JP2003329650A - Electrode for detection device for hermetically sealed packed, object - Google Patents
Electrode for detection device for hermetically sealed packed, objectInfo
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- JP2003329650A JP2003329650A JP2002139632A JP2002139632A JP2003329650A JP 2003329650 A JP2003329650 A JP 2003329650A JP 2002139632 A JP2002139632 A JP 2002139632A JP 2002139632 A JP2002139632 A JP 2002139632A JP 2003329650 A JP2003329650 A JP 2003329650A
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- Prior art keywords
- electrode
- sealed package
- electrodes
- contact
- inspection
- Prior art date
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、薬液や食品其の
他導電性を有する内容物を合成樹脂等の電気絶縁性被膜
で被包した密封包装物の被膜のピンホールの有無を検査
するためのピンホール検査装置に使用する電極に関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is for inspecting the presence or absence of pinholes in a film of a hermetically sealed package in which a chemical liquid, food or other electrically conductive contents are covered with an electrically insulating film such as a synthetic resin. The present invention relates to an electrode used in the pinhole inspection device of.
【０００２】[0002]
【従来の技術】従来、ピンホールの検査装置において、
被検体である密封包装物の被膜に接触せしむべき電極
は、通常、復元性を有する金属線、例えば燐青銅合金製
のより線からなる細い径の接触素子を広巾に直線状に束
ねたブラシ状電極がコンベヤで搬送される平坦状密封包
装物などに多用されている。2. Description of the Related Art Conventionally, in a pinhole inspection device,
The electrode to be brought into contact with the film of the hermetically sealed package which is the object to be inspected is usually a brush in which a narrow-diameter contact element made of a metal wire having resilience, for example, a stranded wire made of phosphor bronze alloy is bundled in a wide straight line. Shaped electrodes are often used in flat sealed packages that are conveyed by conveyors.
【０００３】一方、用途に対応して、断面円形の棒状密
封包装物（例えばソーセージ類）の被膜のピンホール検
査には、被検物の通過する穴を中央に設けた環状保持板
に接触素子を外周から囲繞するように密生固着した単一
段の環状電極を使用するものがある。On the other hand, depending on the application, in the pinhole inspection of the coating of a rod-shaped hermetically sealed package (for example, sausages) having a circular cross section, a contact element is provided on an annular holding plate having a hole through which the object to be tested is provided in the center. There is one that uses a single-stage annular electrode that is densely adhered so as to surround the outer periphery.
【０００４】また、上記棒状密封包装物を検査するため
の単一段の環状電極では、該密封包装物の内容物を充填
緊縛した前後端部と胴体部に共用する場合、胴体部に接
触する接触素子が被検体の外表面上でＶ字状に毛割れし
たりして、該毛割れ部分が接触できないことがあったの
を改良するべく、棒状密封包装物の搬送進行の下流側か
ら上流側に向い順次長い長さから短い長さの異った長さ
の複数段の接触素子を用いたものが例えば実用新案登録
第３０４４４４８号により提案されている。Further, in the single-stage annular electrode for inspecting the above-mentioned rod-shaped hermetically sealed package, when the contents of the hermetically sealed package are shared by the front and rear end portions and the body section which are tightly bound, the contact with the body section is made. In order to improve the possibility that the element may be broken into V-shapes on the outer surface of the subject and the broken portions may not be in contact with each other, from the downstream side to the upstream side of the conveyance progress of the rod-shaped sealed package. For example, a utility model registration No. 3044448 proposes a device using a plurality of stages of contact elements having different lengths from a sequentially long length to a short length.
【０００５】[0005]
【発明が解決しようとする課題】平坦状密封包装物で
も、搬送される被検体上面が円弧状に膨んでいる場合
（上下両面が円弧状に膨んでいる場合を含む）や上面が
カマボコ状に膨んでいる場合は、前記接触素子を広巾に
直線状に束ねたブラシ状電極では毛割れ発生は防止でき
ず検査不良の原因となる。また、棒状密封包装物を検査
するための単一段の環状電極では同じく毛割れ発生のた
め検査不良を起す問題がある。さらに、前記多段のブラ
シ状電極は毛割れを防止して接触素子の接触不良を解消
することができるが多段のため構造の複雑さは避けられ
ない。Even in a flat sealed package, when the upper surface of the conveyed object is bulged in an arc shape (including the case where both upper and lower surfaces are bulged in an arc shape), the upper surface is rugged. If the contact elements are swollen, the brush-like electrode in which the contact elements are linearly bundled in a wide width cannot prevent the occurrence of bristle cracking, which causes defective inspection. Further, a single-stage annular electrode for inspecting a rod-shaped hermetically sealed product also has a problem of causing defective inspection due to the occurrence of hair cracks. Further, the multi-stage brush-like electrode can prevent bristle breakage and eliminate contact failure of the contact element, but the multi-stage structure inevitably complicates the structure.
【０００６】本発明は上記の点に鑑みてなされたもので
あって、従来の接触素子が復元性を有して何れの方向に
も曲げることができるため毛割れを生じることがあった
が、これを一方向の前後方向にのみ曲がることができる
が横方向に曲がらないものにして、極めて簡単な構造で
断面円形などの棒状密封包装物のみならず、円弧状の突
出部を有するカマボコ状の包装物や、レトルト食品包装
物などの偏平状包装物に円弧状凸部があってもＶ字状の
毛割れを防止して接触効率良く効果的に使用することの
できる密封包装物の検査装置用電極を提供することを目
的としている。The present invention has been made in view of the above points, and the conventional contact element has resilience and can be bent in any direction, so hair cracks may occur. This can be bent only in one front-back direction, but not in the lateral direction, so that it is not only a bar-shaped sealed package having a circular cross section with an extremely simple structure, but also a semi-cylindrical shape with an arc-shaped protrusion. Sealed package inspection device that can prevent V-shaped hair cracking and can be used efficiently with good contact even if the package or flat package such as retort food package has an arcuate convex portion It is intended to provide an electrode for use.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するため
に、本発明の密封包装物の検査装置用電極では、薬液や
食品其の他各種の導電性を有する内容物を電気絶縁性被
膜で被包した密封包装物をコンベヤ上で搬送中、前記密
封包装物の内容物が存する部分において離間状態でそれ
ぞれ電極を同時に密封包装物に接触させつつ高電圧によ
る電位差により両電極が接触している部分に電流変化が
起っているか否かを検知して密封包装物のピンホールを
検出するようにした検査装置に使用される密封包装物の
検査用電極として、微小肉厚ｔ、細巾ｂの矩形断面を有
する所定長のアモルファス合金製の接触素子２を、微小
間隙ｇをおいて細巾方向に単列状態で導電性ホルダ１に
刷子状に配列固着せしめた構成としている。In order to achieve the above-mentioned object, in the electrode for the inspection device of the hermetically sealed package of the present invention, a chemical liquid, food or other various conductive contents are coated with an electrically insulating coating. While the encapsulated sealed package is being conveyed on the conveyor, both electrodes are in contact with each other due to the potential difference due to the high voltage while the electrodes are simultaneously in contact with the sealed package in the space where the contents of the sealed package are present. As an inspection electrode for a hermetically sealed package used in an inspection device that detects pinholes in the hermetically sealed package by detecting whether or not a current change has occurred in a portion, a small thickness t and a narrow width b. The contact elements 2 made of an amorphous alloy and having a rectangular cross section of a predetermined length are fixed to the conductive holder 1 in a brush-like array in a single row in the narrow width direction with a minute gap g.
【０００８】これにより、各接触素子２は、細巾ｂの面
に直角方向には容易に曲げられても、肉厚ｔの方向には
曲げるのは至難であるため、之を微小間隙ｇをおいて細
巾方向に単列状態で導電性ホルダ１に刷子状に配列固着
した本検査装置用電極は、検査に当り例えば内容物４を
電気絶縁性被膜５で被包した円形断面の棒状被検物６
（図４参照）に押つけ接触せしめた場合には、従来の微
小径の接触素子の場合はＶ字状に毛割れして接触不良を
起すことがあったが〔図４（Ｃ）参照〕、本発明に使用
する各接触素子は細巾ｂの面に直角方向にしか曲がらな
いため、横方向にばらけずＶ字状の毛割れを起すことが
なく接触不良を起すことがない〔図４（Ａ）、（Ｂ）参
照）〕。As a result, each contact element 2 can be easily bent in the direction perpendicular to the surface of the narrow width b, but it is very difficult to bend in the direction of the wall thickness t. The electrodes for the present inspection device, which are arranged and fixed in a brush shape on the conductive holder 1 in a single row in the narrow direction, for example, have a rod-shaped cover with a circular cross section in which the contents 4 are covered with an electrically insulating coating 5 for inspection. Inspection 6
When the contact element is pressed against (see FIG. 4), the contact element may be broken in a V-shape in the case of the conventional contact element having a small diameter, resulting in contact failure [see FIG. 4 (C)]. Since each contact element used in the present invention bends only in the direction perpendicular to the surface of the narrow width b, the contact element does not disperse in the lateral direction, does not cause V-shaped hair cracking, and does not cause poor contact [FIG. (See (A) and (B))].
【０００９】また接触素子２の材料としてアモルファス
合金を使用しているため、その高剛性から復元性を有
し、耐久力のある良好な刷子状電極を形成することがで
きる。なお、単列状態の導電性ホルダ１への配列固着は
基本構成を示すもので、単列状態を重ねた２列・３列状
態でも勿論可能である。Further, since an amorphous alloy is used as the material of the contact element 2, it is possible to form a good brush-like electrode having resilience and durability due to its high rigidity. Note that the array fixing to the conductive holder 1 in the single row state shows the basic configuration, and it is of course possible in the two-row or three-row state in which the single-row states are overlapped.
【００１０】また、接触素子の微小肉厚ｔは20μ〜30
μ、細巾ｂは0.5m/m〜1m/mとすることにより、刷子状電
極として実用上被検体に馴染み易い電極を容易に形成す
ることができる。Further, the small thickness t of the contact element is 20 μ-30
By setting μ and the width b to be 0.5 m / m to 1 m / m, it is possible to easily form a brush-like electrode which is practically easy to fit to the subject.
【００１１】また、円形断面など（方形断面、多角形断
面を含む）の棒状密封包装物の検査用には、該密封包装
物の通過する穴31を中央に設けた環状保持板３の前後両
面に、それぞれ前記請求項１乃至２記載の電極を一対づ
つ該電極の刷子状の接触素子２を前記穴31の中心軸に於
て相互に接触乃至近接可能に、且つ中心軸方向に移動設
定可能として、前記前後両面の各一対の電極の移動方向
を直交せしめてそれぞれの導電性ホルダ1 、1 を環状保
持板３に取付けた構成のものを用いることができる。こ
の各対の電極の移動方向は、全周各を６等分や８等分に
したものを用いることができる。Further, such as a circular cross-section in the inspection of the rod-like sealing package of (rectangular cross-section, including a polygonal cross-section), front and rear annular holding plate 3 hole 3 1 is provided at the center to pass the said sealing package movement on both sides, the claims 1 to contact each other or close capable at a electrodes 2, wherein the brush-shaped contact element 2 of the pair at a time the electrodes the hole 3 1 of the central axis, respectively, and the central axis As the setting, it is possible to use a configuration in which the moving directions of the pair of electrodes on the front and rear surfaces are made orthogonal to each other and the respective conductive holders 1, 1 are attached to the annular holding plate 3. As for the moving direction of the electrodes of each pair, it is possible to use one in which the entire circumference is divided into 6 equal parts or 8 equal parts.
【００１２】[0012]
【発明の実施の形態】本発明の好ましい実施の形態を添
付の図面に基づいて説明する。図１は検査装置用電極の
一例で、棒状被検物検査用部分電極を示す説明図であっ
て、図（Ａ）は正面図、図（Ｂ）は側面図、図（Ｃ）は
接触素子２の導電性ホルダー１への配列固着状態を示す
図（Ａ）の下面部分拡大図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described with reference to the accompanying drawings. FIG. 1 is an example of an electrode for an inspection device, and is an explanatory view showing a partial electrode for inspecting a rod-shaped object, where FIG. 1A is a front view, FIG. 1B is a side view, and FIG. 1C is a contact element. 2 is an enlarged view of a lower surface of FIG. 2 (A) showing a state in which the second array holder is fixed to the conductive holder 1;
【００１３】図１に於て、２はアモルファス合金製の接
触素子で、微小肉厚ｔ（例えば２５μ）、細巾ｂ（例え
ば0.8m/m）のもので、微小間隙ｇ（例えば0.13m/m ）
で、ホルダ１を形成する例えば厚さ1m/mのアルミ板を折
曲げた間に配列してプレス加工により固着して取付用の
長孔1aを該ホルダ１の左右に設けて部分電極を形成して
いる。In FIG. 1, reference numeral 2 denotes a contact element made of an amorphous alloy, which has a minute wall thickness t (for example, 25 μ) and a narrow width b (for example, 0.8 m / m), and a minute gap g (for example, 0.13 m / m). m)
Then, the holder 1 is formed, for example, by arranging it while bending an aluminum plate having a thickness of 1 m / m, and fixing it by press working, and providing long holes 1a for attachment on the left and right sides of the holder 1 to form a partial electrode. is doing.
【００１４】図１に示す部分電極は、図２に示す所定厚
（例えば４m/m 厚）の矩形の環状保持板３の前後両面
に、ホルダ１に穿設した一対の長孔1a、1aにより、被検
体の棒状密封包装物に対応して取付けられる。環状保持
板３にはその所定位置（中央より稍矩形短辺側によった
位置）に、棒状密封包装物が通過するための所定寸法の
正方形の穴31が穿設されている。The partial electrode shown in FIG. 1 has a pair of long holes 1a, 1a formed in the holder 1 on both front and rear surfaces of a rectangular annular holding plate 3 having a predetermined thickness (for example, 4 m / m thickness) shown in FIG. , It is attached corresponding to the rod-shaped hermetically sealed package of the subject. Its position in the annular holding plate 3 (position by the稍矩shaped short side from the center), the hole 3 1 of the square of a given size for the rod-like sealing package passes is drilled.
【００１５】前記部分電極の取付けは、該部分電極の接
触素子２の切揃えた直線状の端縁が、環状保持板３の孔
31の中心軸に於て相互に接触乃至近接可能に、一対の部
分電極を長孔1aにより中心軸方向に適宜移動設定する。
そして、環状保持板３の両面に、各一対の部分電極の移
動方向を直交せしめて、それぞれ各一対の部分電極を対
向状態で各長孔1aを通しビスで固着して棒状密封包装物
の検査用電極E1を形成することができる。When mounting the partial electrodes, the cut-out straight edges of the contact elements 2 of the partial electrodes are provided in the holes of the annular holding plate 3.
3 contact each other to close capable At a first central axis, appropriately moves setting the pair of partial electrodes in the center axis direction by the long hole 1a.
Then, on both sides of the annular holding plate 3, the movement directions of the pair of partial electrodes are made orthogonal to each other, and the pair of partial electrodes are fixed in a facing state through the elongated holes 1a and fixed with screws to inspect the sealed package. The electrode E 1 can be formed.
【００１６】この場合、接触素子２の先端部分を被検体
である断面円形の棒状密封包装物のクリップによる端縁
緊縛部の外径に対応させて之が通過できるように、対向
する接触素子同士の間隔を調整するとよい。この場合、
環状保持板３の前後両面の接触素子により、接触素子部
中央に前記密封包装物端縁緊縛部の通過しやすい正方形
の小孔が形成される。In this case, the contact elements facing each other are arranged so that the tip portion of the contact element 2 can be passed by corresponding to the outer diameter of the edge binding portion by the clip of the rod-shaped hermetically sealed package having the circular cross section as the object. You may want to adjust the interval. in this case,
By the contact elements on the front and rear surfaces of the annular holding plate 3, a square small hole is formed in the center of the contact element portion, through which the sealed package edge binding portion can easily pass.
【００１７】図３は、上記検査用電極E1を用いた棒状密
封包装物の検査装置の一例を示す概略図である。本装置
は円形断面等棒状密封包装物（例えばソーセージ類）6a
の製造ラインの搬送路Ａの端末に連結状態で設けられ
る。検査装置は、密封包装物6aのコンベヤ７による搬入
部と、該搬入部より稍長い長さの排出部との間に、被検
体の棒状密封包装物6aが通過できるように所定間隔（密
封包装物の被検部（被包部）の長さの1/2 以下の間隔）
をおいて二つの検査用電極E1、E1が配設されている。FIG. 3 is a schematic view showing an example of an inspection device for a rod-shaped sealed package using the inspection electrode E 1 . This device is a rod-shaped hermetically sealed package (eg sausages) 6a with a circular cross section.
It is provided in a connected state at the end of the transport path A of the manufacturing line. The inspection device has a predetermined interval (sealed package) so that the rod-shaped sealed package 6a of the subject can pass between the carry-in part of the sealed package 6a by the conveyor 7 and the discharge part having a length slightly longer than the carry-in part. (Interval less than 1/2 of the length of the part to be inspected (envelope))
Two inspection electrodes E 1 and E 1 are arranged at intervals.
【００１８】棒状密封包装物6aを搬送するためのコンベ
ヤ７は、被検体である棒状密封包装物6aを載置した状態
で安定して搬送させ得る程度の幅の無端状ベルト7aから
形成されている。該無端状ベルト7aを掛架するため、上
流側の搬入口のローラより、無端状ベルト7aは最初の検
査用電極E1（図面では右側）の手前の小径ローラに至る
搬入部を経て、該右の検査用電極E1の下部に位置するロ
ーラを経由し前後一対の検査用電極E1、E1の間の搬送面
を支持する一対の小径ローラから次の検査用電極E1の下
方のローラを経由し、該検査用電極E1の出口に近接した
小径ローラを経由して下流の終端のローラに至るように
して搬送面の排出部が形成されており、且つ無端状ベル
ト7aの搬入部のローラに至るベルトの帰路を形成するロ
ーラの一つに、モータＭより伝送ベルト7bが掛架され、
モータＭを回動させることにより、検査用電極E1上流側
のコンベヤと二つの検査用電極間のコンベヤ部分と検査
用電極E1下流側のコンベヤとを同じ速度で同じ方向（矢
印方向）に走行するようにしている。The conveyor 7 for conveying the rod-shaped hermetically sealed package 6a is formed of an endless belt 7a having a width that allows the rod-shaped hermetically sealed package 6a, which is an object to be inspected, to be stably conveyed. There is. In order to hang the endless belt 7a, the endless belt 7a passes through the carry-in portion from the roller at the upstream inlet to the small-diameter roller before the first inspection electrode E 1 (right side in the drawing). a pair of small-diameter rollers for supporting the conveying surface between the pair of inspection electrodes E 1, E 1 before and after via the rollers located under the right inspection electrodes E 1 of the lower next inspection electrodes E 1 The discharge portion of the conveying surface is formed so as to reach the roller at the downstream end via the roller, the small-diameter roller close to the outlet of the inspection electrode E 1 , and the endless belt 7a is carried in. The transmission belt 7b is suspended from the motor M on one of the rollers forming the return path of the belt to the roller
By rotating the motor M, the inspection electrodes E 1 upstream of the conveyor and the conveyor portion and the inspection electrodes E 1 downstream between two inspection electrodes conveyor and the same direction at the same speed (arrow) I am trying to drive.
【００１９】二つの検査用電極E1、E1の上流側と下流側
との搬送路に、被検体の棒状密封包装物6aの左右のずれ
を防止するため、ガイド板A1が搬送路の左右を挟むよう
に形成されており、下流側の搬送路の片側は搬送路終端
から所定長片側のガイド板が除かれて、検査済の被検体
を搬送路と直角方向に排出できるようになっている。In order to prevent lateral displacement of the rod-shaped hermetically sealed package 6a of the object to be inspected, the guide plate A 1 is provided on the transport path between the upstream and downstream sides of the two inspection electrodes E 1 , E 1 . It is formed so as to sandwich the left and right sides, and on one side of the downstream transport path, the guide plate of one side for a predetermined length is removed from the end of the transport path so that the inspected object can be discharged in the direction perpendicular to the transport path. ing.
【００２０】上記二つの検査用電極E1、E1に電位差を与
えるために、上流側の検査用電極E1には、一端を零電位
を与えるべく接地した交流高圧電源８が導線10a を介し
て接続されており、下流側の検査用電極E1には、検査時
に電流変化を検出するためのセンサ９が導線10b を介し
て接続され、センサ９の他端は零電位を与えるため接地
されている。In order to give a potential difference to the above-mentioned two inspection electrodes E 1 , E 1 , an AC high-voltage power supply 8 whose one end is grounded to give a zero potential is connected to the upstream inspection electrode E 1 via a conductor 10a. A sensor 9 for detecting a change in current at the time of inspection is connected to the inspection electrode E 1 on the downstream side via a lead wire 10b, and the other end of the sensor 9 is grounded to give a zero potential. ing.
【００２１】これにより、被検体である棒状密封包装物
6aの電気絶縁性被膜にピンホールがあると、電位差を与
えられた両電極E1、E1を通して回路に電流変化が発生
し、之をセンサ９で検出することによりピンホールの有
無を検出することができる。As a result, the rod-shaped hermetically sealed package which is the subject
If there is a pinhole in the electrically insulating film of 6a, a current change occurs in the circuit through both electrodes E 1 and E 1 to which a potential difference is applied, and the presence or absence of the pinhole is detected by detecting the sensor 9 be able to.
【００２２】図５は、検査装置用電極の他の例を示し、
主として偏平状密封包装物の搬送ラインに用いられるも
ので、図（Ａ）は正面図、図（Ｂ）は側面図、図（Ｃ）
は接触素子２の導電性ホルダー１への配列固着状態を示
す図（Ａ）の下面部分拡大図である。図５に於て、２は
アモルファス合金製の接触素子で、微小肉厚ｔ（例えば
25μ) 、細巾ｂ（例えば0.8m/m）のもので、前記棒状被
検物検査用の部分電極に用いられる接触素子と同様のも
ので、被検物に対応した所定の長巾のアルミ板を折曲げ
たホルダ１の間に微小間隙ｇ（例えば0.13m/m ）を介し
て配列しプレス加工によりホルダ１に固着せしめ長巾の
電極E2を形成している。FIG. 5 shows another example of the electrode for the inspection device,
It is mainly used for the transport line of flat sealed packages. Fig. (A) is a front view, Fig. (B) is a side view, and Fig. (C).
[FIG. 3] is an enlarged view of a lower surface portion of the view (A) showing a state where the contact elements 2 are arranged and fixed to the conductive holder 1. In FIG. 5, 2 is a contact element made of an amorphous alloy, which has a small thickness t (for example,
25 μ), narrow width b (for example, 0.8 m / m), the same as the contact element used for the partial electrode for rod-shaped test object inspection, and an aluminum plate having a predetermined width corresponding to the test object. A long gap electrode E 2 is formed by arranging a small gap g (for example, 0.13 m / m 2) between the bent holders 1 and fixing them to the holder 1 by pressing.
【００２３】図６は、上記長巾の検査用電極E2を用いた
比較的平坦な偏平状密封包装物の検査装置の一例を示す
概略図である。本装置は両面が特に平坦な密封包装物、
例えば、輸血用血液血漿等の血液製剤やレトルト食品等
の食品を密封包装した平坦な面を有するもの以外に、平
坦な面を有しないもの、例えば円弧面を有するもの、カ
マボコ状のものに接触素子が毛割れすることなく極めて
有利に適用することができる。FIG. 6 is a schematic view showing an example of an inspection apparatus for a relatively flat and flat sealed package using the above-mentioned long-width inspection electrode E 2 . This device is a hermetically sealed package with both sides especially flat,
For example, in addition to those having a flat surface in which blood products such as blood plasma for transfusion and foods such as retort foods are hermetically sealed, those that do not have a flat surface, for example, those having an arcuate surface, contact with a lump-shaped object It can be applied very advantageously without the element cracking.
【００２４】図には検査すべき密封包装物6bとして、上
面がカマボコ状の円弧面を有し、下面が平坦な袋である
場合を例示する。この袋6bを搬送するための前後二つの
コンベヤ７、７は、袋を載置した状態で安定して搬送さ
せ得る程度の稍広巾の無端状ベルト７a（厚さ１m/m 程
度）を用い密封包装物6ｂを受け渡しできる間隔をおい
て前後に配置している。そして、搬送路Ａの片側から下
方の検査用電極E2を臨ませるため、両コンベヤの前後の
間隔は該電極E2の接触素子の先端がコンベヤに触れない
程度の間隔（35m/m 程度）離してある。The figure shows an example of a hermetically sealed package 6b to be inspected, which is a bag whose upper surface has a semicircular arcuate surface and whose lower surface is flat. The two front and rear conveyors 7, 7 for transporting the bag 6b are sealed by using a wide endless belt 7a (about 1 m / m in thickness) that allows the bag to be stably transported while being placed. The packages 6b are arranged at the front and back with an interval so that they can be delivered. Since the lower inspection electrode E 2 is exposed from one side of the transport path A, the distance between the front and rear of the conveyors is such that the tip of the contact element of the electrodes E 2 does not touch the conveyor (about 35 m / m). Separated.
【００２５】図６において、前後二つのコンベヤ７、７
を同じ速度で同じ方向に走行させるために、下流側であ
るコンベヤ７の後側のローラと、上流側であるコンベヤ
７の前側のローラとの間に、それぞれに付設した小ロー
ラに無端状の伝導ベルト7cを掛架し、下流側のコンベヤ
７の後側のローラを、該ローラに付設した小ローラに無
端状の伝導ベルト7bを介してモータＭで回動させること
により、上流側のコンベヤ７と下流側のコンベヤ７とを
同じ速度で同じ方向（矢印方向、図６の左側）に走行す
るようにしている。In FIG. 6, two front and rear conveyors 7, 7 are provided.
In order to run the same at the same speed in the same direction, between the roller on the rear side of the conveyor 7 on the downstream side and the roller on the front side of the conveyor 7 on the upstream side. The conveyor belt 7c is hung, and the roller on the rear side of the conveyor 7 on the downstream side is rotated by the motor M via the endless transmission belt 7b on the small roller attached to the roller, thereby conveying the conveyor on the upstream side. 7 and the downstream conveyor 7 run at the same speed in the same direction (arrow direction, left side in FIG. 6).
【００２６】両コンベヤ７、７で搬送される密封包装物
6bのうち、内容物が存する部分における二つの対向両面
に接触させるために、搬送路Ａの下側から搬送路Ａに上
記検査用電極E2を臨ませるとともに、その反対側の搬送
路Ａの上側から、前後二つの検査用電極E2、E2を、該上
側の両検査用電極E2、E2と前記下側の検査用電極E2との
三つの検査用電極が搬送されてくる一つの密封包装物6b
のうち内容物１が存する部分における対向両面に搬送路
Ａの両側から同時に接触状態を保持する間隔をおいて前
記搬送路Ａに臨ませる。そして前記搬送路Ａにその両側
から臨ませた下側の検査用電極E2と、上側の前後二つの
電極E2、E2のうちの少くとも一方が接触している部分に
電位差による電流変化が起っているか否かを検知するた
めのセンサ９を、閉回路を用いることなく接続してい
る。Hermetically sealed packages carried by both conveyors 7, 7.
Of the 6b, the inspection electrode E 2 is exposed from the lower side of the transport path A to the transport path A in order to make contact with two opposite surfaces in the portion where the contents are present, and at the opposite side of the transport path A. From the upper side, the two front and rear inspection electrodes E 2 and E 2 are conveyed, and the upper inspection electrodes E 2 and E 2 and the lower inspection electrode E 2 are conveyed. One sealed package 6b
The opposite sides of the portion where the contents 1 are present are faced to the transport path A from both sides of the transport path A at an interval such that the contact state is simultaneously maintained. Then, a change in current due to a potential difference occurs in a portion in which at least one of the lower inspection electrode E 2 facing the transport path A from both sides and the upper and lower two electrodes E 2 , E 2 are in contact with each other. The sensor 9 for detecting whether or not is occurring is connected without using a closed circuit.
【００２７】これにより密封包装物6bが対向する上下両
電極の間を通過する間に一つの密封包装物6bのうち内容
物が存する部分における対向両面にピンホールがあるか
ないかを両面からの同時の検査で容易に検出することが
できる。密封包装物6bの検査に当り、検査用電極を形成
する各接触素子は、コンベヤの搬送方向（下流側）にの
み曲がっても、搬送方向の左右方向には曲がらないた
め、内容物で膨らんだ表面が円弧状のもの（カマボコ状
密封包装物を含む）であっても、従来のブラシ状電極の
ように毛割れを生ずることがない。Thus, while the sealed package 6b is passing between the opposing upper and lower electrodes, whether or not there is a pinhole on both sides of the sealed package 6b where the contents are present is checked from both sides simultaneously. It can be easily detected by inspection. When inspecting the hermetically sealed package 6b, each contact element forming an inspection electrode is swollen with the contents because it does not bend in the left and right direction of the conveyor even if it bends only in the conveyor direction (downstream side). Even if the surface has an arcuate shape (including a semi-circular sealed package), bristle cracking does not occur unlike the conventional brush-shaped electrode.
【００２８】なお、前記二つの実施の形態における検査
用電極E1、E2において、接触素子２を微小肉厚ｔ（例え
ば25μ）、細巾ｂ（例えば0.8m/m）、微小間隙ｇ（例え
ば0.13m/m ) としてホルダに設定固着したが、微小間隙
については隣り合う接触素子同士が接触しない程度であ
れば出来る丈近付けた方が良い。この場合、接触素子が
単列で微小間隙をおいて配列されているが、検査装置用
電極として接触素子を被検体の密封包装物の被膜に接触
させるとき、微小間隙部分が被膜に接触していなくて
も、高電圧による電位差が接触素子により被膜にかかる
ことから、非接触部にピンホールがあっても該ピンホー
ルを通して電流変化を発生せしめることができる。ま
た、前記実施の形態では接触素子の配列を該素子の細巾
方向に単列状態としたが、単列を２列、３列重ねて配列
することも無論可能であり、高圧電源は交流・直流何れ
でも良く、本発明の要旨を逸脱しない範囲での種々の変
更を妨げるものでない。In the inspection electrodes E 1 and E 2 in the above two embodiments, the contact element 2 has a minute wall thickness t (for example, 25 μ), a narrow width b (for example, 0.8 m / m), and a minute gap g ( For example, 0.13 m / m 2) was set and fixed to the holder, but it is better to make the minute gap as close as possible so long as adjacent contact elements do not contact each other. In this case, the contact elements are arranged in a single row with a minute gap therebetween, but when the contact elements are brought into contact with the film of the hermetically sealed package of the subject as electrodes for the inspection device, the minute gap portions are in contact with the film. Even if it does not exist, since the potential difference due to the high voltage is applied to the coating film by the contact element, even if there is a pinhole in the non-contact portion, a current change can be generated through the pinhole. Further, in the above embodiment, the contact elements are arranged in a single row in the narrow direction of the elements, but it is of course possible to arrange the single rows in two rows or three rows. Any of direct current may be used, and various modifications may be made without departing from the scope of the present invention.
【００２９】[0029]
【発明の効果】請求項１記載の本発明の密封包装物の検
査装置用電極によれば、電極を構成する多数の接触素子
として微小肉厚、細巾の矩形断面を有する所定長のアモ
ルファス合金製のものを単列状態で導電性ホルダに刷子
状に配列固着せしめたことにより、搬送される被検体の
密封包装物に接触せしめる場合、各接触素子は搬送方向
には曲っても搬送方向と直交する横方向には曲らないた
め、被検体に円弧状などの凸部があっても毛割れを起す
ことなく被検体に搬送方向に完全に沿って接触し、その
高剛性の材質から復元性良く耐久力のある接触効率の良
い刷子状電極を形成することができる。According to the electrode for a sealed package inspection apparatus of the present invention as set forth in claim 1, an amorphous alloy of a predetermined length having a rectangular cross section with a small thickness and a narrow width as a large number of contact elements constituting the electrode. In the case of contacting the sealed package of the sample to be conveyed by fixing the manufactured products in a single row in a brush-like arrangement on the conductive holder, even if each contact element bends in the transfer direction, Since it does not bend in the orthogonal lateral direction, even if the subject has a convex portion such as an arc shape, it contacts the subject completely along the transport direction without causing hair cracks and restores from its highly rigid material It is possible to form a brush-like electrode having good contact property and durability.
【００３０】請求項２記載の発明によれば、接触素子に
おける微小肉厚、細巾を特定することにより、実用上有
効な接触素子を形成することができる。According to the second aspect of the present invention, a contact element which is practically effective can be formed by specifying the minute thickness and the narrow width of the contact element.
【００３１】請求項３記載の発明によれば、円形断面等
の棒状の密封包装物を搬送中に検査用の電極に接触せし
める場合、該電極の接触素子を搬送密封包装物の全周に
毛割れを起すことなく容易に接触せしめることのできる
検査装置用電極を形成することができる。According to the third aspect of the present invention, when a rod-shaped hermetically sealed package having a circular cross section or the like is brought into contact with an electrode for inspection during transportation, the contact element of the electrode is wrapped around the entire circumference of the transported hermetically sealed package. It is possible to form an electrode for an inspection device that can be easily brought into contact with each other without causing cracks.
【図１】検査装置用電極の一例である棒状被検物検査用
部分電極の説明図である。FIG. 1 is an explanatory diagram of a rod-shaped inspection object partial electrode which is an example of an inspection device electrode.
【図２】棒状密封包装物の検査用電極の一例を示す説明
図である。FIG. 2 is an explanatory view showing an example of an inspection electrode for a rod-shaped sealed package.
【図３】本発明による電極を用いた棒状密封包装物の検
査装置の一例を示す概略図である。FIG. 3 is a schematic view showing an example of an inspection device for a rod-shaped sealed package using the electrode according to the present invention.
【図４】本発明による電極の円断面の被検体に対する接
触状態を、従来の接触素子と対比して示した説明図であ
る。FIG. 4 is an explanatory view showing a contact state of a circular cross section of an electrode according to the present invention with a subject in comparison with a conventional contact element.
【図５】偏平状密封包装物の検査装置用電極を示す説明
図である。FIG. 5 is an explanatory view showing electrodes for a flat sealed package inspection device.
【図６】本発明による電極を用いた偏平状密封包装物の
検査装置の一例を示す概略図である。FIG. 6 is a schematic view showing an example of an apparatus for inspecting a flat sealed package using an electrode according to the present invention.
１…導電性ホルダ、 ２…接触素子、 ３…環状保持
板、 31 …穴、ｔ…微小肉厚、 ｂ…細巾、 ｇ…微
小間隙。1 ... conductive holder, 2 ... contact element, 3 ... annular holding plate, 3 1 ... hole, t ... small thickness, b ... Hosohaba, g ... minute gap.
Claims (3)
容物を電気絶縁性被膜で被包した密封包装物をコンベヤ
上で搬送中、前記密封包装物の内容物が存する部分にお
いて離間状態でそれぞれ電極を同時に密封包装物に接触
させつつ高電圧による電位差により両電極が接触してい
る部分に電流変化が起っているか否かを検知して密封包
装物のピンホールを検出するようにした検査装置に使用
される密封包装物の検査装置用電極であって、微小肉厚
ｔ、細巾ｂの矩形断面を有する所定長のアモルファス合
金製の接触素子２を、微小間隙ｇをおいて細巾方向に単
列状態で導電性ホルダ１に刷子状に配列固着せしめたこ
とを特徴とする密封包装物の検査装置用電極。1. When a hermetically sealed package, in which a chemical liquid, food or other various electrically conductive contents are covered with an electrically insulating coating, is conveyed on a conveyor, the sealed package is separated at a portion where the contents are present. While the electrodes are in contact with the sealed package at the same time, it is possible to detect the pinhole of the sealed package by detecting whether or not a current change has occurred in the part where both electrodes are in contact due to the potential difference due to the high voltage. Which is an electrode for an inspection device of a sealed package used in the inspection device described above, in which a contact element 2 made of an amorphous alloy having a predetermined length having a rectangular cross section with a minute wall thickness t and a narrow width b is inserted into a minute gap g. An electrode for a device for inspecting a hermetically sealed package, characterized in that the conductive holder 1 is arranged and fixed in a brush shape in a single row in the narrow width direction.
巾ｂは0.5m/m〜1m/mである請求項１記載の密封包装物の
検査装置用電極。2. The electrode for a sealed package inspection device according to claim 1, wherein the contact element 2 has a small thickness t of 20 to 30 μm and a narrow width b of 0.5 m / m to 1 m / m.
けた環状保持板３の前後両面に、それぞれ請求項１乃至
２記載の電極を一対づつ該電極の刷子状の接触素子２を
前記穴31の中心軸に於て相互に接触乃至近接可能に、且
つ中心軸方向に移動設定可能にして、前記両面の各一対
の電極の移動方向を直交せしめてそれぞれの導電性ホル
ダ１、１を環状保持板３に取付けたことを特徴とする密
封包装物の検査装置用電極。Wherein the front and rear surfaces of the annular holding plate 3 holes 3 1 passing provided at the center of the rod-like sealing package, contact brush-like of each claim 1 or 2, wherein the electrode pair at a time the electrode element 2 in the contactable with or close to each other at a central axis of the hole 3 1, and in the central axis direction movable setting, each of the conductive holder brought perpendicular to the direction of movement of the pair of electrodes of the double-sided 1 1. An electrode for a device for inspecting a sealed package, characterized in that 1 is attached to an annular holding plate 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002139632A JP4137513B2 (en) | 2002-05-15 | 2002-05-15 | Electrode for sealed packaging inspection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002139632A JP4137513B2 (en) | 2002-05-15 | 2002-05-15 | Electrode for sealed packaging inspection equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003329650A true JP2003329650A (en) | 2003-11-19 |
| JP4137513B2 JP4137513B2 (en) | 2008-08-20 |
Family
ID=29700725
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002139632A Expired - Lifetime JP4137513B2 (en) | 2002-05-15 | 2002-05-15 | Electrode for sealed packaging inspection equipment |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011064556A (en) * | 2009-09-16 | 2011-03-31 | Mutual Corp | Inspection device of sealed package |
| DE102011050371A1 (en) * | 2011-05-16 | 2012-11-22 | Dbk David + Baader Gmbh | Method for testing leakage of enclosure of heater for selective catalytic reduction system, involves detecting adjustable testing current after applying testing voltage to electrodes, where current is shut dependent on leakage of enclosure |
| KR101835696B1 (en) | 2017-08-25 | 2018-03-08 | 주식회사 미성 | Coating Inspection Apparatus Composite Pipe |
-
2002
- 2002-05-15 JP JP2002139632A patent/JP4137513B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011064556A (en) * | 2009-09-16 | 2011-03-31 | Mutual Corp | Inspection device of sealed package |
| DE102011050371A1 (en) * | 2011-05-16 | 2012-11-22 | Dbk David + Baader Gmbh | Method for testing leakage of enclosure of heater for selective catalytic reduction system, involves detecting adjustable testing current after applying testing voltage to electrodes, where current is shut dependent on leakage of enclosure |
| KR101835696B1 (en) | 2017-08-25 | 2018-03-08 | 주식회사 미성 | Coating Inspection Apparatus Composite Pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4137513B2 (en) | 2008-08-20 |
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