JP2007238193A - Conveying device for article - Google Patents

Conveying device for article Download PDF

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Publication number
JP2007238193A
JP2007238193A JP2006058891A JP2006058891A JP2007238193A JP 2007238193 A JP2007238193 A JP 2007238193A JP 2006058891 A JP2006058891 A JP 2006058891A JP 2006058891 A JP2006058891 A JP 2006058891A JP 2007238193 A JP2007238193 A JP 2007238193A
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Japan
Prior art keywords
air
article
storage tank
conveying
base board
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Pending
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JP2006058891A
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Japanese (ja)
Inventor
Toshio Shibata
敏男 柴田
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Kanto Jidosha Kogyo KK
Toyota Motor East Japan Inc
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Kanto Jidosha Kogyo KK
Kanto Auto Works Ltd
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Priority to JP2006058891A priority Critical patent/JP2007238193A/en
Publication of JP2007238193A publication Critical patent/JP2007238193A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a conveying device for an article, which efficiently floats an article in a less consumption of air and performs conveying without generating a scratch and deposition of foreign matters. <P>SOLUTION: The conveying device for the article is provided with: a conveying base board 1 provided with air jet ports 2 on a board surface at a constant pitch and descended/inclined in a conveying direction of the article W; an air storage tank 4 formed on a lower surface of the conveying base board 1; an air feed port 5 provided in an equally divided position in the air storage tank 4; and an air pipe 6 connected to the air feed port 5 and uniformly introducing air. The air in the air storage tank 4 is jetted from the air jet port 2 while making a pressure and a flow rate uniform and the article W is floated from the conveying base board surface 1 by an air film of a constant pressure generated between the article W and the air jet port 2 to perform conveying by inclination of the conveying base board 1. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、エアー圧により物品を浮上させて搬送する装置に関するものである。   The present invention relates to an apparatus that floats and conveys articles by air pressure.

例えば、自動車用の鋼板は切断工程で所要の形状に切断されプレス成形加工工程に搬送している。この鋼板の搬送にはベルトコンベアーやローラコンベアーを用いていたが、搬送途上で構造物との接触部に衝突や摩擦が生じるため、鋼板へ異物の付着や傷が発生し、後工程でプレス加工した時に製品に凹凸等の不良となる不具合があった。   For example, a steel plate for automobiles is cut into a required shape in a cutting process and conveyed to a press forming process. Belt conveyors and roller conveyors were used for transporting this steel plate, but collisions and friction occurred at the contact parts with the structure during transportation, so that adhesion and scratches of foreign matter occurred on the steel plate, and press processing was performed in the subsequent process. There was a problem that the product had defects such as irregularities.

上記の不具合を解消するためエアー圧により物品を浮上させて搬送する装置がある。従来装置は、図６で示すように、搬送台盤１０の盤面に多数のエアーノズル３０を設け、このエアーノズル３０から噴出するエアー圧で物品Ｗを搬送台盤１０より浮上させて搬送している。この場合、エアーの流量と圧力を高めないと物品Ｗが浮上できない。しかしながら、エアーの圧力が高いと物品Ｗがバタつくと共にエアーの消費量は多いという問題がある。   In order to solve the above problems, there is an apparatus that lifts and conveys articles by air pressure. As shown in FIG. 6, the conventional apparatus is provided with a number of air nozzles 30 on the surface of the transport table 10, and the article W is lifted from the transport table 10 by the air pressure ejected from the air nozzle 30 and transported. Yes. In this case, the article W cannot be lifted unless the air flow rate and pressure are increased. However, when the air pressure is high, there is a problem that the article W flutters and the air consumption is large.

前記エアーの消費量を少なくするために、図７で示すように、物品Ｗの両側に壁６０を設け、エアーの逃げ量を抑制して物品Ｗの浮上率を高める技術が採用されているが、物品Ｗと壁６０の接触があり、傷付きや異物付着が発生の要因となっている。
特開昭６２−１３７６３９公報 特開平０５−１４０３４公報 特開平１０−２５０８４１公報 In order to reduce the amount of air consumption, as shown in FIG. 7, a technique is adopted in which walls 60 are provided on both sides of the article W to suppress the air escape amount and increase the floating rate of the article W. In addition, there is contact between the article W and the wall 60, which is a cause of generation of scratches and foreign matter adhesion.
JP-A-62-137639 Japanese Patent Laid-Open No. 05-14034 Japanese Patent Laid-Open No. 10-250841

本発明は、上記のような従来の問題点に鑑みて、少ないエアーの消費量で物品を効率良く浮上させ、傷付きや異物付着が発生なく搬送可能とした物品の搬送装置を提供することを目的とする。   SUMMARY OF THE INVENTION In view of the above-described conventional problems, the present invention provides an article transport apparatus that can efficiently lift an article with a small amount of air consumption, and can be transported without being damaged or adhered to foreign matter. Objective.

本発明は、この目的を達成するために、請求項１に記載の通り、盤面に定ピッチでエアー噴出口が設けられ物品の搬送方向に下降傾斜した搬送台盤と、この搬送台盤の下面に形成したエアー貯蔵タンクと、このエアー貯蔵タンク内の等分な位置に設けたエア供給口と、このエアー供給口に接続され均等にエアーを導入するエアー配管とを備え、前記エアー貯蔵タンク内のエアーを前記エアー噴出口より圧力と流量を均一に噴出して物品とエアー噴出口との間に発生する一定圧のエアー膜により物品を搬送台盤面より浮上させて搬送台盤の傾斜により搬送するようにしたことを特徴とするものである。   In order to achieve this object, the present invention provides, as described in claim 1, a transport base plate provided with air jets at a constant pitch on the board surface and inclined downward in the article transport direction, and a lower surface of the transport base plate. An air storage tank formed in the air storage tank, an air supply port provided at an equally divided position in the air storage tank, and an air pipe connected to the air supply port to uniformly introduce air, The air is jetted uniformly from the air jet outlet at a pressure and flow rate, and the article is lifted from the carrier board surface by an air film of constant pressure generated between the article and the air jet nozzle, and is conveyed by the inclination of the carrier board. It is characterized by doing so.

請求項２に記載の通り、前記エアー噴出口は逆円錐形状で、その底中心にエアー貯蔵タンクと連通するノズルを有し、エアー噴出口からエアーが放射線状に放出するようにしたことを特徴とするものである。   According to a second aspect of the present invention, the air outlet has an inverted conical shape, and has a nozzle communicating with the air storage tank at the center of the bottom, so that air is discharged radially from the air outlet. It is what.

本発明によれば、エアー圧を均一に貯蔵したエアー貯蔵タンクからエアー噴出口より圧力と流量を均一に噴出するため、物品とエアー噴出口との間に一定圧で均一な膜層のエアー膜が生成され、少ないエアーの消費量で物品を効率良く浮上させて搬送することができる。また、前記エアー噴出口は逆円錐形状で、その底中心にエアー貯蔵タンクと連通するノズルを有し、エアー噴出口からエアーが放射線状に放出するようにしたため、エアー噴出口から噴出するエアーの流れが均一となり、物品とエアー噴出口との間に均一な膜層のエアー膜で物品を安定した状態で浮上することができるという効果を有している。   According to the present invention, since the pressure and the flow rate are uniformly ejected from the air ejection port from the air storage tank in which the air pressure is uniformly stored, the air film having a uniform film layer at a constant pressure between the article and the air ejection port. Is generated, and the article can be efficiently levitated and transported with a small amount of air consumption. The air outlet has an inverted conical shape and has a nozzle communicating with the air storage tank at the center of the bottom, and air is discharged radially from the air outlet, so that the air jetted from the air outlet The flow becomes uniform, and the article can be floated in a stable state with an air film having a uniform film layer between the article and the air jet nozzle.

以下本発明を実施するための最良の形態について図面に基づいて説明する。図１において、１は搬送台盤であり物品Ｗの搬送方向に下降傾斜している。この搬送台盤１の盤面には図２で示すように一定のピッチでエアー噴出口２が設けられている。また、搬送台盤１の下面にはエアー圧を均一に貯蔵したエアー貯蔵タンク４が形成されている。   The best mode for carrying out the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 denotes a conveyance board which is inclined downward in the conveyance direction of the article W. As shown in FIG. 2, air jets 2 are provided on the surface of the transport base 1 at a constant pitch. An air storage tank 4 that stores air pressure uniformly is formed on the lower surface of the transport table 1.

前記エアー貯蔵タンク４にエアー圧を均一に貯蔵させる手段は、エアー貯蔵タンク４内の等分な位置にエア供給口５を設け、このエア供給口５に均等にエアーを導入するエアー配管６を接続した構造である。   The means for uniformly storing the air pressure in the air storage tank 4 is provided with an air supply port 5 at an equal position in the air storage tank 4, and an air pipe 6 for uniformly introducing air into the air supply port 5. It is a connected structure.

前記エアー噴出口２は図３の詳細図で示すように逆円錐形状で、その底中心にエアー貯蔵タンク４と連通するノズル３を有し、エアー噴出口２からエアーが放射線状に放出するようにしている。   The air outlet 2 has an inverted conical shape as shown in the detailed view of FIG. 3, and has a nozzle 3 communicating with the air storage tank 4 at the center of the bottom so that air is emitted radially from the air outlet 2. I have to.

本発明は上記の通りの構成であるから、エアー圧を均一に貯蔵したエアー貯蔵タンク４からエアー噴出口２より圧力と流量を均一に噴出し、物品Ｗとエアー噴出口２との間に一定圧で均一な膜層（例えば、０．２ｍｍから１．５ｍｍ）のエアー膜を生成して、少ないエアーの消費量で物品Ｗを効率良く浮上させて搬送台盤１の傾斜に沿って搬送される。   Since the present invention is configured as described above, the pressure and flow rate are uniformly ejected from the air ejection port 2 from the air storage tank 4 in which the air pressure is uniformly stored, and constant between the article W and the air ejection port 2. An air film of a uniform film layer (for example, 0.2 mm to 1.5 mm) is generated by pressure, and the article W is efficiently levitated with a small amount of air consumption and conveyed along the inclination of the conveying table 1. The

また、前記エアー噴出口２から噴出するエアーの流れが均一となり、物品Ｗとエアー噴出口２との間に均一な膜層のエアー膜で物品Ｗを安定した状態で浮上させる。これは、底中心のノズル３からのエアーは逆円錐形状のエアー噴出口２、すなわち、図３に示すように、すり鉢形状の円周面に沿ってエアー噴出口２の水平面の接点Ａまでの距離を等してエアーの流れを均一化するからである。   Further, the flow of air ejected from the air ejection port 2 becomes uniform, and the article W is floated in a stable state with an air film having a uniform film layer between the article W and the air ejection port 2. This is because the air from the nozzle 3 at the center of the bottom reaches the air outlet 2 having an inverted conical shape, that is, as shown in FIG. 3, along the mortar-shaped circumferential surface to the contact point A on the horizontal surface of the air outlet 2. This is because the air flow is made uniform by equalizing the distance.

前記エアー噴出口２の径２０ｍｍ、エアー圧力４９０ｋｐａとした場合、１個のエアー噴出口２で１５．７ｋｇ以下の物品Ｗを浮上させることが可能である。   When the diameter of the air outlet 2 is 20 mm and the air pressure is 490 kpa, an article W of 15.7 kg or less can be levitated at one air outlet 2.

図４及び図５で示すように、エアー噴出口２を配列して大きさ、形状が異なる物品Ｗ１〜Ｗ４（例えば、鋼板）であっても、物品Ｗ１〜Ｗ４の断面積の９０％以上のエアー噴出口２を塞ぐことによってエアー噴出口２の断面積×エアー圧力×エアー噴出口２の数で物品Ｗ１〜Ｗ４の浮上力が確保できる。   As shown in FIG.4 and FIG.5, even if it is articles | goods W1-W4 (for example, steel plate) in which the size and shape differ by arranging the air jet nozzle 2, 90% or more of the cross-sectional area of articles | goods W1-W4 By closing the air outlet 2, the floating force of the articles W <b> 1 to W <b> 4 can be ensured by the number of the cross-sectional area of the air outlet 2 × the air pressure × the number of the air outlets 2.

従って、本発明によると、搬送する物品Ｗへの異物付着や傷付きがなく品質向上し、動力搬送がなくなり省エネルギー搬送が可能であり、傷付きによるメンテナンス費を削減することができ、特に自動車用の鋼板のように切断工程で所要の形状に切断されプレス成形加工工程への搬送には最適である。   Therefore, according to the present invention, there is no foreign matter adhesion or damage to the article W to be transported, the quality is improved, energy transport is eliminated, energy saving transport is possible, and maintenance costs due to scratches can be reduced. The steel sheet is cut into a required shape in the cutting process, and is optimal for conveyance to the press forming process.

本発明装置の断面図Sectional view of the device of the present invention 搬送台盤の平面図Plan view of transport board エアー噴出口のエアーの流れ示す断面図Sectional view showing the air flow at the air outlet 本発明装置により各種大きさ、形状の物品の搬送状態を示す平面図The top view which shows the conveyance state of the articles | goods of various sizes and shapes by this invention apparatus 図４のＢ−Ｂ断面図BB sectional view of FIG. 従来装置を示す要部の断面図Sectional view of the main part showing a conventional device 従来装置を示す要部の断面図Sectional view of the main part showing a conventional device

符号の説明Explanation of symbols

１ 搬送台盤
２ エアー噴出口
３ ノズル
４ エアー貯蔵タンク
５ エア供給口
６ エアー配管 DESCRIPTION OF SYMBOLS 1 Conveyance board 2 Air jet 3 Nozzle 4 Air storage tank 5 Air supply port 6 Air piping

Claims (2)

盤面に定ピッチでエアー噴出口が設けられ物品の搬送方向に下降傾斜した搬送台盤と、この搬送台盤の下面に形成したエアー貯蔵タンクと、このエアー貯蔵タンク内の等分な位置に設けたエア供給口と、このエアー供給口に接続され均等にエアーを導入するエアー配管とを備え、前記エアー貯蔵タンク内のエアーを前記エアー噴出口より圧力と流量を均一に噴出して物品とエアー噴出口との間に発生する一定圧のエアー膜により物品を搬送台盤面より浮上させて搬送台盤の傾斜により搬送するようにしたことを特徴とする物品の搬送装置。 Air jets are provided at a constant pitch on the surface of the board, and the carrier board is inclined downward in the article conveyance direction, the air storage tank formed on the lower surface of the carrier board, and provided at an equal position in the air storage tank. An air supply port and an air pipe connected to the air supply port to uniformly introduce air, and the air in the air storage tank is uniformly ejected from the air outlet at a pressure and a flow rate so that the article and the air An article conveying apparatus characterized in that an article is levitated from the surface of a conveying table by an air film having a constant pressure generated between the nozzle and the jet nozzle, and is conveyed by an inclination of the conveying table. エアー噴出口は逆円錐形状で、その底中心にエアー貯蔵タンクと連通するノズルを有し、エアー噴出口からエアーが放射線状に放出するようにしたことを特徴とする請求項１に記載の物品の搬送装置。 2. The article according to claim 1, wherein the air outlet has an inverted conical shape, has a nozzle communicating with the air storage tank at the center of the bottom, and discharges air radially from the air outlet. Transport device.
JP2006058891A 2006-03-06 2006-03-06 Conveying device for article Pending JP2007238193A (en)

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Cited By (7)

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Publication number Priority date Publication date Assignee Title
KR101157197B1 (en) 2009-06-23 2012-06-20 주식회사 에스에프에이 Apparatus for transferring a substrate
JP2012121642A (en) * 2010-12-06 2012-06-28 Daifuku Co Ltd Plate-like body conveying device
TWI421967B (en) * 2008-11-24 2014-01-01 Sfa Engineering Corp Apparatus for transferring substrate
WO2014125686A1 (en) * 2013-02-14 2014-08-21 オイレス工業株式会社 Floating transport device, transport rail, and floating transport method
WO2015025784A1 (en) * 2013-08-22 2015-02-26 オイレス工業株式会社 Levitation transportation device
CN104878180A (en) * 2015-05-25 2015-09-02 马钢(集团)控股有限公司 Electrical steel plasma stable suspension device and preparation method thereof
KR102170860B1 (en) * 2019-10-23 2020-10-28 주식회사 대신테크 Multi panel device for attaching display panel with air bearing pad

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI421967B (en) * 2008-11-24 2014-01-01 Sfa Engineering Corp Apparatus for transferring substrate
KR101157197B1 (en) 2009-06-23 2012-06-20 주식회사 에스에프에이 Apparatus for transferring a substrate
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CN104878180A (en) * 2015-05-25 2015-09-02 马钢(集团)控股有限公司 Electrical steel plasma stable suspension device and preparation method thereof
CN104878180B (en) * 2015-05-25 2017-04-12 马钢(集团)控股有限公司 Electrical steel plasma stable suspension device and preparation method thereof
KR102170860B1 (en) * 2019-10-23 2020-10-28 주식회사 대신테크 Multi panel device for attaching display panel with air bearing pad

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