JP4719552B2 - Running inspection method for sealed mail and inspection device using the method - Google Patents

Running inspection method for sealed mail and inspection device using the method Download PDF

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JP4719552B2
JP4719552B2 JP2005318698A JP2005318698A JP4719552B2 JP 4719552 B2 JP4719552 B2 JP 4719552B2 JP 2005318698 A JP2005318698 A JP 2005318698A JP 2005318698 A JP2005318698 A JP 2005318698A JP 4719552 B2 JP4719552 B2 JP 4719552B2
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suction pad
suction
mail
pad
envelope
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JP2007126166A (en
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裕彦 岩本
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株式会社サム技研Ii
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Description

クレジットカ−ドなどの重要カ−ド類、パスワ−ドや個人情報を印字した通知書など受取人に郵送される郵便物にあって、それらを発送する側の業界では、局出し前の品質検査が極めて重要である。
具体的に言えば、封入封緘機の調整不良で封筒フラップ部が未接着のまま差出されたり、封筒自体の不良品混入でカマス部に接着不良があったり、腹割れと称される封筒側縁部の破損など、実務は必ずや深刻な不良品が混入する。
これらはわずかな発生率であっても、依頼主への請負責任や受取人の個人情報保護の観点から完璧な品質管理を余儀なくされる時代になった。
In the case of postal items sent to the recipient, such as important cards such as credit cards, passwords and personal information printed on personal information, in the industry that sends them out, quality inspections before they are issued Is extremely important.
Specifically, due to poor adjustment of the sealing and sealing machine, the envelope flap part is unattached, or the defective part of the envelope itself causes poor adhesion at the barracuda part, or the envelope side edge called belly crack In practice, serious defective products are always mixed, such as broken parts.
Even with a small incidence, these are the times when perfect quality control is required from the viewpoint of contractor responsibility to the client and protection of the recipient's personal information.

本発明は、こうした不良品の撲滅を達成するために成されたもので、局出しする前の段階で封緘済み郵便物を自動検査する技術に関する。
また従前は手作業、目視検査に頼っていたものを装置化することで検査精度の画一化を達成する。
また被検査物である郵便物を搬送しながら高速検査する走行式の新しい検査方式を提供する。
The present invention has been made to achieve the elimination of such defective products, and relates to a technology for automatically inspecting sealed mail pieces before they are put out.
In addition, the inspection accuracy will be standardized by using the equipment that previously relied on manual work and visual inspection.
It also provides a new traveling type inspection method that performs high-speed inspection while transporting postal items that are inspection objects.

従来、この種の検査装置として特許文献1(発明の名称:糊付け状態の検査方法とその検査方法による糊付け検査装置)が公知である。
しかし、この技術は封筒のフラップ部しか検査できない。
即ち、フラップ部にエア−を吹きつけ強制的に捲り上げ、持ち上がった陰影をカメラ入力することで画像判定する。
従って、フラップ部以外のカマス部や封筒側縁部の異常状態を判定することができず、係る技術の延長を以ってしても本願課題を解決するに及ばない。
Conventionally, Patent Document 1 (Title: Inspection Method for Gluing State and Gluing Inspection Device Using the Inspection Method) is known as this type of inspection device.
However, this technique can only inspect the flaps of envelopes.
That is, air is blown to the flap portion to forcibly lift it up, and the image is determined by inputting the raised shadow to the camera.
Therefore, it is impossible to determine the abnormal state of the barracuda part other than the flap part or the envelope side edge part, and even if this technique is extended, the present application problem cannot be solved.

特開2004−53302号公報JP 2004-53302 A

本発明は、係る郵便物に対し、封筒フラップ部の接着不良、封筒カマス部の接着不良ならびに封筒側縁部の腹割れについて、必要に応じて任意の項目のひとつ乃至すべての項目について同一工程で検査できる技術を提供する。
また、被検査物である郵便物を搬送しながら、その途上で走行検査する全く新しい高速大量処理を実現する画期的な工法を提案する。
The present invention relates to such postal matter with respect to poor adhesion of the envelope flap portion, poor adhesion of the envelope camas portion, and belly cracking of the envelope side edge portion in the same step for any one item or all items as necessary. Provide technology that can be inspected.
In addition, we propose a revolutionary method that realizes a completely new high-speed mass processing that transports and inspects the mail as it is inspected.

即ち、本願封入済み郵便物の走行検査方法は、郵便物の表側に作用する表側吸着パッドと裏側に作用する裏側吸着パッドを備え、前記表側吸着パッドが裏側吸着パッドより大きな吸着力を具備するようにし、搬送中の郵便物に対して前記両方の吸着パッドが表裏両面から吸着して当該郵便物の厚さ方向に離隔しつつ走行させ、前記裏側吸着パッドが吸着を維持できなくなって開放した吸着開放情報と前記吸着パッドの走行位置情報との関連で接着不良ならびに破損状態を検査することを特徴とする。   In other words, the running inspection method for mails enclosed in the present application includes a front side suction pad that acts on the front side of the mail piece and a back side suction pad that acts on the back side, and the front side suction pad has a larger suction force than the back side suction pad. The two suction pads are sucked from both the front and back surfaces of the mail piece being transported and run away from each other in the thickness direction of the mail piece, and the back side suction pad cannot maintain the suction and is opened. It is characterized in that an adhesion failure and a broken state are inspected in relation to the release information and the travel position information of the suction pad.

また、本願封入済み郵便物の走行検査装置は、郵便物を所定の方向へ搬送する搬送部材と郵便物表側に作用する表側吸着パッドと裏側に作用する裏側吸着パッドを備え、前記表側吸着パッドが裏側吸着パッドより大きな吸着力を具備して構成し、更に搬送中の郵便物に対して前記両方の吸着パッドが表裏両面から吸着しながら当該郵便物の厚さ方向に離隔しつつ送行させる走行係合機構を備え、更に裏側吸着パッドが吸着を維持できなくなって開放したことを検出する吸着開放センサ−と、前記吸着パッドの走行位置に関連した情報を出力する位置センサ−を備え、前記両方のセンサ−情報に基づいて封筒の接着不良ならびに破損状態を判定するべく構成したことを特徴とする。   Further, the running inspection device for postal matter enclosed in the present application includes a conveying member that conveys the postal matter in a predetermined direction, a front side suction pad that acts on the front side of the mail piece, and a back side suction pad that acts on the back side. A traveling unit that is configured to have a larger suction force than the back side suction pad, and that allows both the suction pads to be sucked from the front and back sides of the mail piece being transported while being separated in the thickness direction of the mail piece. A suction release sensor for detecting that the back side suction pad can no longer maintain suction and opening, and a position sensor for outputting information related to the travel position of the suction pad. It is characterized in that it is configured to determine an adhesion failure and a broken state of the envelope based on the sensor information.

また、2軸が同期して同方向に回転する軸端のそれぞれに回転アームを固定し、該回転アームの固定端から所定寸法離隔した他端に前記軸と並行に延在する回転軸フランジを備え、それら回転軸フランジ間に連結板を架設して前記2軸の回動に従って当該連結板の任意の点が円軌道を描くべく構成し、さらに前記連結板に吸着パッドを取付けるパッド取付部材を備えて走行係合機構を具備した封入済み郵便物の走行検査装置を提供する。   In addition, a rotating arm is fixed to each of shaft ends that rotate in the same direction in synchronization with the two shafts, and a rotating shaft flange that extends in parallel with the shaft is provided at the other end separated by a predetermined dimension from the fixed end of the rotating arm. A connecting plate is installed between the rotating shaft flanges, and an arbitrary point of the connecting plate is configured to draw a circular path according to the rotation of the two axes, and a pad mounting member for attaching the suction pad to the connecting plate is provided. Provided is a running inspection device for encapsulated mail pieces that includes a running engagement mechanism.

更に、封筒面に対して所定の位置に配置された吸着パッドと干渉しない位置に郵便物を搬送する搬送部材を設け、更に前記吸着パッドが表裏両面から吸着作用しながら当該郵便物の厚さ方向に離隔しつつ送行する区間について、吸着パッドの離隔動作に関連して当該搬送部材も郵便物から離隔する動きをさせる搬送部材退避機構を具備して構成した封入済み郵便物の走行検査装置を提供する。   Furthermore, a transport member for transporting the mail piece is provided at a position that does not interfere with the suction pad arranged at a predetermined position with respect to the envelope surface, and further, the thickness direction of the postal matter while the suction pad performs suction action from both the front and back surfaces Provided with a postal-packed mail inspection device that includes a transporting member retracting mechanism that moves the transporting member away from the postal matter in relation to the separation operation of the suction pad for the section that is transported while being separated To do.

開示した本発明によれば、封筒のフラップ部,カマス部ならびに封筒側縁部の任意箇所に吸着パッドを配置することで、各所の良否を判別することができる。
即ち、搬送中の郵便物に対して両方の吸着パッドが表裏両面から吸着して当該郵便物の厚さ方向に離隔しつつ走行させる方式であるため、前記裏側吸着パッドが吸着を維持できなくなって開放する地点に相違を見出すことができる。
正常品なら早期開放し、不良品なら遅れが生じる訳である。また、材質の異なる場合でも斯様な差異は維持され、その開放タイミングを比較して良否判定する合理的な工法であるため非常に安定した判定が可能である。
According to the disclosed invention, it is possible to determine the quality of each place by arranging the suction pads at arbitrary locations on the flap portion, the barracuda portion and the envelope side edge portion of the envelope.
In other words, since both suction pads are attracted from both front and back sides of the mail piece being conveyed and run while being separated in the thickness direction of the mail piece, the back side suction pad cannot maintain the suction. Differences can be found at the opening points.
If it is a normal product, it will be opened early, and if it is a defective product, a delay will occur. In addition, even when the materials are different, such a difference is maintained, and since it is a rational method for judging the quality by comparing the opening timing, a very stable judgment can be made.

また、搬送中の郵便物に対しその流れに同期して両方の吸着パッドを係合せしめる送行係合機構を具備した装置、ならびに搬送部材をより好ましく作動させる搬送部材退避機構を具備した装置、これら装置はいずれも検査の高速処理を実現するに非常に有効であり、個人情報保護の観点からも貢献すること確実である。   Also, an apparatus having a feeding engagement mechanism that engages both suction pads in synchronization with the flow of mail being conveyed, and an apparatus having a conveying member retracting mechanism that operates the conveying member more preferably. All of these devices are very effective in realizing high-speed inspection processing, and are sure to contribute from the viewpoint of personal information protection.

先ず、本発明が良否判定せんとする検査項目について説明する。
図14に図示した封筒1は最もポピュラ−な貼り形式のもので、斯様に糊付けされた側の面を封筒1裏面と称す。
また、図15に於いて、1Aはフラップ部、1Bはカマス部、1Cは側縁部を指し、1Dは封入された封入物を指す。
また図16に不良のひとつである腹割れ1Eを例示している。
封筒へ封入物を挿入する際に何らかの異常があって側縁部1Cを破損乃至劣化した場合に発生する。
また、図17はカマス部1Bの接着不良、図18はフラップ部1Aの接着不良を例示し、わかり易いように口が開いた状態を図示している。
しかし、実際はあたかも接着されているように見えてしまい、目視検査で見逃すことが多い。
勿論、簡単に剥がれる程度にしか接着されていない不完全接着品も不良品扱いすべきである。
First, the inspection items that the present invention determines whether to pass or fail will be described.
The envelope 1 shown in FIG. 14 is the most popular pasting type, and the surface on the side glued in this way is referred to as the back surface of the envelope 1.
In FIG. 15, 1A indicates a flap portion, 1B indicates a barracuda portion, 1C indicates a side edge portion, and 1D indicates a sealed enclosure.
Further, FIG. 16 illustrates a stomach crack 1E which is one of the defects.
Occurs when there is some abnormality in inserting the inclusion into the envelope and the side edge 1C is damaged or deteriorated.
FIG. 17 illustrates the poor adhesion of the barracuda 1B, and FIG. 18 illustrates the poor adhesion of the flap 1A, and illustrates a state where the mouth is open for easy understanding.
However, in reality, it looks as if it is adhered, and is often missed by visual inspection.
Of course, incompletely bonded products that are only bonded to such an extent that they can be easily peeled off should be treated as defective products.

以下、好ましい実施例について、図1乃至図3に基づいて説明する。
図1は側面説明図、図2はその正面説明図、図3は平面説明図である。
図中、1は封筒を指し、本例の場合、図4に例示した通り封筒1の窓部1Gを上にし、裏面(フラップ部等の封筒接着部は点線図示)を下にして搬送しながら検査を実施する。 具体的には、封筒1を搬入ベルト7A,搬送ベルト7Bならびに搬出ベルト7Cによって矢示方向に次々と搬送する。
A preferred embodiment will be described below with reference to FIGS.
1 is a side view, FIG. 2 is a front view, and FIG. 3 is a plan view.
In the figure, 1 indicates an envelope, and in the case of this example, as shown in FIG. 4, the window 1G of the envelope 1 is faced up, while the back surface (the envelope bonding part such as the flap part is illustrated with a dotted line) is being transported. Conduct an inspection. Specifically, the envelope 1 is successively conveyed in the direction of the arrow by the carry-in belt 7A, the carry belt 7B, and the carry-out belt 7C.

そして、図1ならびに図2に図示したとおり搬送ベルト7B上にある封筒1に対して封筒表面側と裏面側に設けた吸着パッド2A,2Bが作用する。
ここで注目すべきは、封筒1の表面側吸着パッド2Bが裏面側吸着パッド2Aより大きいことであり、その吸着面面積の違いによって吸着力に明確な差異を設けている。
尚、同じパッドを使用し負圧力に明確な違いを設定して差異を確保することもある。
いずれの手段を採用するにしても、これらパッドはパッドホルダー3に保持され、吸着ホルダ−板16に配置されるのが好ましい。
例えば、図4に例示した通り、封筒1に対して裏側吸着パッド2Aの配置を検査項目に関連してフラップ部ならびにカマス部に相当するよう配置する。
As shown in FIGS. 1 and 2, suction pads 2 </ b> A and 2 </ b> B provided on the front and back sides of the envelope act on the envelope 1 on the conveying belt 7 </ b> B.
What should be noted here is that the front-side suction pad 2B of the envelope 1 is larger than the back-side suction pad 2A, and a clear difference is provided in the suction force due to the difference in the suction surface area.
Note that the same pad may be used to set a clear difference in negative pressure to ensure the difference.
Whichever means is adopted, these pads are preferably held by the pad holder 3 and arranged on the suction holder-plate 16.
For example, as illustrated in FIG. 4, the back side suction pad 2 </ b> A is disposed on the envelope 1 so as to correspond to the flap portion and the barracuda portion in relation to the inspection item.

一方、封筒表面に吸着する表面側吸着パッド2Bは、同様にパッドホルダー3を介して吸着ホルダ−板16に配置される。
この表面吸着パッド2Bは裏面側吸着パッド2Bと必ずしも正確に1対1で対峙して配置する必要はない。
裏面側吸着パッド2Aの吸着力に対抗できるに充分な吸着力を具備していればよく、必要なら数や配置場所を違えてもいいし、形状大きさについても適宜設計する。
On the other hand, the front-side suction pad 2 </ b> B that sucks onto the envelope surface is similarly disposed on the suction holder-plate 16 via the pad holder 3.
The front surface suction pad 2B does not necessarily have to be disposed to face the back surface side suction pad 2B exactly one to one.
It is sufficient if the suction force is sufficient to counteract the suction force of the back surface side suction pad 2A. If necessary, the number and the arrangement location may be different, and the size of the shape is appropriately designed.

次に走行しながら検査するための好ましい実施例機構について、図2ならびに図3に基づいて説明する。
図中、10は両側に配置したフレ−ムであり、その外側にそれぞれ補助フレ−ム11を設けて筐体が構成されている。
そして、軸受12を介して機構駆動軸4A,4Bを備え、図示は略したが、2軸が同期して同方向に回転するよう周知の駆動源に接続される。
前記機構駆動軸4A,4Bは、その軸端のそれぞれに回転アーム13を固定、更に該回転アーム13の固定端から所定寸法離隔した他端に前記軸4A,4Bと並行に延在する回転軸フランジ14を備えている。
また、前記回転軸フランジ14間に連結板15を架設して機構駆動軸4A,4Bの回動に従って当該連結板15の任意の点が円軌道を描くべく構成される。
更に、前記連結板15に吸着パッドを取付けるパッドホルダ−3を配置して表側走行係合機構4が構成されている。
尚、裏面側吸着パッドを配備する裏側走行係合機構5については、機構駆動軸5A,5Bを入力軸とし、前期表側機構4と同様にして構成されていることは図2から明らかである。
A preferred embodiment mechanism for inspecting while running will now be described with reference to FIGS.
In the figure, reference numeral 10 denotes frames arranged on both sides, and an auxiliary frame 11 is provided on the outside thereof to constitute a housing.
The mechanism drive shafts 4A and 4B are provided via a bearing 12, and although not shown, the two shafts are connected to a known drive source so as to rotate in the same direction in synchronization.
The mechanism drive shafts 4A and 4B have a rotation arm 13 fixed to each of the shaft ends thereof, and a rotation shaft extending in parallel with the shafts 4A and 4B to the other end separated from the fixed end of the rotation arm 13 by a predetermined dimension. A flange 14 is provided.
Further, a connecting plate 15 is installed between the rotary shaft flanges 14, and any point of the connecting plate 15 is configured to draw a circular orbit according to the rotation of the mechanism drive shafts 4A and 4B.
Further, the front side travel engagement mechanism 4 is configured by arranging a pad holder-3 for attaching the suction pad to the connecting plate 15.
It is apparent from FIG. 2 that the back side running engagement mechanism 5 provided with the back side suction pad is configured in the same manner as the front side mechanism 4 with the mechanism drive shafts 5A and 5B as input shafts.

次に図1ならびに図5乃至図9に基づいて装置の動的作用について説明する。
図1の状態、即ち封筒1の表裏両面に吸着パッド2A,2Bが最も近接した位置にある状態、この状態を原位置とし、図5は20°、図6は40°、図7は60°、図8は120°、図9は300°進行した位置での状態を図示している。
前記した角度は、機構駆動軸4A,4Bならびに5A,5Bの回転角度であって、矢示方向に1回転(360°)して、図1の原位置に至る。
そして、この1サイクルで到来する封筒1の検査を繰り返しながら進行する。
Next, the dynamic action of the apparatus will be described with reference to FIG. 1 and FIGS.
The state of FIG. 1, that is, the state where the suction pads 2A and 2B are closest to the front and back surfaces of the envelope 1, this state is the original position, FIG. 5 is 20 °, FIG. 6 is 40 °, and FIG. 8 shows a state at a position advanced by 120 °, and FIG. 9 shows a position at a position advanced by 300 °.
The above-mentioned angle is the rotation angle of the mechanism drive shafts 4A and 4B and 5A and 5B, and makes one rotation (360 °) in the direction of the arrow to reach the original position in FIG.
And it progresses, repeating the test | inspection of the envelope 1 which arrives in this 1 cycle.

また、図示した封筒1の位置変化に注目すれば、上記した検査1サイクル毎に次の封筒がタイミングよく到来するように構成されているのが理解できる。
即ち、機構駆動軸4A,4Bならびに5A,5Bの回転と搬送用ベルト7A,7B,7Cとをメカ的に関連づけられ、吸着パッドが走行しながら作用するに封筒1の走行を阻害しない程度に同期させる構成になっている。
更に、搬入ベルト7Aの上流側搬送系に言及するなら、フィンガ−チェ−ンによる搬送手段の如く、確実に一定間隔を維持した状態で搬入コンベア7Aに接続されるのが望ましい。
If attention is paid to the position change of the envelope 1 shown in the figure, it can be understood that the next envelope arrives with good timing for each cycle of the inspection described above.
In other words, the rotation of the mechanism drive shafts 4A, 4B and 5A, 5B and the conveyor belts 7A, 7B, 7C are mechanically related to each other so that the suction pad does not obstruct the travel of the envelope 1 while it operates while traveling. It has a configuration to let you.
Further, when referring to the upstream side conveyance system of the carry-in belt 7A, it is desirable that it is connected to the carry-in conveyor 7A in a state in which a constant interval is maintained as in the case of a conveyance means using a finger chain.

より具体的に言及するなら、例えば、本願出願人による郵便物の送込み装置(特願2005−17209号),郵便物処理装置(特願2005−18824号),郵便物の処理運用システム(特願2005−24147号),郵便物の送込み装置(特願2005−33461号)ならびに大型郵便物の小型区分装置(特願2005−69936号)で開示された技術との組み合わせて構成すれば、チェ−ンコンベアの一定間隔で搬送され、必要に応じてその他の処理とともに一連工程で本願封筒検査を行うことが可能である。   More specifically, for example, a mail sending device (Japanese Patent Application No. 2005-17209), a mail processing device (Japanese Patent Application No. 2005-18824), a mail processing and operation system (Japanese Patent No. 2005-24147), a mail delivery device (Japanese Patent Application No. 2005-33461), and a small mail sorting device (Japanese Patent Application No. 2005-69936). It is conveyed at regular intervals on the chain conveyor, and it is possible to perform the present envelope inspection in a series of steps together with other processes as necessary.

さて、封筒1の良・不良判定について図10乃至図13に基づいて詳記する。
図10はフラップ部1Aに接着不良があった場合、図11は正常品の場合を例示している。
図中、αは前記した1サイクル中の角度であり、本図では40°の時点を部分的に拡大して図示している。
そして、双方の図面を比較すれば明らかなように、封筒1が正常に接着されていれば、40°に至る以前の段階で裏面側パッド2Aが封筒1から外れてしまうものの、接着不良品の場合は図10の如くフラップ部1Aが裏面吸着パッド2Aに付いて行ってしまうことが理解できる。
即ち、この外れタイミングの違いをして良・不良を判定する。
Now, whether the envelope 1 is good or bad will be described in detail with reference to FIGS.
FIG. 10 illustrates the case where there is an adhesion failure in the flap portion 1A, and FIG. 11 illustrates the case of a normal product.
In the figure, α is an angle in one cycle described above, and in this figure, the time point of 40 ° is partially enlarged.
As is clear from comparison between the drawings, if the envelope 1 is normally bonded, the back-side pad 2A is detached from the envelope 1 before reaching 40 °. In this case, it can be understood that the flap portion 1A is attached to the back surface suction pad 2A as shown in FIG.
That is, good / bad is determined based on the difference in deviation timing.

図13にタイミングチャ−トを、図12にモデル化した配管図を例示したが、図13のチャ−ト横軸0乃至360°を1サイクルとして表示している。
そして、この角度位置は図2に例示した機構駆動軸5A,5Bに関連して備えたパルス発信機18をして検出される。
また、負圧源20から吸着パッド2A,2Bに至る適宜な位置にメカバルブ21を介在させ、メカバルブ開閉タイミング図の如く、原位置である0°の近傍のみ負圧源20に対して開状態、即ち吸着可能状態にできるように構成されている。
言い換えると、図2で図示した原位置に至る幾分手前の位置から吸着可能状態にし、図6で図示した40°乃至図7で図示した60°の位置辺りまでその状態を維持し、その余の区間は吸着不可になるように構成されている。
尚、前記メカバルブ21は、必要に応じて、閉動作をすると同時に下流側配管内を大気開放する真空破壊機能を持たせる。
FIG. 13 illustrates the timing chart and the piping diagram modeled in FIG. 12, but the chart horizontal axis 0 to 360 ° in FIG. 13 is displayed as one cycle.
The angular position is detected by the pulse transmitter 18 provided in association with the mechanism drive shafts 5A and 5B illustrated in FIG.
Further, a mechanical valve 21 is interposed at an appropriate position from the negative pressure source 20 to the suction pads 2A and 2B, and as shown in the mechanical valve opening / closing timing diagram, only the vicinity of 0 ° which is the original position is open with respect to the negative pressure source 20. That is, it is configured so as to be in an adsorbable state.
In other words, the suction is possible from the position slightly before the original position shown in FIG. 2, and the state is maintained from the position 40 ° shown in FIG. 6 to the position 60 ° shown in FIG. This section is configured to be non-adsorbable.
The mechanical valve 21 is provided with a vacuum breaking function that closes the downstream pipe and releases the air to the atmosphere as needed.

また、図中、22は裏面側吸着パッド2Aの近傍に備えた圧力センサ−を指している。 該センサ−は、先ずメカバルブ21が開になった時点で幾分かの負圧を検出し、封筒を吸着した時点で負圧力が一挙に高まり、次いで吸着状態から裏面側吸着パッドが外れた時に大きく低下し、更にメカバルブ21が閉あるいは同時に真空破壊された時点で大気圧に至る。
こうしたパッド内あるいはその近傍の圧力変化のなかから常道に従って吸着パッド2Aが吸着解放した時点を特定し、その時点のパッド位置βをして位置情報を得る。
尚、上記したような圧力センサ−は、流量変化を計測する流量センサ−、あるいは図示は略したが接触式の機械式センサ−、非接触の光センサ−等のセンサ−に代えることもできる。
また必要ならいくつかのセンサ−を併設して裏面側吸着パッド2Aが封筒1から外れた時点を検出する。
In the figure, reference numeral 22 denotes a pressure sensor provided in the vicinity of the back surface side suction pad 2A. The sensor first detects some negative pressure when the mechanical valve 21 is opened, and when the envelope is sucked, the negative pressure increases at once, and then when the back side suction pad is removed from the suction state. When the mechanical valve 21 is closed or at the same time the vacuum is broken, the atmospheric pressure is reached.
The time point at which the suction pad 2A is sucked and released according to the normal path is identified from the pressure change in or near the pad, and the position information is obtained by calculating the pad position β at that time.
The pressure sensor as described above can be replaced with a flow rate sensor for measuring a change in flow rate, or a sensor such as a contact type mechanical sensor or a non-contact optical sensor (not shown).
If necessary, several sensors are provided to detect when the back surface side suction pad 2A is detached from the envelope 1.

いずれにしても、正常封筒は早い段階で、異常があれば遅れるという明確な差異があって極めて安定的に判別できる。
また、運用実務は検査せんとする郵便物のうち、不良品に近い限界的な正常品をしてティ−ティングし、それより早い段階で裏面側吸着パッド2Aが外れた場合はOK、遅い場合はNGとする。
勿論、正常品と不良品の両者をして適正しきい値を自動設定する場合もある。
更に、エラ−アンドトライ方式で、最初は不良判定が出易いように設定しておき、その都度、判定基準を修正していく方法も実務的な運用方法である。
In any case, normal envelopes can be distinguished very stably at an early stage with a clear difference in that there is a delay if there is an abnormality.
In addition, of the postal items to be inspected for operation, the limit normal products that are close to defective products are used for teaching, and if the back side suction pad 2A comes off earlier, it is OK. Is NG.
Of course, an appropriate threshold value may be automatically set for both normal and defective products.
Furthermore, a method of setting an error and trie method so that defect determination is easy to occur at first, and correcting the determination standard each time is also a practical operation method.

次に、図13に記載した搬送ベルト7Bの上下動チャ−ト図に基づいて、搬送部材退避機構の好ましい実施例について説明する。
図1で例示した本願実施例装置は、プ−リ−間に張架された搬入ベルト7A、搬送ベルト7Bならびに搬出ベルト7Cで搬送機構が構成されている。
図中、6はそれらベルトの駆動軸であり、検査区間に位置する前記搬送ベルト7Bは、図2に図示したように吸着パッド2A,2Bと干渉しない位置に配備されている。
そして、この搬送ベルト7Bが、上述した吸着パッド2A,2Bの検査動作に関連して図13図示のタイミングで上下動するように構成されている。
即ち、揺動軸9から延在して設けられた揺動ア−ム17の揺動によって所定のタイミングで搬送ベルト7Bを上下動する。
そしてこの動作によって、上述した吸着パッド2A,2Bに係る検査動作を阻害しないように構成されている。
Next, a preferred embodiment of the conveying member retracting mechanism will be described based on the vertical movement chart of the conveying belt 7B shown in FIG.
In the apparatus of this embodiment illustrated in FIG. 1, a transport mechanism is constituted by a carry-in belt 7A, a carry belt 7B and a carry-out belt 7C which are stretched between pulleys.
In the figure, 6 is a drive shaft for these belts, and the conveyor belt 7B located in the inspection section is arranged at a position where it does not interfere with the suction pads 2A and 2B as shown in FIG.
The conveyor belt 7B is configured to move up and down at the timing shown in FIG. 13 in relation to the inspection operation of the suction pads 2A and 2B described above.
That is, the conveyor belt 7B is moved up and down at a predetermined timing by the swing of the swing arm 17 provided extending from the swing shaft 9.
And by this operation | movement, it is comprised so that the test | inspection operation | movement which concerns on the suction pads 2A and 2B mentioned above may not be inhibited.

また、図1ならびに図5乃至図9は検査工程を時系列で図示したものであるが、図中、8Aは搬入側押えロ−ル、8Bは搬出側押えロールである。
これら押えロ−ル8A,8Bは封筒1を適度に押えた状態で搬送し、検査区間との境界位置で封筒1が可能な限り無駄な上下動を惹起しないよう付設されている。
即ち、搬送ベルト7Bの搬送部材退避機構により、検査区間内で幾分かの上下動を伴う封筒1に対し、その影響を払拭するため、その上流位置または下流位置、好ましくは図示したように前後の位置で制振しつつ搬送するための構成とする。
1 and 5 to 9 illustrate the inspection process in time series, in which 8A is a carry-in side press roll, and 8B is a carry-out side press roll.
These presser rolls 8A and 8B are transported in a state where the envelope 1 is moderately pressed, and are attached so that the envelope 1 does not cause unnecessary vertical movement as much as possible at the boundary position with the inspection section.
That is, the transport member retracting mechanism of the transport belt 7B wipes the influence of the envelope 1 with some vertical movement in the inspection section, so that its upstream position or downstream position, preferably as shown in FIG. It is set as the structure for conveying while suppressing the vibration in the position.

以上、例示した実施例装置は封筒1の表面を上にして搬送し、その裏面に存在する封筒接着部を下方から検査するものであるが、本発明によれば、必要に応じて表裏逆転して搬送される封筒を対象にする実施例を提供することもできる。
同様に、封筒1の長辺方向を搬送方向とする実施例装置を構成することも可能である。
As described above, the illustrated embodiment apparatus conveys the envelope 1 with the front side facing up, and inspects the envelope adhering portion existing on the back side from below, but according to the present invention, the front and back are reversed as necessary. It is also possible to provide an embodiment that targets envelopes that are transported in this manner.
Similarly, it is also possible to configure an embodiment apparatus in which the long side direction of the envelope 1 is the transport direction.

実施例装置を説明するための説明図である。It is explanatory drawing for demonstrating an Example apparatus. 実施例装置を説明するための説明図である。It is explanatory drawing for demonstrating an Example apparatus. 実施例装置を説明するための説明図である。It is explanatory drawing for demonstrating an Example apparatus. 実施例装置内の封筒姿態とパッド配置を説明するための説明図である。It is explanatory drawing for demonstrating the envelope appearance and pad arrangement | positioning in an Example apparatus. 実施例装置を動作順に説明するための説明図である。It is explanatory drawing for demonstrating an Example apparatus to operation order. 実施例装置を動作順に説明するための説明図である。It is explanatory drawing for demonstrating an Example apparatus to operation order. 実施例装置を動作順に説明するための説明図である。It is explanatory drawing for demonstrating an Example apparatus to operation order. 実施例装置を動作順に説明するための説明図である。It is explanatory drawing for demonstrating an Example apparatus to operation order. 実施例装置を動作順に説明するための説明図である。It is explanatory drawing for demonstrating an Example apparatus to operation order. 検査の判定詳細について説明するための説明図である。It is explanatory drawing for demonstrating the determination details of a test | inspection. 検査の判定詳細について説明するための説明図である。It is explanatory drawing for demonstrating the determination details of a test | inspection. 吸着パッドに関する配管系について詳述するための説明図である。It is explanatory drawing for demonstrating in full detail about the piping system regarding a suction pad. 主要動作に関するタイミングを説明するための説明図である。It is explanatory drawing for demonstrating the timing regarding main operation | movement. 封入済み郵便物の詳細を説明するための説明図である。It is explanatory drawing for demonstrating the detail of enclosed mail. 検査の判定詳細について説明するための説明図である。It is explanatory drawing for demonstrating the determination details of a test | inspection. 検査の判定詳細について説明するための説明図である。It is explanatory drawing for demonstrating the determination details of a test | inspection. 検査の判定詳細について説明するための説明図である。It is explanatory drawing for demonstrating the determination details of a test | inspection. 検査の判定詳細について説明するための説明図である。It is explanatory drawing for demonstrating the determination details of a test | inspection.

符号の説明Explanation of symbols

1・・封筒、1A・・封筒のフラップ部、1B・・封筒のカマス部、1C・・封筒の側縁部、2A・・裏面用吸着パッド、2B・・表面用吸着パッド、3・・パッドホルダ−、4・・表側走行係合機構、4A,4B・・機構駆動軸、5・・裏側走行係合機構、5A,5B・・機構駆動軸、6・・ベルト駆動軸、7A・・搬入ベルト、7B・・搬送ベルト、7C・・搬出ベルト、8A・・搬入側押えロ−ル、8B・・搬出側押えロ−ル、9・・揺動軸、10・・フレ−ム、11・・補助フレ−ム、12・・軸受け、13・・回転アーム、14・・回転軸フランジ、15・・連結板、16・・吸着ホルダ−取付板、17・・揺動アーム、18・・パルス発信機、20・・負圧源、21・・メカバルブ、22・・圧力センサ−。   1 ・ ・ Envelope, 1A ・ ・ Envelope flap part, 1B ・ ・ Combine part of envelope, 1C ・ ・ Side edge of envelope, 2A ・ ・ Suction pad for back side, 2B ・ ・ Suction pad for surface, 3 ・ ・ Pad Holder-4, ... Front side running engagement mechanism, 4A, 4B ... Mechanism drive shaft, 5 ... Back side running engagement mechanism, 5A, 5B ... Mechanism drive shaft, 6 ... Belt drive shaft, 7A ... Belt, 7B ... Transport belt, 7C ... Unloading belt, 8A ... Loading side presser roll, 8B ... Unloading side presser roll, 9 ... Swing shaft, 10 ... Frame, 11 ...・ Auxiliary frame, 12 ・ ・ Bearing, 13 ・ ・ Rotating arm, 14 ・ ・ Rotating shaft flange, 15 ・ ・ Connecting plate, 16 ・ ・ Suction holder-mounting plate, 17 ・ ・ Oscillating arm, 18 ・ ・ Pulse Transmitter, 20 ... Negative pressure source, 21 ... Mechanical valve, 22 ... Pressure sensor.

Claims (4)

郵便物の表側に作用する表側吸着パッドと裏側に作用する裏側吸着パッドを備え、前記表側吸着パッドが裏側吸着パッドより大きな吸着力を具備するようにし、搬送中の郵便物に対して前記両方の吸着パッドが表裏両面から吸着して当該郵便物の厚さ方向に離隔しつつ走行させ、前記裏側吸着パッドが吸着を維持できなくなって開放した吸着開放情報と前記吸着パッドの走行位置情報との関連で接着不良ならびに破損状態を検査することを特徴とする封入済み郵便物の走行検査方法。 A front-side suction pad that acts on the front side of the mail piece and a back-side suction pad that acts on the back side, the front-side suction pad has a larger suction force than the back-side suction pad, The suction pad is sucked from both the front and back sides and traveled while being separated in the thickness direction of the mail piece. The relationship between the suction opening information released when the back side suction pad cannot maintain the suction and the traveling position information of the suction pad. A running inspection method for encapsulated mail items, characterized by inspecting for poor adhesion and breakage. 郵便物を所定の方向へ搬送する搬送部材と郵便物表側に作用する表側吸着パッドと裏側に作用する裏側吸着パッドを備え、前記表側吸着パッドが裏側吸着パッドより大きな吸着力を具備して構成し、更に搬送中の郵便物に対して前記両方の吸着パッドが表裏両面から吸着しながら当該郵便物の厚さ方向に離隔しつつ送行させる走行係合機構を備え、更に裏側吸着パッドが吸着を維持できなくなって開放したことを検出する吸着開放センサーと、前記吸着パッドの走行位置に関連した情報を出力する位置センサーを備え、前記両方のセンサー情報に基づいて封筒の接着不良ならびに破損状態を判定するべく構成したことを特徴とする封入済み郵便物の走行検査装置。 It comprises a conveying member that conveys mail in a predetermined direction, a front side suction pad that acts on the front side of the mail piece, and a back side suction pad that acts on the back side, and the front side suction pad has a larger suction force than the back side suction pad. In addition, it is equipped with a running engagement mechanism that allows both the suction pads to adsorb from both the front and back sides of the mail piece being transported while being separated in the thickness direction of the mail piece, and the back side suction pad maintains the suction. A suction release sensor that detects that the suction pad has been released and a position sensor that outputs information related to the travel position of the suction pad are provided. Based on both sensor information, an adhesion failure or damage state of the envelope is determined. A running inspection apparatus for enclosed mail items, characterized in that it is configured as described above. 2軸が同期して同方向に回転する軸端のそれぞれに回転アームを固定し、該回転アームの固定端から所定寸法離隔した他端に前記軸と並行に延在する回転軸フランジを備え、それら回転軸フランジ間に連結板を架設して前記2軸の回動に従って当該連結板の任意の点が円軌道を描くべく構成し、さらに前記連結板に吸着パッドを取付けるパッド取付部材を備えて走行係合機構を構成したことを特徴とする請求項2に記載した封入済み郵便物の走行検査装置。 A rotary arm is fixed to each of the shaft ends that rotate in the same direction in synchronization with the two shafts, and a rotary shaft flange that extends in parallel with the shaft is provided at the other end separated by a predetermined dimension from the fixed end of the rotary arm, A connecting plate is installed between the rotary shaft flanges, and any point of the connecting plate is configured to draw a circular orbit according to the rotation of the two axes, and a pad mounting member for attaching a suction pad to the connecting plate is provided. The running inspection device for enclosed mail items according to claim 2, wherein a running engagement mechanism is configured. 封筒面に対して所定の位置に配置された吸着パッドと干渉しない位置に郵便物を搬送する搬送部材を設け、更に前記吸着パッドが表裏両面から吸着作用しながら当該郵便物の厚さ方向に離隔しつつ送行する区間について、吸着パッドの離隔動作に関連して当該搬送部材も郵便物から離隔する動きをさせる搬送部材退避機構を具備して構成したことを特徴とする請求項2または3に記載した封入済み郵便物の走行検査装置。
A conveying member for conveying mail pieces is provided at a position that does not interfere with the suction pads arranged at predetermined positions with respect to the envelope surface, and further, the suction pads are separated from each other in the thickness direction while adsorbing from both the front and back surfaces. 4. The section for feeding while comprising a conveying member retracting mechanism for causing the conveying member to move away from the mail in association with the separation operation of the suction pad. A running inspection device for sealed postal items.
JP2005318698A 2005-11-01 2005-11-01 Running inspection method for sealed mail and inspection device using the method Expired - Fee Related JP4719552B2 (en)

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