JP5687477B2 - Double frame type wheel conveyor - Google Patents
Double frame type wheel conveyor Download PDFInfo
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- JP5687477B2 JP5687477B2 JP2010269003A JP2010269003A JP5687477B2 JP 5687477 B2 JP5687477 B2 JP 5687477B2 JP 2010269003 A JP2010269003 A JP 2010269003A JP 2010269003 A JP2010269003 A JP 2010269003A JP 5687477 B2 JP5687477 B2 JP 5687477B2
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- frame
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- wheel conveyor
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- 238000004519 manufacturing process Methods 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims 3
- 239000000428 dust Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
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Description
この発明は、製造業、物流業などで多用されている、製品やその収納箱を自重搬送させるホイールコンベアの改良に関するものである TECHNICAL FIELD The present invention relates to an improvement of a wheel conveyor that is frequently used in the manufacturing industry, the logistics industry, etc., to carry a product or its storage box by its own weight.
従来の外枠式ホイールコンベアの構造は以下特許文献に示すようにフレームに軸受け穴が一体式になっている。また一部の製品においてはホィールの軸受けをフレームと分離し、フレームの溝に軸受けを刺し込む方式として、分解・組立を容易にする構造になっている。
The structure of a conventional outer frame type wheel conveyor has a bearing hole integrated with a frame as shown in the following patent document. In some products, the wheel bearing is separated from the frame, and the bearing is inserted into the groove of the frame to facilitate disassembly and assembly.
本発明が解決しようとする課題は、従来のホィールコンベアより安価に製造でき、更に分解・組立が容易で、故障あるいは磨耗した１個のホィールだけを使用状態のまま取外し・交換可能とする事。また廃棄する際に、より簡便に全部品を分解できる事である。 The problem to be solved by the present invention is that it can be manufactured at a lower cost than a conventional wheel conveyor, is easy to disassemble and assemble, and allows only one failed or worn wheel to be removed and replaced while in use. Moreover, when discarding, all parts can be disassembled more easily.
上記特許文献において提案されている構造のなかで、従来品の１形態である軸受け穴とフレームが一体成形されている製品（以下旧型と記す）においては、被搬送物の荷重を支えるためフレームが剛性の高い構造になっており、その組み立て時にはフレームのコの字型開口部を大きな力で開いて回転軸を組付ける事が必要で、製造機械が大型・複雑な物になっていた。
また旧型ホィールコンベアの修理・廃棄（分解・分別）時にも大きな力でフレームを開くことが必要で、修理・廃棄にコストがかかりがちであった。
そして軸受け穴をフレームと別に樹脂部品で成形、組み付ける方式（以下新型と記す）が特許文献１及び２において提案されている。特許文献１の内容は樹脂製の軸受け板をフレームと別に製造し軸受け板とホィール及び回転軸をあらかじめ組立てたホィールユニットとして、フレームの断面方向から溝に差し込む構造となっている。
このためホィール１個を故障交換するにも使用状態から取外し、故障ホィールより手前にあるホィールユニット全てを引き出さないと交換できなかった。
またその構造のため組立工程が複雑になり製造機械が旧型より更に大型・複雑な物になってしまっていた。
Among the structures proposed in the above-mentioned patent documents, in a product (hereinafter referred to as an old model) in which a bearing hole and a frame, which is one form of a conventional product, are integrally formed, the frame is used to support the load of the object to be conveyed. It has a highly rigid structure, and when it was assembled, it was necessary to open the U-shaped opening of the frame with a large force and assemble the rotating shaft, making the manufacturing machine large and complex.
Also, when repairing and disposing (disassembling and separating) old wheel conveyors, it was necessary to open the frame with great force, which tended to be costly to repair and dispose.
Patent Documents 1 and 2 propose a method (hereinafter referred to as a new model) in which bearing holes are molded and assembled with resin parts separately from the frame. The content of Patent Document 1 is a structure in which a resin bearing plate is manufactured separately from a frame and a bearing plate, a wheel, and a rotating shaft are assembled in advance and inserted into a groove from the cross-sectional direction of the frame.
For this reason, in order to replace one wheel with a fault, it was not possible to replace it without removing it from the operating state and pulling out all the wheel units in front of the failed wheel.
In addition, the assembly process is complicated due to the structure, making the manufacturing machine larger and more complex than the old model.
以上の課題を解決するために、
ホィールコンベアのフレーム部分を弾性の違う二種類の素材からなるフレームを嵌合させて形作る構造とし、分離状態では内フレームは外力でしなやかに変形をして組立・分解を容易にさせ、嵌合状態では剛性が強く容易に分解しない構造とする。
また軸受け穴の形状を工夫し、個別の軸受け穴だけを選択的に開いて回転軸の着脱が可能となるようにし、かつ使用状態においては被搬送物の荷重が回転軸から外フレームに直接伝わる様にして、剛性の弱い内フレームの変形を防ぐ構造とした。
In order to solve the above problems,
The frame part of the wheel conveyor is formed by fitting two frames of different materials, and in the separated state, the inner frame is flexibly deformed by external force to facilitate assembly and disassembly, and the fitted state Then, the structure is strong and not easily disassembled.
In addition, the shape of the bearing hole has been devised so that only individual bearing holes can be selectively opened so that the rotating shaft can be attached and detached. In use, the load of the conveyed object is directly transmitted from the rotating shaft to the outer frame. In this way, a structure that prevents the deformation of the inner frame having low rigidity was obtained.
近年、市場に販売されているホィールコンベアはそのフレームの構造に着目すると
大きく2種類に分類できる。便宜的に片方を旧型、片方を新型と呼ぶ。
旧型はフレームに直接成形された穴部にホィールの回転軸を直接組みつけている。
また新型はフレームに成形された溝部に樹脂製軸受け部品を差し込む構造である。
これらのコンベアと本件発明によるホィールコンベアの機能面での違いを表１に
て比較する。
In recent years, wheel conveyors sold in the market can be roughly classified into two types when focusing on the structure of the frame. For convenience, one is called the old model and the other is called the new model.
In the old model, the wheel rotation shaft is directly assembled in the hole formed directly in the frame.
The new model has a structure in which resin bearing parts are inserted into grooves formed in the frame.
Table 1 compares the functional differences between these conveyors and the wheel conveyor according to the present invention.
表１に示す様に本件発明により、以下の効果を得られる
１．従来品新型に比して、部品数減少と組立工程簡素化による生産コストのダウン
２．外側フレームと内側フレームの簡単な嵌合構造により、分離輸送・販売時最終組立を可能とし物流・在庫コストのダウン
３．容易な嵌合によりユーザーによる嵌合組立を可能とし、内・外各フレームの別売りによる、ユーザー購入費・修理費のダウンと廃棄物の減量
４．分解が容易な構造による、分別・リサイクル率の向上As shown in Table 1, the present invention provides the following effects. 1. Lower production costs by reducing the number of parts and simplifying the assembly process compared to the new model. 2. A simple fitting structure between the outer frame and the inner frame enables separate assembly at the time of transportation and sales, reducing logistics and inventory costs Weight loss easy fit by to allow the fitting assembly by the user, by optional inner and outer frames, user purchase cost and repair costs down and waste 4. Improved separation and recycling rate due to easy disassembly
この発明の実施形態の一例を、図１に示す。
ホイールコンベアの内フレームは弾力のある薄板鋼板あるいは強靭な樹脂製であり、Ｕの字形状をなし、多数のホイール軸受け孔が設けられている。
ホィール軸受け穴はＵの字断面の上部にあり、上方に向かって開いた傾斜面に設けられ
ホィール軸を下方に押し付ける事で左右対になった軸受け穴のピッチが広がり、軸を圧入できる形態となっている。
更に個々の軸受け穴は個別に広がる様スリットが設けられている。
An example of the embodiment of the present invention is shown in FIG.
The inner frame of the wheel conveyor is made of an elastic thin steel plate or strong resin, has a U shape, and is provided with a large number of wheel bearing holes.
The wheel bearing hole is at the top of the U-shaped section, and is provided on an inclined surface that opens upward. By pressing the wheel shaft downward, the pitch of the paired bearing holes is widened and the shaft can be press-fitted. It has become.
Furthermore, each bearing hole is provided with a slit so as to expand individually.
「実施形態の効果」
本発明のホィールコンベアではその製造組立工程において、内フレームのＵの字断面の上方に設けられた傾斜面により上方から押し付けられたホィールの両端が直接軸受け穴部に接するため、内フレーム全体を広げる事無く組立が可能となり、単純な一方向圧入となる。このため製造機械が単純簡便で小型高速な機械になり、生産コストのダウンとなる。
これに対し従来品新型においてはホィール、軸、軸受けをあらかじめユニット組立してフレーム断面より差し込む構造のため、複雑な生産機械で生産速度も遅くなる。
軸受け部品も１００〜１５０ｍｍ程度と長さが限られ、左右別になっているため
部品数が多くなり製造コスト面で不利となっている。
また従来品旧型においては剛性の高いフレームに軸受け穴が設けられているため、フレーム全体を引き広げてホィール軸を組み付けるため、大型の機械になってしまう。
部品数が少なく新型に比べ安価に供給されているが、修理・廃棄を含めたライフサイクルコストでは新型に劣ると判定するユーザーが広がりつつある。
本件発明では個々の軸受け穴は圧入に際し個々の軸受け穴が柔軟に広がる様スリットが設けられており、小さな力で圧入を可能とし、また修理・交換の際にもより小さな力で特定の軸だけを外す事を可能としている。
これらにより従来品新型より更に修理・廃棄を容易にしかつ低価格で供給可能ならしめる。
「他の実施形態」
従来品は３〜４ｍの完成品で流通・販売されているが、本件発明においては３〜４ｍの外フレームに１ｍ前後の内フレームを複数組み付ける運用が可能となり、物流・販売面での運用自由度が増す。
また従来品を生産・販売するメーカはいずれもホィール形状の異なる複数の製品を取扱っているが、本件発明ではホィール形状の異なる内フレームを短尺で在庫すれば、
受注に応じて受注長さに応じた長さの外フレームに営業倉庫で完成組立をさせる事が容易になり、在庫圧縮の一助になる。
"Effect of the embodiment"
In the wheel conveyor of the present invention, in the manufacturing and assembling process, since both ends of the wheel pressed from above by the inclined surface provided above the U-shaped cross section of the inner frame are in direct contact with the bearing hole portion, the entire inner frame is expanded. Assembling is possible without any problems and simple one-way press-fitting. For this reason, the manufacturing machine becomes a simple, simple, small and high speed machine, and the production cost is reduced.
On the other hand, the new conventional model has a structure in which the wheel, shaft and bearing are assembled in advance and inserted from the cross section of the frame, so the production speed is slow with complicated production machines.
The bearing parts are also limited in length to about 100 to 150 mm, and are separated on the left and right sides, so the number of parts is increased, which is disadvantageous in terms of manufacturing cost.
In addition, since the bearing holes are provided in the rigid frame in the conventional old model, the entire frame is expanded and the wheel shaft is assembled, resulting in a large machine.
Although the number of parts is small and it is supplied at a lower price than the new model, there are an increasing number of users who judge that the life cycle cost including repair and disposal is inferior to the new model.
In the present invention, each bearing hole is provided with a slit so that each bearing hole can be expanded flexibly when press-fitted, and it is possible to press-fit with a small force. It is possible to remove.
These make it easier to repair and dispose of the new model and make it available at a lower price.
"Other embodiments"
Conventional products are distributed and sold as 3 to 4m finished products, but in the present invention, it is possible to assemble multiple inner frames of around 1m on 3 to 4m outer frames, which is free in terms of logistics and sales. The degree increases.
In addition, all manufacturers that produce and sell conventional products handle multiple products with different wheel shapes, but in the present invention, if the inner frames with different wheel shapes are stocked in a short length,
According to the order, it becomes easy to complete the assembly in the sales warehouse to the outer frame of the length corresponding to the order length, which helps to reduce the inventory.
既に従来品が自動車産業、電機産業など多方面で使用されており、その改良である本件発明が利用できることは言を待たない。 The conventional product has already been used in various fields such as the automobile industry and the electric industry, and it cannot be overlooked that the present invention, which is an improvement thereof, can be used.
１ 外フレーム
２ 内フレーム
３ 軸受け穴
４ 回転軸
５ ホィール
1 Outer frame
2 Inner frame 3 Bearing hole
4 Rotating shaft 5 Wheel
Claims (4)
の挿入が一方向圧入とできる、請求項１に記載のホィールコンベア。 The wheel conveyor according to claim 1, wherein a bearing hole provided in the inner frame is provided on an inclined surface at an upper part of the inner frame, and the rotation shaft can be inserted in one direction during the production.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010269003A JP5687477B2 (en) | 2010-12-02 | 2010-12-02 | Double frame type wheel conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010269003A JP5687477B2 (en) | 2010-12-02 | 2010-12-02 | Double frame type wheel conveyor |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2012116635A JP2012116635A (en) | 2012-06-21 |
| JP2012116635A5 JP2012116635A5 (en) | 2012-08-02 |
| JP5687477B2 true JP5687477B2 (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010269003A Active JP5687477B2 (en) | 2010-12-02 | 2010-12-02 | Double frame type wheel conveyor |
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| Country | Link |
|---|---|
| JP (1) | JP5687477B2 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE535479C2 (en) * | 2011-01-28 | 2012-08-21 | Flexqube Ab | Telescopic runway |
| EP3546393B1 (en) * | 2018-03-28 | 2023-07-05 | Interroll Holding AG | Locking device and method for locking a wheel track to an end beam, carton flow bed rack and use |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4816799Y1 (en) * | 1969-12-18 | 1973-05-14 | ||
| JPS6050611U (en) * | 1983-09-12 | 1985-04-09 | 株式会社 寺岡精工 | roller conveyor |
| JPH0867324A (en) * | 1994-08-30 | 1996-03-12 | Toyo Kanetsu Kk | Roller shaft presser and conveyor device |
| JP3932534B2 (en) * | 2002-10-04 | 2007-06-20 | 株式会社ケイ・アイ・ディー | Display shelf device with automatic movement force applied to articles |
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| Publication number | Publication date |
|---|---|
| JP2012116635A (en) | 2012-06-21 |
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