 1. That is, both edge portions of the endless belt 3 protrude outward in the axial direction from both end surfaces of the roller 1 in the axial direction.
[0016]
The endless belt 3 is a means for transmitting a driving force to the endless belt 3 and a driving force transmission protrusion that also serves as a guide means for preventing the endless belt 3 from being detached from the roller 1 during driving. Is formed. In this example, the rack 4 as the driving force transmission protrusion is formed over the entire inner surface of each edge of the endless belt 3 in the axial direction of the roller. Further, the endless belt 3 may be formed with the rack 4 only on one edge, and a continuous protrusion may be formed on the other edge.
[0017]
Both edge portions of the endless belt 3 protrude outward from both end surfaces of the roller 1 in the axial direction, and a rack 4 is formed to protrude inward on the inner surface side of the both protruding edge portions. Therefore, the rack 4 comes into contact with both end faces 1a and 1a of the roller 1, and the roller 1 is sandwiched from the outside. Therefore, the endless belt 3 is restricted from moving in the axial direction of the roller 1 with respect to the roller 1 because the racks 4 at both edges are locked to the both end faces 1 a of the roller 1. For this reason, the endless belt 3 is not likely to come off the roller 1 during driving.
[0018]
In the vicinity of the roller 1 and the endless belt 3, a motor 5 as a driving means is installed via a base. The motor 5 is disposed approximately between the rollers 1 and 1 so that the drive shaft thereof is parallel to the axis of the roller 1. A pinion 6 as a driving means is attached to the drive shaft of the motor 5 and is inserted between the endless belts 3 aligned vertically and engaged with the rack 4 on at least one side of the endless belt 3 aligned vertically. is doing. Therefore, when the motor 5 is driven, the pinion 6 drives the rack 4 and the endless belt 3 can circulate and move with the rotation of the roller 1.
[0019]
As described above, according to this example, the endless belt 3 is formed with the rack 4 that engages with the pinion 6 of the motor 5 and engages with the end surface 1a of the roller 1 to prevent meandering. That is, a part of the driving mechanism or driving force transmission mechanism of the belt conveyor and the meandering preventing means for preventing the endless belt 3 from coming off the roller 1 are shared and shared, so that the number of parts is reduced and the whole The configuration of can be simplified. That is, as compared with the conventional example, the driving belt 102 of the conventional example of FIG. 5 is not necessary, and the coupling 202 of the conventional example of FIG. 6 is not necessary.
[0020]
Further, according to the present example, the motor 5 is arranged between the rollers 1 and 1 in the moving direction of the endless belt 3, but the position of the motor 5 can be arbitrarily set in the moving direction of the endless belt 3. For example, it can be arranged close to one roller 1 or can be arranged close to the other roller 1.
[0021]
For example, in a weight sorter that measures weight while conveying an article and sorts the article according to the measured weight in a subsequent process, the entire belt conveyor including the motor must be attached to the weight measuring apparatus in a balanced manner. However, according to the belt conveyor of this example, the installation position of the heavy motor 5 can be arbitrarily adjusted, so that the balance adjustment when the belt conveyor is attached to the weight measuring device is facilitated. In addition, it is convenient because the installation position of the motor 5 can be selected according to the situation of the site where the belt conveyor is to be installed.
[0022]
Another example of the embodiment of the present invention will be described with reference to FIG.
In the belt conveyor of this example, the length (width) of the belt 30 in the axial direction of the roller 31 is shorter than the length of the roller 31 in the axial direction. A groove 32 is formed on the peripheral surface of the roller 31, and a single rack 4 is continuously formed in a circumferential shape in the rotational direction at portions other than both edge portions of the inner surface of the belt 30. 32 is engaged. Since other configurations are the same as those of the first example, the corresponding portions are denoted by the same reference numerals as those of the first example, and description thereof is omitted. Also according to the structure of this example, substantially the same operation and effect as the first example can be obtained.
[0023]
The belt conveyor according to the present invention described above is basically structured so that the endless belts 3 and 30 are wound around a pair of rollers. However, the driving force transmission protrusion (rack 4) serving both as a drive mechanism and to prevent meandering is provided as an endless belt. The structure of the present invention provided at 3 and 30 is not limited to the belt conveyor of the basic structure described above, and the number of rollers around which the endless belt is wound may be three or more.
[0024]
【The invention's effect】
According to the present invention, since the driving force transmission protrusions that receive the driving force of the motor and also prevent the rollers from coming off are formed on the inner surface side of both edge portions of the endless belt, the parts are shared and the number of parts is reduced. In addition to simplifying the overall configuration, the effect of improving the degree of freedom of motor arrangement can be obtained.
[Brief description of the drawings]
FIG. 1 is a plan view of a belt conveyor showing an example of an embodiment of the present invention.
FIG. 2 is a front view of a belt conveyor showing an example of an embodiment of the present invention.
FIG. 3 is a cross-sectional view taken along the line AA of FIG. 1 of a belt conveyor showing an example of an embodiment of the present invention.
4A is a plan view of a belt conveyor showing a state in which the upper half of the belt is removed in another example of the embodiment of the present invention, and FIG. 4B is a front view thereof.
FIG. 5 is a diagram showing an example of a conventional belt conveyor.
FIG. 6 is a view showing another example of a conventional belt conveyor.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1,31 ... Roller, 3,30 ... Endless belt, 4 ... Rack as drive force transmission means, 5 ... Motor as drive means, 6 ... Pinion as drive means, 32 ... Groove.

Claims (3)

少なくとも一対のローラ(1,31)と、
前記一対のローラに掛け回されて駆動される無端ベルト(3,30)と、
前記無端ベルトの内面側に全周にわたって形成される駆動力伝達突起部(4)と、
前記駆動力伝達突起部に係合して回転することにより前記無端ベルトに駆動力を与える駆動手段(5,6)とを有し、重量測定装置に取り付けられて、物品を搬送しながら重量測定装置により重量を測定して後工程に搬送する重量測定装置用のベルトコンベアにおいて、
前記駆動力伝達突起部がラック(4)であり、前記駆動手段が前記ラックに係合するピニオン(6)と該ピニオンを回転させるモータ(5)であり、
前記モータは、前記ベルトコンベアを重量測定装置に取り付ける際にバランス調整が行なわれるように前記両ローラの間で位置が調整可能であり、その駆動軸が前記ローラの軸と平行となるように前記両ローラの間に配置され、前記モータの駆動軸に設けられた前記ピニオンが上下に並んだ前記無端ベルトの間に挿入されて上下に並んだ前記無端ベルトの少なくとも一方の側の前記ラックに係合していることを特徴とする重量測定装置用のベルトコンベア。
At least a pair of rollers (1, 31);
An endless belt (3, 30) driven around the pair of rollers;
A driving force transmission protrusion (4) formed on the inner surface side of the endless belt over the entire circumference;
Drive means (5, 6) for applying a driving force to the endless belt by engaging and rotating with the driving force transmission protrusion, and attached to a weight measuring device to measure the weight while conveying an article In the belt conveyor for the weight measuring device that measures the weight by the device and conveys it to the subsequent process,
The driving force transmission protrusion is a rack (4), the driving means is a pinion (6) engaged with the rack, and a motor (5) for rotating the pinion;
The position of the motor can be adjusted between the rollers so that the balance is adjusted when the belt conveyor is attached to the weight measuring device , and the drive shaft is parallel to the axis of the roller. The pinion disposed between the rollers and provided on the drive shaft of the motor is inserted between the endless belts arranged vertically and is engaged with the rack on at least one side of the endless belts arranged vertically. A belt conveyor for a weight measuring device characterized by being combined.
前記無端ベルト(3)の幅は、前記ローラ(1)の軸方向の長さよりも長く、かつ前記無端ベルトの少なくとも一方の縁部の内面側に、前記ローラの端面に接するように、内方に向けて突出した前記駆動力伝達突起部(4)が形成される請求項1記載の重量測定装置用のベルトコンベア。The width of the endless belt (3) is longer than the length of the roller (1) in the axial direction, and is inwardly in contact with the end surface of the roller on the inner surface side of at least one edge of the endless belt. The belt conveyor for a weight measuring apparatus according to claim 1 , wherein the driving force transmission protrusion (4) protruding toward the surface is formed. 前記ローラ(31)の周面には溝(32)が形成され、前記無端ベルト(30)の内面の両縁部以外の部分には回転方向について周状であり前記溝に係合する前記駆動力伝達突起部(4)が連続して形成されている請求項1記載の重量測定装置用のベルトコンベア。 Grooves (32) are formed in the peripheral surface of the roller (31), and the portion of the inner surface of the endless belt (30) other than both edges is circumferential in the rotational direction and engages with the grooves. The belt conveyor for a weight measuring apparatus according to claim 1, wherein the force transmission protrusions (4) are formed continuously .
JP2002154178A 2002-05-28 2002-05-28 Belt conveyor for weight measuring device Expired - Lifetime JP4260421B2 (en)

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JP2007225689A (en) * 2006-02-21 2007-09-06 Fuji Xerox Co Ltd Endless belt and image forming apparatus using the same
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