JP3571284B2 - Cloth loading device - Google Patents

Cloth loading device Download PDF

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Publication number
JP3571284B2
JP3571284B2 JP2000308220A JP2000308220A JP3571284B2 JP 3571284 B2 JP3571284 B2 JP 3571284B2 JP 2000308220 A JP2000308220 A JP 2000308220A JP 2000308220 A JP2000308220 A JP 2000308220A JP 3571284 B2 JP3571284 B2 JP 3571284B2
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Japan
Prior art keywords
cloth
suction nozzle
suction
contact
holding
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Expired - Fee Related
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JP2000308220A
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JP2002113294A (en
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洋左右 前嶋
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洋左右 前嶋
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Description

【0001】
【発明の属する技術分野】
本発明は、布類を少なくとも2点で保持して左右に拡げ、次工程に投入するための装置に関するものである。
【0002】
【従来の技術】
例えばテーブルクロス等、サイズの大きい布類を洗濯等のための装置に投入するために拡げる場合、従来は布類の上部の両端をクランプで摘み、クランプを左右へ移動させて拡げる方法がとられて来た。しかし、大型の布類では重量も大きいため、クランプ間の上辺に撓みが生じ、そのままでは布類の先端が弓なりに撓んだまま次工程へ投入されることになり、原型を回復できないという問題を生じる。またその結果は折り畳み製品の形態に影響し、さらにテーブルクロスとしての品位を損う。
【0003】
布類の先端の撓みを解消するには、クランプにより布類を拡げる張力を高めれば良いが、張力に耐えきれず、やがて布類が破れてしまうことになる。大型の布類ではあっても生地の厚さや強度に限界があり、洗濯後、アイロナーへ投入するときには脱水されただけで、湿っているため重量も増しており、従来の方法では布類の耐用期間を縮める結果となっている。
【0004】
【発明が解決しようとする課題】
本発明は前記の点に着目してなされたもので、その課題は布類に過度の張力を加えなくても、先端を直線状にして次工程に投入できるようにすることである。
【0005】
【課題を解決するための手段】
前記の課題を解決するにあたり本発明は、保持点間に生じる布類の撓みをなくすために、保持点間の布類を吸引して持ち上げ重量を一部負担するように吸引ノズルを布類に対して設置し、かつ布類を吸引ノズルに接触させるように誘導する誘導手段を布類に向けて設置し、前記吸引ノズルに吸引作用を有効にするか否かを切り換える手段を設け、誘導手段により布類を吸引ノズルに接触させるのとほぼ同時に切り換え手段を切り換え、吸引ノズルが布類を吸引可能とするという手段を講じたものである。
【0006】
【発明の実施の形態】
本発明に係る布類投入装置は、布類を少なくとも2点で保持して左右に拡げ、次工程に投入するための装置である。特に本発明のものは投入のために吊り下げられている布類の上辺、即ち投入される布類の先端が撓んだまま投入されないようにしたものである。
【0007】
保持点間に生じる布類の撓みをなくすために、本発明では保持点間にて布類を吸引により保持し、持ち上げることによって、布類の重量を一部負担するという対策を取る。吸引という手段を取ることによって、布類に対する持ち上げ作用が容易に行われるようになり、かつ挟むような手段に比較して布類に跡が残るということもない。吸引手段のノズルは布類に対して設置する。この吸引ノズルはそれ自体が上を向くか、吸引ノズルを取り付けてある部分ごと上方へ移動可能であるかによって、布類を持ち上げられるようにされていることが望ましい。
【0008】
さらに、布類を吸引ノズルに接触させるように仕向ける誘導手段を布類に向けて設置する。布類が吸引ノズルから離れていると、吸引力が強力でもそれだけで布類を吸引ノズルに吸着させることは困難であり、確実な吸着には吸引ノズルと布類が接触していることが望まれる。そのためには、まず布類を動かして吸引ノズルに接触させる方法を取り得る。誘導手段にはエア噴射が使用可能であり、この場合布類には加圧気流による押す力と吸引気流による引く力が同時に作用することになる。その他布類を押す部材やあおる部材などで機械的に誘導することもできる。さらに、布類を動かす代わりに、吸引ノズルを吸引力が及ばないほど離れた位置から、布類に接触可能な接触位置まで移動可能とすることも十分可能である。
【0009】
吸引ノズルは吸引路を介して吸引機に接続する。同時に、その吸引系統の適当な箇所には切り換え手段が設けられる。切り換え手段は、常時運転状態に置かれる吸引機の吸引作用を遮断可能として、不用時等に吸引ノズルに吸引力を生じさせないために設けられる。従って、吸引ノズルによる吸引が必要となるその都度流れを切り換える場合には切り換え弁を用いることができ、吸引の都度、吸引機を作動させる場合にはスイッチによるオン、オフを選択することができる。
【0010】
前記誘導手段により布類を吸引ノズルに接触させるのとほぼ同時に、切り換え手段を切り換えて、吸引ノズルが布類を吸引し得るようにする。つまり、布類に対する前記押し引きがほぼ同時に作用して、布類に吸引ノズルが確実に吸着できることになる。ほぼ同時、とは吸引ノズルと誘導手段の布類に対する作用開始のタイミングを意味することとなるが、その先、後はどちらでも余り差がないということである。
【0011】
【実施例】
以下図面を参照して本発明を実施例により詳細に説明する。図1、図2は布類投入装置10の全体を示しており、同装置10は、正面上部に設置された投入コンベア11、その上部に投入コンベア11の略全幅に亘って設けられた布類の展張部12及び、展張部12へ布類を預け渡す布類の取り付け部13を有する。布類取り付け部13は左右にあって、夫々昇降可能に設けられた二対の預けクランプ14、15を有し、上部で待機する左右各二対の展張クランプ16、17に布類を預け渡す。18は展張クランプ16、17の移動機構を示す。
【0012】
例示の装置では、二対の展張クランプ16、17が保持点となるので、保持点間に生じる布類の撓みをなくすための吸引ノズル21を有する吸引部20が、展張クランプ16、17で保持されている布類の重量を一部負担するためその上辺よりも下方の位置に配置される。吸引ノズル21は、吸引部20のケース内に設けられた回転軸22によって布類の正面下方から上方へ回転可能に設けられている。回転軸22はシリンダ装置23にリンク23aにより結合されている。
【0013】
上記吸引部20は、そのケースに接続した吸引ダクト24によって装置正面の略中央部に吊り下げるように設置されており、吸引ダクト24の他端は、吸引機25であるブロワに接続されている。従って、吸引機25を常時運転とするときには、その吸引力が吸引ノズル21に作用するのを制御するための切り換え手段として切り換え弁が設けられている。例示の切り換え手段は、弁筐内に設けられた開閉弁26と、閉弁時に外気を吸入するための外気吸入口27とを有する。しかし、切り換え手段として上記の弁等を設けず、吸引ノズル21を布類Mに吸引力が及ばない位置まで移動可能とする構成を設けても良い。なお布類Mの展張は確認センサ28で、また吸引ノズル21の作動は始動センサ29で制御される。
【0014】
さらに、布類Mを吸引ノズル21に接触させるように仕向ける誘導手段30が布類Mに向けて設けられる。実施例の場合誘導手段30としてエアブローノズルが採用されており、同ノズルは下向きになっている吸引ノズル21の方向へ、布類Mを挟んで向い側から気流を噴射するように配置されている。切り換え手段として上記の弁等を設けない場合には、誘導手段として吸引ノズル21を動かすシリンダ装置23及びリンク23aから成る移動手段の可動範囲を拡大することで対応することとなる。例えば図4において吸引ノズル21の長さを布類Mに接触可能な寸法に延長し、かつ図4の下方へ向く位置まで可動範囲を拡大する。
【0015】
本発明に係る装置では、左右の預けクランプ14、14、15、15のどちらかに布類Mの上辺の左右両端部を取り付けることから作業を開始する。例えば預けクランプ15、15は上昇して展張クランプ17、17に布類Mを預け渡すので、布類Mは上辺の左右両端部にて展張クランプにより2点で保持され、拡げられる(図5(a))。展張されつつある布類Mの先端(上辺Ma)が吸引部20に設けられている始動センサ29に検出されると、誘導手段30から気流が噴射され、それと同時に切り換え弁が開となるので、吸引ノズル21から吸引作用が始まる(図5(b))。
【0016】
誘導手段30の噴射気流が布類Mを吸引ノズル21に接触させると、吸引ノズル21が布類Mに吸着し、さらに上方へ回転することで、布類Mの重量を中央部にて負担するようになる(図5(c))。その結果、布類Mの先端にかかる負担が減少し、上辺Maが直線状になるまで展張クランプ15、15で展張され、直線状になったかどうかを確認センサ28によって確かめる。このとき、布類Mの上辺には殆ど重量がかかっていないので展張力がそれほど強くなくても上辺Maは直線状となり、従って破れるほど強力な展張力が加えられることはない(図5(d))。
【0017】
【発明の効果】
本発明は以上の如く構成されかつ作用するものであるから、布類の重量の一部が吸引ノズルにより布類の保持によって負担され、過度の張力を布類に加える必要がないので布類の先端は少い張力で直線状に保たれ、整った形状で布類を次工程に投入することができ、かつまた布類の損耗を早めることもない等、顕著な効果を奏する。
【図面の簡単な説明】
【図1】本発明に係る布類投入装置の実施例を示す全体正面図。
【図2】同じく側面図。
【図3】同上要部を拡大して示す正面図。
【図4】同じく側面図。
【図5】(a)布類の展張途中の状態を示す工程図。
(b)吸引ノズルが作動を始める段階の工程図。
(c)吸引ノズルにより布類を持ち上げる状態を示す工程図。
(d)布類の上辺が直線状になった状態を示す工程図。
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an apparatus for holding cloth at at least two points, expanding the cloth left and right, and feeding the cloth to the next step.
[0002]
[Prior art]
For example, when spreading large-size cloths, such as tablecloths, in order to put them in a device for washing, etc., conventionally, the upper end of the cloths is gripped with a clamp, and the clamp is moved left and right to spread the cloth. I came. However, since the weight of a large cloth is large, the upper side between the clamps bends, so that the cloth is fed into the next process while the tip of the cloth is bent in a bow, and the original pattern cannot be recovered. Is generated. The result also affects the form of the folded product and further impairs the quality as a tablecloth.
[0003]
In order to eliminate the bending of the tip of the cloth, the tension for expanding the cloth may be increased by a clamp. However, the cloth cannot withstand the tension and eventually breaks. Even with large-size cloths, the thickness and strength of the cloths are limited, and when they are put into the ironer after washing, they are only dehydrated and wet, so the weight is increasing. As a result, the period is shortened.
[0004]
[Problems to be solved by the invention]
SUMMARY OF THE INVENTION The present invention has been made in view of the above point, and an object thereof is to enable the front end to be straightened and put into the next step without applying excessive tension to the cloth.
[0005]
[Means for Solving the Problems]
In order to solve the above-described problems, the present invention provides a suction nozzle on a cloth so as to partially lift the cloth by sucking and lifting the cloth between the holding points in order to eliminate the bending of the cloth generated between the holding points. A guiding means for guiding the cloth so as to come into contact with the suction nozzle is provided facing the cloth, and means for switching whether or not the suction action is made effective is provided on the suction nozzle; The switching means is switched almost at the same time when the cloth is brought into contact with the suction nozzle, so that the suction nozzle can suction the cloth.
[0006]
BEST MODE FOR CARRYING OUT THE INVENTION
The cloth feeding apparatus according to the present invention is an apparatus for holding cloth at at least two points, expanding the cloth left and right, and feeding the cloth into the next process. In particular, according to the present invention, the upper side of the cloth suspended for loading, that is, the leading end of the cloth to be thrown is bent so as not to be thrown.
[0007]
In order to eliminate the bending of the cloth generated between the holding points, the present invention takes a measure to partially hold the weight of the cloth by holding and lifting the cloth between the holding points by suction. By taking the means of suction, the lifting action on the cloth can be easily performed, and no trace is left on the cloth as compared with the means of pinching. The nozzle of the suction means is installed on the cloth. The suction nozzle is desirably configured to be able to lift the cloth depending on whether the suction nozzle itself is facing upward or whether the suction nozzle is movable upward along with the part to which the suction nozzle is attached.
[0008]
Further, guide means for guiding the cloths to come into contact with the suction nozzle is provided facing the cloths. If the cloth is far from the suction nozzle, it is difficult to attract the cloth to the suction nozzle by itself even if the suction force is strong, and it is desirable that the suction nozzle and the cloth are in contact with each other for reliable suction. It is. For this purpose, a method in which cloth is first brought into contact with a suction nozzle can be adopted. An air jet can be used for the guide means. In this case, a pushing force by the pressurized airflow and a pulling force by the suction airflow act on the cloth at the same time. In addition, it can be mechanically guided by a member that pushes the cloth or a member that lifts. Further, instead of moving the cloth, it is sufficiently possible that the suction nozzle can be moved from a position that is far from the suction force to reach the contact position where the suction nozzle can contact the cloth.
[0009]
The suction nozzle is connected to a suction machine via a suction path. At the same time, switching means are provided at appropriate places in the suction system. The switching means is provided to shut off the suction action of the suction machine which is always in the operating state and to prevent the suction nozzle from generating a suction force when not in use. Therefore, a switching valve can be used to switch the flow each time the suction by the suction nozzle is required, and it is possible to select ON or OFF by a switch when the suction machine is operated each time of suction.
[0010]
Almost at the same time when the cloth is brought into contact with the suction nozzle by the guiding means, the switching means is switched so that the suction nozzle can suction the cloth. In other words, the pushing and pulling of the cloth work almost simultaneously, so that the suction nozzle can surely adhere to the cloth. "At substantially the same time" means the timing of the start of the action of the suction nozzle and the guide means on the cloth, but there is no significant difference between the two before and after.
[0011]
【Example】
Hereinafter, the present invention will be described in detail with reference to the drawings. 1 and 2 show the entirety of the cloth feeding device 10. The cloth feeding device 10 is provided with a charging conveyor 11 installed on the front upper portion, and a cloth provided over the substantially entire width of the charging conveyor 11 on the upper portion. And a cloth attaching portion 13 for transferring cloth to the extending portion 12. The cloth attachment portion 13 is provided on the left and right sides, and has two pairs of depositing clamps 14 and 15 provided so as to be able to move up and down, respectively, and delivers the cloths to the two pairs of left and right extending clamps 16 and 17 waiting at the upper part. . Reference numeral 18 denotes a moving mechanism of the extension clamps 16 and 17.
[0012]
In the illustrated device, since the two pairs of the extension clamps 16 and 17 are the holding points, the suction unit 20 having the suction nozzle 21 for eliminating the bending of the cloth generated between the holding points is held by the extension clamps 16 and 17. In order to partially bear the weight of the cloth, the cloth is disposed at a position lower than the upper side thereof. The suction nozzle 21 is provided to be rotatable upward from below the front of the cloth by a rotation shaft 22 provided in the case of the suction unit 20. The rotation shaft 22 is connected to a cylinder device 23 by a link 23a.
[0013]
The suction unit 20 is installed so as to be suspended at a substantially central portion of the front of the apparatus by a suction duct 24 connected to the case, and the other end of the suction duct 24 is connected to a blower as a suction device 25. . Therefore, when the suction device 25 is constantly operated, a switching valve is provided as switching means for controlling the suction force acting on the suction nozzle 21. The illustrated switching means has an on-off valve 26 provided in a valve housing and an outside air inlet 27 for sucking outside air when the valve is closed. However, a configuration may be provided in which the above-described valve or the like is not provided as the switching means, and the suction nozzle 21 can be moved to a position where the suction force does not reach the cloth M. The expansion of the cloth M is controlled by the confirmation sensor 28, and the operation of the suction nozzle 21 is controlled by the start sensor 29.
[0014]
Further, guidance means 30 for guiding the cloth M to be brought into contact with the suction nozzle 21 is provided toward the cloth M. In the case of the embodiment, an air blow nozzle is employed as the guiding means 30, and the nozzle is arranged so as to inject airflow from the opposite side across the cloth M in the direction of the downwardly directed suction nozzle 21. . In the case where the above-mentioned valve or the like is not provided as the switching means, the movable range of the moving means including the cylinder device 23 for moving the suction nozzle 21 and the link 23a as the guiding means is dealt with. For example, in FIG. 4, the length of the suction nozzle 21 is extended to a dimension that allows the suction nozzle 21 to come into contact with the cloth M, and the movable range is extended to a position facing downward in FIG.
[0015]
In the device according to the present invention, the work is started by attaching the left and right ends of the upper side of the cloth M to one of the left and right depositing clamps 14, 14, 15, and 15. For example, since the depositing clamps 15, 15 rise and deliver the cloth M to the stretching clamps 17, 17, the cloth M is held at two points by the stretching clamps at the left and right ends of the upper side and is expanded (FIG. 5 ( a)). When the leading end (upper side Ma) of the cloth M being expanded is detected by the starting sensor 29 provided in the suction unit 20, an airflow is injected from the guiding means 30, and at the same time, the switching valve is opened. The suction action starts from the suction nozzle 21 (FIG. 5B).
[0016]
When the jet airflow of the guide means 30 brings the cloth M into contact with the suction nozzle 21, the suction nozzle 21 is attracted to the cloth M, and further rotates upward, thereby bearing the weight of the cloth M at the center. (FIG. 5C). As a result, the load on the front end of the cloth M is reduced, and the upper side Ma is extended by the extension clamps 15 and 15 until the upper side Ma is linear, and it is confirmed by the confirmation sensor 28 whether or not the upper side Ma is linear. At this time, since the upper side of the cloth M is hardly weighed, the upper side Ma becomes linear even if the extension tension is not so strong, so that the extension tension is not so strong as to be broken (FIG. 5 (d)). )).
[0017]
【The invention's effect】
Since the present invention is constructed and operated as described above, a part of the weight of the cloth is borne by the suction nozzle by holding the cloth and there is no need to apply excessive tension to the cloth, so that The tip is kept in a straight line with a small tension, so that cloths can be put into the next step in a well-formed shape, and there is a remarkable effect that the cloths are not worn out quickly.
[Brief description of the drawings]
FIG. 1 is an overall front view showing an embodiment of a cloth feeding device according to the present invention.
FIG. 2 is a side view of the same.
FIG. 3 is an enlarged front view showing the essential parts of the same.
FIG. 4 is a side view of the same.
FIG. 5A is a process diagram showing a state in which cloth is being stretched.
(B) A process diagram at the stage when the suction nozzle starts operating.
(C) A process diagram showing a state in which cloth is lifted by a suction nozzle.
(D) A process diagram showing a state in which the upper side of the cloth is linear.

Claims (2)

布類を少なくとも2点で保持して左右に拡げ、次工程に投入するための装置であって、保持点間に生じる布類の撓みをなくすために、保持点間の布類を吸引して持ち上げ重量を一部負担するように吸引ノズルを布類に対して設置し、かつ布類を吸引ノズルに接触させるように誘導する誘導手段を布類に向けて設置し、前記吸引ノズルによる吸引作用を有効にするか否かを切り換える手段を設け、誘導手段により布類を吸引ノズルに接触させるのとほぼ同時に切り換え手段を切り換え、吸引ノズルが布類を吸引し得るようにしたことを特徴とする布類投入装置。A device for holding cloth at at least two points and expanding the cloth to the left and right, and feeding the cloth to the next step. In order to eliminate the bending of the cloth generated between the holding points, the cloth is sucked between the holding points. The suction nozzle is installed on the cloth so as to partially bear the lifting weight, and guidance means for guiding the cloth so as to be brought into contact with the suction nozzle is installed facing the cloth, and the suction action by the suction nozzle is performed. Means is provided for switching whether or not to enable, and the switching means is switched almost simultaneously with bringing the cloth into contact with the suction nozzle by the guiding means, so that the suction nozzle can suction the cloth. Cloth loading device. 誘導手段としてエア噴射を使用し、エア噴射の加圧気流による押す力と吸引ノズルへの気流による引く力が布類に同時に作用するように構成された請求項1記載の布類投入装置。2. The cloth feeding device according to claim 1, wherein the air jet is used as the guiding means, and the pushing force by the pressurized airflow of the air jet and the pulling force by the airflow to the suction nozzle simultaneously act on the cloth.
JP2000308220A 2000-10-06 2000-10-06 Cloth loading device Expired - Fee Related JP3571284B2 (en)

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JP2000308220A JP3571284B2 (en) 2000-10-06 2000-10-06 Cloth loading device

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Application Number Priority Date Filing Date Title
JP2000308220A JP3571284B2 (en) 2000-10-06 2000-10-06 Cloth loading device

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JP2002113294A JP2002113294A (en) 2002-04-16
JP3571284B2 true JP3571284B2 (en) 2004-09-29

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JP4855808B2 (en) * 2006-03-17 2012-01-18 洋左右 前嶋 Cloth input device
JP5581019B2 (en) * 2009-07-31 2014-08-27 株式会社プレックス Square shape cloth unfolding device
JPWO2022180844A1 (en) * 2021-02-26 2022-09-01

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