JPH0423747B2 - - Google Patents
Info
- Publication number
- JPH0423747B2 JPH0423747B2 JP59046326A JP4632684A JPH0423747B2 JP H0423747 B2 JPH0423747 B2 JP H0423747B2 JP 59046326 A JP59046326 A JP 59046326A JP 4632684 A JP4632684 A JP 4632684A JP H0423747 B2 JPH0423747 B2 JP H0423747B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- neck
- wrinkles
- neck portion
- receiving means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000037303 wrinkles Effects 0.000 claims description 41
- 238000001514 detection method Methods 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 230000007717 exclusion Effects 0.000 claims 1
- 210000003739 neck Anatomy 0.000 description 15
- 238000000034 method Methods 0.000 description 8
- 230000002950 deficient Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000010365 information processing Effects 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/90—Investigating the presence of flaws or contamination in a container or its contents
- G01N21/909—Investigating the presence of flaws or contamination in a container or its contents in opaque containers or opaque container parts, e.g. cans, tins, caps, labels
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Length Measuring Devices By Optical Means (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、ネツクイン缶（缶の口部およびそ
の近傍を内側に絞つてネツク部をもたせたもの）
を製缶した際の同ネツク部における皺の有無を検
出し、該皺の検出された缶を不良品として良品と
自動弁別するネツクイン缶自動弁別装置に関す
る。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a neck can (a can in which the neck portion and its vicinity are squeezed inward to have a neck portion).
The present invention relates to an automatic neck-in can discriminator that detects the presence or absence of wrinkles in the neck portion of cans when cans are made, and automatically distinguishes cans with detected wrinkles from good products as defective ones.
一般に、上記のようなネツクイン缶は、アルミ
ニウム等の材料から所要の容積の缶として打ち抜
かれるなどした後に、絞り機によりその口部およ
びその近傍が内側に所要の絞られて形成される。
このようにして製缶されたネツクイン缶の一例を
第１図に断面図で示す。
In general, the above-mentioned neck-in cans are formed by punching out a can of a desired volume from a material such as aluminum, and then squeezing the mouth and its vicinity inward to the desired size using a drawing machine.
An example of a neck-in can manufactured in this manner is shown in cross-section in FIG.
すなわち第１図に示すネツクイン缶CANにお
いて、図中TRの部分が胴部、同じくNCの部分
がネツク部、OPの部分が口部であり、この例で
は、上記ネツク部NCを３段階に絞つて同ネツク
イン缶CANを所要の形状に仕上げている。 In other words, in the neck-in can CAN shown in Figure 1, the part TR in the figure is the body, the part NC is the neck, and the part OP is the mouth.In this example, the neck NC is narrowed down to three stages. The same netquin can CAN is finished into the required shape.
ところで、このようにして形成されるネツクイ
ン缶CANにおいては、特に上記絞り機によるネ
ツク部NCの形成時に同ネツク部NCに皺が入る
ことがある。この皺の原因は種々であつて、例え
ば上記絞り機自身の欠陥や一時的な動作不良、あ
るいはネツク部未形成の缶が同絞り機に装填され
るときの該缶の態勢不良などがあげられるが、こ
のようにネツクイン缶CANに皺が入つてしまう
と、オートメーシヨンにおけるこの後の工程で適
宜な蓋により同缶CANを封滅しようとした際に、
その微妙な寸法誤差からこの密封性を阻害して、
内容物の不良をも招く恐れがある。したがつて、
上記皺の発生を未然に防止することも勿論必要で
はあるが、このような皺の入つてしまつた缶を後
の工程に転送してしまうことも絶対に避けなけれ
ばならない。 By the way, in the neck-in can CAN formed in this manner, wrinkles may appear in the neck portion NC especially when the neck portion NC is formed by the above-mentioned drawing machine. The causes of these wrinkles are various, including defects or temporary malfunctions in the squeezer itself, or poor alignment of cans with unformed necks when they are loaded into the squeezer. However, if the canned can CAN is wrinkled like this, when the canned CAN is sealed with an appropriate lid in the subsequent process of automation,
Due to the subtle dimensional errors, this sealing performance is hindered,
This may also lead to defects in the contents. Therefore,
Although it is of course necessary to prevent the occurrence of wrinkles, it is also absolutely necessary to avoid transferring cans with such wrinkles to subsequent processes.
しかし従来は、上記ネツクイン缶CANの口部
OPにおけるフランジクラツクの有無やフランジ
レングスの適・不適を検出して弁別する装置しか
なく、上述した皺の有無についてこれを有効に検
出し弁別する装置はなかつた。 However, in the past, the opening of the above netquin can CAN
There is only a device that detects and discriminates the presence or absence of flange cracks in the OP and whether the flange length is appropriate or inappropriate, and there is no device that can effectively detect and discriminate the presence or absence of the wrinkles mentioned above.
〔発明の目的〕
この発明は、ネツクイン缶における上述した皺
の有無を有効に検出し、皺があつた場合これを不
良品として自動的に弁別できるネツクイン缶自動
弁別装置を提供することを目的とする。[Object of the Invention] An object of the present invention is to provide an automatic netquin can discriminating device that can effectively detect the presence or absence of the above-mentioned wrinkles in a netquin can, and if wrinkles are present, automatically distinguish it as a defective product. do.
この発明では、上記ネツクイン缶の搬送路にこ
れらネツクイン缶を１乃至複数毎に回転せしめる
与回転機構を設けて前記絞り機等から転送されて
きたネツクイン缶を当該缶の中心軸を回転軸とし
て回転せしめるとともに、この回転しているネツ
クイン缶の少なくとも前記ネツク部に光照射しさ
らにこの反射光を適宜な受光手段によつて受光し
てこれを光電変換し、該光電変換された電気信号
の変化態様に基づいて上記皺の有無を判別するよ
うにする。この結果、皺有りと判定されたネツク
イン缶についてはこれを上記搬送路から強制排除
するようにし、当該缶が次の工程へ転送されるこ
とを禁止する。
In this invention, a rotating mechanism for rotating one or more netquin cans is provided on the transportation path of the netquin cans, and the netquin cans transferred from the squeezing machine etc. are rotated about the central axis of the can. At the same time, at least the neck portion of the rotating neck-in can is irradiated with light, and the reflected light is received by a suitable light receiving means and photoelectrically converted, and the change mode of the photoelectrically converted electrical signal is The presence or absence of wrinkles is determined based on this. As a result, the net-in cans determined to have wrinkles are forcibly removed from the transport path, and the cans are prohibited from being transferred to the next process.
したがつて、この発明にかかるネツクイン缶自
動弁別装置によれば、前記絞り機によりネツクイ
ン缶が形成された際、何らかの原因でこのネツク
部に皺が生じたとしても、これを有効に検出して
当該缶を排除することができ、ひいては製品の歩
留りも大幅に向上することができる。
Therefore, according to the automatic neck-in can discriminator according to the present invention, even if wrinkles occur in the neck portion for some reason when the neck-in can is formed by the squeezer, this can be effectively detected. The can can be eliminated, and the yield of the product can therefore be greatly improved.
またこの発明では、光学的な手段を用いて上記
皺の有無を検出するようにしたことから、ブリキ
缶であればアルミニウム缶であれ同ネツクイン缶
の材料を問わずして有効かつ的確な検出を行なう
ことができる。 In addition, in this invention, since the presence or absence of wrinkles is detected using optical means, effective and accurate detection can be performed regardless of the material of the tin can, whether it is an aluminum can or a net can. can be done.
第２図乃至第５図に、この発明にかかるネツク
イン缶自動弁装置の一実施例を示す。
FIGS. 2 to 5 show an embodiment of the net-in can automatic valve device according to the present invention.
第２図は、この実施例装置の全体的な構成につ
いてその概略を示したものであり、はじめに同第
２図を参照してこの実施例装置の概要を説明す
る。 FIG. 2 shows an outline of the overall configuration of the apparatus of this embodiment, and the outline of the apparatus of this embodiment will first be explained with reference to FIG. 2.
第２図において、１は搬送機、２ａおよび２ｂ
は該搬送機１に図示の如く取り付けられて搬送す
べくネツクイン缶CANをその中心軸を回転軸と
して自在に回転し得るよう把持するガイドローラ
であり、前述した絞り機（図示せず）により所要
の絞りが施された上記ネツクイン缶CANは、図
中の矢印Ｆ１およびＦ２方向から同装置に転送さ
れ、搬送機１の図中矢印Ｆ３方向への回転に伴な
つて順次図示の如くガイドローラ２ａおよび２ｂ
に装填されていくとする。 In FIG. 2, 1 is a conveyor, 2a and 2b
is a guide roller which is attached to the conveyor 1 as shown in the figure and grips the net can CAN so that it can freely rotate around its central axis for conveyance. The narrowed cans CAN are transferred to the apparatus from the directions of arrows F1 and F2 in the figure, and as the conveyor 1 rotates in the direction of arrow F3 in the figure, they are sequentially moved to the guide roller 2a as shown in the figure. and 2b
Suppose that it is loaded into
また同図において、３ａおよび３ｂは、以下に
説明するこの発明のネツクイン缶自動弁別を実施
するにあたつて対象とするネツクイン缶CANが
実際に上記搬送機１（正確にはこのガイドローラ
２ａおよび２ｂ）に装填されているか否かを検知
するためのセンサ（例えばリミツトスイツチや光
センサ等によつて構成される）、４ａおよび４ｂ
は、それぞれ運動して図中矢印Ｆ４方向に回転し
て、これらセンサ３ａおよび３ｂにより存在が確
認されたネツクイン缶CANをそれぞれの中心軸
を回転軸として図中矢印Ｆ５の如く回転せしめる
与回転ローラ、５ａおよび５ｂは、これら与回転
ローラ４ａおよび４ｂにより上記の回転が与えら
れているネツクイン缶CANのネツク部NC（第１
図参照）に内側から光を照射する光照射手段およ
びこの照射された光の反射光を受光してこれを光
電変換する受光手段を具えた当該ネツクイン缶
CANを皺検出センサ、６は、これらセンサ５ａ
および５ｂの上記受光手段による光電変換出力を
受入しこの出力の変化態様に基づいて上記当該ネ
ツクイン缶CANの皺の有無を判別する判別回路、
そして７ａおよび７ｂは、この判別回路６による
判定に基づいて、上記当該ネツクイン缶CANが
皺の無い良品の缶であつた場合は図中実線で示す
位置にあつてそれぞれ次の工程に転送するための
搬送路であるとする矢印Ｆ６ａおよびＦ６ｂの方
向に当該ネツクイン缶CANを排出し、また上記
ネツクイン缶CANが皺の有る不良品の缶であつ
た場合は図中破線で示す位置となつて当該ネツク
イン缶CANを上記搬送路から矢印Ｆ７ａおよび
Ｆ７ｂの如く排除するリジエクタである。 Further, in the same figure, 3a and 3b indicate that the target net-in can CAN is actually conveyed by the above-mentioned conveyor 1 (more precisely, this guide roller 2a and 2b) a sensor for detecting whether or not it is loaded (for example, composed of a limit switch, an optical sensor, etc.), 4a and 4b
are rotary rollers that move and rotate in the direction of arrow F4 in the figure, and rotate the net cans CAN whose presence has been confirmed by these sensors 3a and 3b as shown by arrow F5 in the figure, with their respective central axes as rotation axes. , 5a and 5b are the neck portion NC (first
The net-in can is equipped with a light irradiation means for irradiating light from the inside (see figure) and a light reception means for receiving reflected light of the irradiated light and photoelectrically converting it.
CAN is the wrinkle detection sensor, 6 is these sensor 5a
and a determination circuit that receives the photoelectric conversion output from the light receiving means of 5b and determines the presence or absence of wrinkles in the net-in can CAN based on the change mode of this output;
7a and 7b are located at the positions indicated by solid lines in the figure and transferred to the next process if the above-mentioned neck-in can CAN is a good can with no wrinkles based on the determination by the discrimination circuit 6. The net-quin can CAN is discharged in the direction of arrows F6a and F6b, which are assumed to be the transport paths of This is a rejector that removes the net can CAN from the conveyance path as indicated by arrows F7a and F7b.
なお、この第２図に示した装置は、12ポケツト
ダブルインデツクス（150°停止）タイプのものを
想定しており、上記センサ５ａおよび５ｂのネツ
クイン缶CANへの挿入にかかる動作やこれらセ
ンサ５ａおよび５ｂによる皺検出にかかる動作さ
らには上記リジエクタ７ａおよび７ａによる上述
した弁別動作等は、このマシンタイミングに基づ
いて適宜に制御されるものとする。 The device shown in FIG. 2 is assumed to be a 12-pocket double index (150° stop) type, and the operation related to inserting the sensors 5a and 5b into the neck-in can CAN and the operation of these sensors 5a The wrinkle detection operation by the redirectors 7a and 5b, and the above-described discrimination operation by the resictors 7a and 7a are appropriately controlled based on this machine timing.
次に、この発明の主要部をなす上記センサ５ａ
または５ｂ（以下まとめてセンサ５という）およ
び判別回路６について第３乃至第５図を参照して
詳述する。 Next, the above-mentioned sensor 5a which forms the main part of this invention
5b (hereinafter collectively referred to as the sensor 5) and the discrimination circuit 6 will be described in detail with reference to FIGS. 3 to 5.
はじめに、第３図を参照して、これらセンサ５
および判定回路６によるネツクイン缶の皺検出原
理について説明する。 First, with reference to FIG. 3, these sensors 5
The principle of detecting wrinkles on a neck-in can by the determination circuit 6 will be explained.
第３図ａにおいて、ランプＬおよび光フアイバ
OFおよび照射ヘツド５１からなる部分が上記セ
ンサ５の上述した光照射手段、または受光ヘツド
５２および光フアイバOFおよびフオトトランジ
スタFTからなる部分が同センサ５の上述した受
光手段であり、同図中のIWはネツクイン缶CAN
の特に前記ネツク部NCにおける内壁であるとす
る。 In Figure 3a, the lamp L and the optical fiber
The part consisting of the OF and the irradiation head 51 is the above-mentioned light irradiation means of the sensor 5, or the part consisting of the light reception head 52, the optical fiber OF and the phototransistor FT is the above-mentioned light reception means of the sensor 5, and IW CAN NETSUQUIN CAN
In particular, this is the inner wall of the neck portion NC.
したがつていま、上記内壁IWを矢印Ｆ５の如
く移動させながら、すなわち当該ネツクイン缶
CANを回転させながら（第２図参照）上記フオ
トトランジスタFTの出力を抽出し、これを第３
図ｂに示すような電気回路に入力したとすると、
上記内壁IWに第３図ａに示したような皺crがあ
つたときだけ乱反射が生じてその都度上記受光手
段における受光量が大きく減少することから、第
３図ｂの電気回路の入力信号は同図中に示す信号
S1のような態様で変化することとなる。さらにこ
れら同回路のフイルタとして機能するコンデンサ
C1でその変化分だけを抽出し、この抽出信号S2
を増幅器AMPにより所定に増幅した後、コンデ
ンサC2でピークホールドしたとすると、最終的
にこの電気回路からは信号S3の特にＰ部における
ような上記皺crの最大のものに対応した電圧レベ
ルを有する信号が得られる。したがつて、予め経
験的に許容できる大きさの皺に対応したレベルの
電圧を知つてこれを適宜な電圧設定器に設定して
おき、該設定した電圧レベルと上記採取された信
号の電圧レベルとを比較器によつて随時比較する
ようにすれば、この比較器出力に基づいて当該ネ
ツクイン缶CANが良品であるか不良品であるか
を的確に判別することができるようになる。 Therefore, while moving the inner wall IW as indicated by arrow F5, in other words,
While rotating CAN (see Figure 2), extract the output of the phototransistor FT and transfer it to the third
If we input the input into an electrical circuit as shown in Figure b,
Diffuse reflection occurs only when the inner wall IW has wrinkles cr as shown in Figure 3a, and the amount of light received by the light receiving means decreases each time, so the input signal to the electric circuit in Figure 3b is Signals shown in the figure
It will change in a manner similar to S 1 . Furthermore, a capacitor that functions as a filter in these same circuits
C 1 extracts only the change, and this extracted signal S 2
Suppose that after amplifying to a predetermined value by the amplifier AMP, the peak is held by the capacitor C2 , the voltage level corresponding to the maximum of the above wrinkles, especially in the P section of the signal S3 , is finally output from this electric circuit. A signal with . Therefore, by knowing in advance the voltage level that corresponds to wrinkles of an allowable size based on experience and setting this in an appropriate voltage setting device, the set voltage level and the voltage level of the sampled signal are adjusted. If these are compared at any time using a comparator, it becomes possible to accurately determine whether the net-in can CAN is a good product or a defective product based on the output of this comparator.
第４図は、上述した原理に基づいて構成したセ
ンサ５の具体例を、また第５図は、同じく上記原
理に基づいて構成した判別回路６の具体例をそれ
ぞれ示したものである。 FIG. 4 shows a specific example of the sensor 5 constructed based on the above-mentioned principle, and FIG. 5 shows a specific example of the discrimination circuit 6 constructed based on the above-mentioned principle.
すなわち第４図において、５１ａ〜５１ｄは、
対象とするネツクイン缶CANにおける上記ネツ
ク部NCの各段に対応して設けられた照射ヘツ
ド、５１ａ〜５２ｄは、同じく上記ネツク部NC
の各段に対応して設けられた受光ヘツドであり、
これらは、当該ネツクイン缶の上記ネツク部に皺
がなかつた場合、上記照射ヘツド群５１ａ〜５１
ｄを介して照射された光が確実に各対応する受光
ヘツド５２ａ〜５２ｄに反射されるよう、ヘツド
支持体５０によつて固定的に支持されているとす
る。またこの支持体５０は、図示しない適宜なカ
ム機構を通じて矢印Ｆ８（第４図ｂ参照）の如く
移動し、これによつて皺検出時における上記各ヘ
ツドのネツクイン缶CANへの挿入、および非検
出時（すなわち缶搬送時）における同各ヘツドの
ネツクイン缶からの離脱が制御されるとする。 That is, in FIG. 4, 51a to 51d are
The irradiation heads 51a to 52d provided corresponding to each stage of the above-mentioned network section NC in the target network can CAN are also connected to the above-mentioned network section NC.
A light receiving head is provided corresponding to each stage of the
If the neck portion of the neck-in can has no wrinkles, the irradiation head groups 51a to 51
It is assumed that the head support 50 is fixedly supported so that the light irradiated through the head d is surely reflected to the corresponding light receiving heads 52a to 52d. Further, this support body 50 moves as indicated by arrow F8 (see FIG. 4b) through an appropriate cam mechanism (not shown), thereby allowing each head to be inserted into the neck-in can CAN during wrinkle detection and non-detection. It is assumed that the detachment of each head from the tied-in can at the time (that is, when the can is transported) is controlled.
また、第５図において、６０は、前述した皺の
有無の判別、および該判別に基づく前記リジエク
タ７ａおよび７ｂの制御等を総合的に司どる
CPU（中央演算処理装置）、６１０，６２０，６
３０および６４０は、それぞれ同様の構成を有し
て、上記センサ５の各受光ヘツド５２ａ〜５２ｄ
毎の採取情報を各別に処理する採取情報処理回
路、６１は、上記CPU６０からの指令に基づき
これら処理回路６１０〜６４０による処理情報を
一括転送するマルチプレクサ、６２は該マルチプ
レクサ６１からの転送情報をＡ／Ｄ変換して上記
CPU６０に伝達するＡ／Ｄコンバータ、６１１，
６２１，６３１および６４１はそれぞれ上記採取
情報処理回路６１０〜６４０による処理情報、す
なわち前述の原理で示したピークホールド信号に
対応して各々の許容皺範囲に対応したレベル情報
が予設定された設定器、さらに６３は、第２図に
示した同実施例装置のマシンタイミングを検出す
るセンサ、６４は、上記CPU６０からの指令に
基づいてそれぞれ前記リジエクタ７ａまたは７ｂ
（第２図参照）の駆動を制御するリジエクトソレ
ノイド、６５は、上記マシンタイミングやリジエ
クタ７ａまたは７ｂの駆動態様、光照射手段にお
けるランプ切れの有無、さらには当該ネツクイン
缶CANの良、不良等を適宜に可視表示する表示
器であり、同判定回路６の中枢をなす上記CPU
６０は、上記Ａ／Ｄコンバータ６２の出力、すな
わち各採取情報処理回路６１０，６２０，６３０
および６４０で採取した当該ネツクイン缶CAN
のネツク部各段における最大皺の検出情報と上記
設定器６１１，６２１，６３１および６４１に予
設定された各レベル情報とをそれぞれ比較し、採
取した最大皺の検出情報が予設定されたレベル情
報を越えるものがあつたとき、当該ネツクイン缶
CANが同装置から排出される時点で、上記ソレ
ノイド６４を介して前記リジエクタ７ａまたは７
ｂのうち該当する方を駆動して、当該ネツクイン
缶CANを前記搬送路（矢印Ｆ６ａ，Ｆ６ｂ−第
２図参照）から排除するよう動作する。なお、同
第５図において示す信号線LNは各光照射手段に
おけるランプ切れの有無をチエツクするための信
号線である。 Further, in FIG. 5, 60 comprehensively controls the above-mentioned determination of the presence or absence of wrinkles and the control of the rejectors 7a and 7b based on the determination.
CPU (Central Processing Unit), 610, 620, 6
30 and 640 have similar configurations, and are connected to each of the light receiving heads 52a to 52d of the sensor 5.
61 is a multiplexer that collectively transfers information processed by these processing circuits 610 to 640 based on instructions from the CPU 60; 62 is a multiplexer that transfers the information transferred from the multiplexer 61 to A; /D conversion and above
A/D converter 611 that transmits to the CPU 60;
Reference numerals 621, 631, and 641 indicate setting devices in which level information corresponding to each permissible wrinkle range is preset in accordance with the processing information by the collected information processing circuits 610 to 640, that is, the peak hold signal shown in the above-mentioned principle. , 63 is a sensor for detecting the machine timing of the device of the embodiment shown in FIG.
The redirect solenoid 65 that controls the drive of the redirector (see Fig. 2) controls the machine timing, the driving mode of the redirector 7a or 7b, the presence or absence of a burnout of the lamp in the light irradiation means, and whether or not the net-in can CAN is good or bad. The above-mentioned CPU is a display device that visually displays the information as appropriate, and is the core of the judgment circuit 6.
60 is the output of the A/D converter 62, that is, each collected information processing circuit 610, 620, 630
And the netukuin can CAN collected at 640
The maximum wrinkle detection information at each stage of the network section is compared with each level information preset in the setting devices 611, 621, 631, and 641, and the collected maximum wrinkle detection information is determined as the preset level information. When there is something exceeding
At the time when the CAN is discharged from the device, the redirector 7a or 7
The corresponding one of b is driven to remove the net-in can CAN from the transport path (arrows F6a and F6b - see FIG. 2). Note that the signal line LN shown in FIG. 5 is a signal line for checking whether or not the lamp in each light irradiation means is burnt out.
このように、上述した実施例装置によれば、皺
の無い、また有つても許容内である良品缶と、許
容以上の皺が有る不良品缶とを的確に弁別するこ
とができる。 In this way, according to the above-described embodiment apparatus, it is possible to accurately discriminate between good cans without wrinkles or within tolerance, and defective cans with wrinkles exceeding tolerance.
なお、この実施例において、第２図に示した搬
送機１の構造やネツクイン缶CANの搬出方法お
よび排出法等は任意であり、実情に応じた適宜な
構造および方法を自由に選定することができる。 In this embodiment, the structure of the conveyor 1 shown in FIG. 2, the method of transporting and discharging the net can cans, etc. are arbitrary, and the structure and method can be freely selected according to the actual situation. can.
また、上記皺の検出方法およびこの判定方法も
上述した実施例による方法に限られるものではな
く、他に例えば第６図に示すようなセンサ８を用
いて同皺の検出および判定を行うこともできる。 Furthermore, the wrinkle detection method and the determination method are not limited to the method according to the above-described embodiments, and the wrinkles may also be detected and determined using a sensor 8 as shown in FIG. 6, for example. can.
すなわちこの第６図に示すセンサ８において、
８１は、当該ネツクイン缶CANの少なくとも前
記ネツク部NCに光照射し得る態様で配設される
ランプ、８２は該ランプ８１の照射光を集光する
レンズ、８３ａおよび８３ｂは、上記照射光のネ
ツクイン缶CAN表面からの反射光をそれぞれス
リツトＳを介して受光するようになる太陽電池
列、８４は、これら太陽電池列８３ａおよび８３
ｂの各々対応するものについてその光電変換出力
を比較し得るよう構成される差動増幅器であり、
これらは一体に同図に示すような態様でケース８
０に収納されているとする。そして、図示しない
判定回路は、上記作動増幅器８４の出力を監視
し、この出力レベルが所定以上に上がつたとき、
すなわち当該ネツクイン缶CAN表面の皺を原因
として乱反射が生じ上記各対応する太陽電池の光
電変換出力に所定以上の差が生じたとき当該ネツ
クイン缶CANを不良品として排除するようにす
る。これによつても上記弁別を有効に行なうこと
ができる。 That is, in the sensor 8 shown in FIG.
81 is a lamp disposed in such a manner that it can irradiate at least the neck portion NC of the neck-in can CAN, 82 is a lens that collects the irradiated light from the lamp 81, and 83a and 83b are used to collect the irradiated light. The solar cell arrays 84, which receive reflected light from the surface of the can CAN through the slits S, are the solar cell arrays 83a and 83.
A differential amplifier configured to compare the photoelectric conversion outputs of corresponding ones of b,
These are integrated into the case 8 as shown in the figure.
Assume that it is stored at 0. A determination circuit (not shown) monitors the output of the operational amplifier 84, and when this output level rises above a predetermined level,
That is, when irregular reflection occurs due to wrinkles on the surface of the net-in can CAN and a difference of more than a predetermined value occurs in the photoelectric conversion outputs of the corresponding solar cells, the net-in can CAN is rejected as a defective product. This also allows the above discrimination to be performed effectively.
第１図はネツクイン缶の一例を示す断面図、第
２図はこの発明にかかるネツクイン缶自動弁別装
置の一実施例を示す略図、第３図は第２図に示し
た実施例装置の皺検出原理を示す説明図、第４図
は第２図に示した実施例装置に用いられる皺検出
用センサの一例を示す平面図および側面図、第５
図は第２図に示した実施例装置に用いられる判定
回路の一例を示すブロツク図、第６図はこの発明
にかかるネツクイン缶自動弁別装置の他の実施例
について特にこの皺検出用センサの一例を示す平
面図および側面図である。
１……搬送機、２ａ，２ｂ……ガイドローラ、
３ａ，３ｂ……搬送缶検出用センサ、４ａ，４ｂ
……与回転ローラ、５，８……皺検出用センサ、
６……判別回路、７ａ，７ｂ……リジエクタ、５
０……ヘツド支持体、５１ａ〜５１ｄ……照射ヘ
ツド、５２ａ〜５２ｄ……受光ヘツド、６０……
CPU、６１……マルチプレクサ、６２……Ａ／
Ｄコンバータ、６３……マシンタイミング検出用
センサ、６４……リジエクトソレノイド、６５…
…表示器、６１０，６２０，６３０，６４０……
採取情報処理回路、６１１，６２１，６３１，６
４１……設定器、８０……センサケース、８１，
Ｌ……ランプ、８２……レンズ、８３ａ，８３ｂ
……太陽電池列、CAN……ネツクイン缶、OF…
…光フアイバ。
FIG. 1 is a sectional view showing an example of a netquin can, FIG. 2 is a schematic diagram showing an embodiment of the netquin can automatic discrimination device according to the present invention, and FIG. 3 is a wrinkle detection device of the embodiment shown in FIG. 2. An explanatory diagram showing the principle; FIG. 4 is a plan view and a side view showing an example of a wrinkle detection sensor used in the embodiment device shown in FIG. 2;
The figure is a block diagram showing an example of a determination circuit used in the embodiment device shown in FIG. 2, and FIG. 6 is a block diagram showing another embodiment of the automatic neck-in can discriminating device according to the present invention, particularly an example of this wrinkle detection sensor. FIG. 1...Conveyor, 2a, 2b...Guide rollers,
3a, 3b...Transportation can detection sensor, 4a, 4b
...Rotating roller, 5, 8...Wrinkle detection sensor,
6... Discrimination circuit, 7a, 7b... Rejector, 5
0... Head support, 51a to 51d... Irradiation head, 52a to 52d... Light receiving head, 60...
CPU, 61...Multiplexer, 62...A/
D converter, 63... Machine timing detection sensor, 64... Redirect solenoid, 65...
...Display device, 610, 620, 630, 640...
Collection information processing circuit, 611, 621, 631, 6
41...Setting device, 80...Sensor case, 81,
L... Lamp, 82... Lens, 83a, 83b
...Solar cell array, CAN...Netsuquin can, OF...
...optical fiber.
Claims (1)
クイン缶の搬送路に設けられ、該搬送路中のネツ
クイン缶を１乃至複数毎に当該缶の中心軸を回転
軸として回転せしめる与回転機構と、 この回転しているネツクイン缶の前記ネツク部
に光を照射する光照射手段及びこの照射された光
の反射光を受光してこれを光電変換する受光手段
を具えて構成される検出回路と、 前記受光手段の光電変換出力態様に基づいて前
記ネツク部における皺の有無を判別する判別回路
と、 この判別回路により皺有りと判別されたとき当
該ネツクイン缶を前記搬送路から排除する排除機
構と、を具え、 前記検出回路は、前記光照射手段と前記受光手
段とが前記回転しているネツクイン缶の内側に挿
入されて前記ネツク部の各段に対応してそれぞれ
対をなすよう構成され、 前記判別回路は、これら対毎の受光手段による
光電変換出力をピークホールドしていくととも
に、前記ネツク部の各段についてそれぞれ各別に
予設定した判定基準値とこれらピークホールド値
とを比較し、これらピークホールド値の１つでも
それぞれ該当する判定基準値を越えたとき、皺有
りと判定する ネツクイン缶自動弁別装置。 ２ 複数段に絞られてネツク部が形成されたネツ
クイン缶の搬送路に設けられ、該搬送路中のネツ
クイン缶を１乃至複数毎に当該缶の中心軸を回転
軸として回転せしめる与回転機構と、 この回転しているネツクイン缶の前記ネツク部
に光を照射する光照射手段及びこの照射された光
の反射光を受光してこれを光電変換する受光手段
を具えて構成される検出回路と、 前記受光手段の光電変換出力態様に基づいて前
記ネツク部における皺の有無を判別する判別回路
と、 この判別回路により皺有りと判定されたとき当
該ネツクイン缶を前記搬送路から排除する排除機
構と、を具え、 前記検出回路は、前記光照射手段が前記回転し
ているネツクイン缶の外側から前記ネツク部に光
照射するようになり、また前記受光手段がこの光
照射手段の両側で前記ネツク部の各段に対応して
対をなしてそれぞれこの反射光を受光するように
なり、 前記判別回路は、これら受光手段の各対毎の光
電変換出力を比較してそれぞれ対応する光電変換
出力の１つでも均等でなかつたとき、皺有りと判
定する ネツクイン缶自動弁別装置。[Scope of Claims] 1. Provided in a conveyance path for net-in cans having neck portions formed by narrowing into a plurality of stages, for each net-in can in the conveyance path, the center axis of the can is used as a rotation axis. A rotating mechanism for rotating the neck, a light irradiation means for irradiating light onto the neck portion of the rotating neck-in can, and a light receiving means for receiving reflected light of the irradiated light and photoelectrically converting it. a detection circuit for determining the presence or absence of wrinkles in the neck portion based on a photoelectric conversion output mode of the light receiving means; and an exclusion mechanism for excluding the light emitting means and the light receiving means, the light emitting means and the light receiving means being inserted into the inside of the rotating neck-in can and forming pairs corresponding to each stage of the neck portion, respectively. The discrimination circuit peak-holds the photoelectric conversion outputs of the light receiving means for each pair, and also compares these peak hold values with preset judgment reference values for each stage of the network section. An automatic can discriminator that compares these peak hold values and determines that wrinkles are present when even one of these peak hold values exceeds the corresponding determination reference value. 2. A rotating mechanism which is provided in a conveyance path for net-in cans in which a neck portion is formed by narrowing into multiple stages, and rotates one or more net-in cans in the conveyance path around the central axis of the can. , a detection circuit comprising a light irradiation means for irradiating light onto the neck portion of the rotating neck-in can, and a light reception means for receiving reflected light of the irradiated light and photoelectrically converting it; a determination circuit that determines the presence or absence of wrinkles in the neck portion based on a photoelectric conversion output mode of the light receiving means; a removal mechanism that removes the neck-in can from the conveyance path when the determination circuit determines that wrinkles are present; The detection circuit is configured such that the light irradiation means irradiates light onto the neck portion from the outside of the rotating neck-in can, and the light receiving means irradiates the neck portion on both sides of the light irradiation means. The reflected light is received in pairs corresponding to each stage, and the discrimination circuit compares the photoelectric conversion outputs of each pair of these light receiving means and selects one of the corresponding photoelectric conversion outputs. However, if it is not even, the automatic can discrimination device determines that there are wrinkles.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4632684A JPS60190842A (en) | 1984-03-09 | 1984-03-09 | Automatic discriminating apparatus of neck-in can |
| GB8424740A GB2155625B (en) | 1984-03-09 | 1984-10-01 | Neck-in can automatic discriminator |
| GB8815240A GB2204128B (en) | 1984-03-09 | 1984-10-01 | Neck-in can automatic discriminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4632684A JPS60190842A (en) | 1984-03-09 | 1984-03-09 | Automatic discriminating apparatus of neck-in can |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60190842A JPS60190842A (en) | 1985-09-28 |
| JPH0423747B2 true JPH0423747B2 (en) | 1992-04-23 |
Family
ID=12744024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4632684A Granted JPS60190842A (en) | 1984-03-09 | 1984-03-09 | Automatic discriminating apparatus of neck-in can |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS60190842A (en) |
| GB (1) | GB2155625B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62211548A (en) * | 1986-03-12 | 1987-09-17 | Toyo Seikan Kaisha Ltd | Method and device for detecting buckled can |
| JPS6353451A (en) * | 1986-08-25 | 1988-03-07 | Toyo Seikan Kaisha Ltd | Method and apparatus for detecting buckled can |
| JP2519701B2 (en) * | 1987-01-14 | 1996-07-31 | 住友電気工業株式会社 | UV sterilizer |
| JPH0797167B2 (en) * | 1987-01-14 | 1995-10-18 | 住友電気工業株式会社 | Optical bundle fiber terminal structure |
| EP0371643A3 (en) * | 1988-11-23 | 1991-05-29 | W.R. Grace & Co.-Conn. | Improved method and apparatus for inspecting workpieces |
| GB2229807A (en) * | 1988-11-23 | 1990-10-03 | Grace W R & Co | Improved method and apparatus for inspecting workpieces |
| US5281819A (en) * | 1991-06-06 | 1994-01-25 | Aluminum Company Of America | Apparatus for nondestructively determining coating thickness on a metal object and associated method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4526036Y1 (en) * | 1965-08-13 | 1970-10-12 | ||
| JPS4854977A (en) * | 1971-11-08 | 1973-08-02 | ||
| JPS5312682A (en) * | 1976-07-19 | 1978-02-04 | Coors Container Co | Apparatus for and method of inspecting cans by using light |
| JPS5626247A (en) * | 1979-08-09 | 1981-03-13 | Fuji Electric Co Ltd | Optical testing device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5951875B2 (en) * | 1980-05-28 | 1984-12-17 | 東洋製罐株式会社 | Automatic discrimination and removal method and device for defective empty cans |
| IT1143463B (en) * | 1981-03-27 | 1986-10-22 | Bonotto Snc Di Bonotto Giovann | EQUIPMENT FOR IN-LINE CONTROL OF SEALING OF THE CAP IN VIALS |
-
1984
- 1984-03-09 JP JP4632684A patent/JPS60190842A/en active Granted
- 1984-10-01 GB GB8424740A patent/GB2155625B/en not_active Expired
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4526036Y1 (en) * | 1965-08-13 | 1970-10-12 | ||
| JPS4854977A (en) * | 1971-11-08 | 1973-08-02 | ||
| JPS5312682A (en) * | 1976-07-19 | 1978-02-04 | Coors Container Co | Apparatus for and method of inspecting cans by using light |
| JPS5626247A (en) * | 1979-08-09 | 1981-03-13 | Fuji Electric Co Ltd | Optical testing device |
Also Published As
| Publication number | Publication date |
|---|---|
| GB8424740D0 (en) | 1984-11-07 |
| JPS60190842A (en) | 1985-09-28 |
| GB2155625A (en) | 1985-09-25 |
| GB2155625B (en) | 1989-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5101609A (en) | Cigarette package inspection indexing wheel | |
| US4650326A (en) | Apparatus for inspecting bottles | |
| CN105699393A (en) | System suitable for magnetic tile appearance defect detection and method for realizing system | |
| JPH0423747B2 (en) | ||
| US4158625A (en) | Method and apparatus for detecting and screening foreign matters | |
| CN108695559B (en) | Inspection device and winding device | |
| KR102216779B1 (en) | Vision inspection device for clutch hub | |
| JP2931867B2 (en) | Pellet handling device and pellet appearance inspection device | |
| DK180458B1 (en) | Method and device for detecting the prone/supine position of fish conveyed by means of a conveying device | |
| JPH02265867A (en) | Abnormal part detecting method for package | |
| JPH05249279A (en) | Circumferential surface inspection device for nuclear fuel pellet | |
| JPH0521548B2 (en) | ||
| JP3417486B2 (en) | Cap mounting failure detection method and device | |
| FR2498089A1 (en) | METHOD AND APPARATUS FOR AUTOMATICALLY SORTING PACKAGING MIXTURES AND THE LIKE USED OR NOT | |
| JP3716159B2 (en) | Joint inspection apparatus and inspection method for box making sheet material and box making machine | |
| GB2204128A (en) | Neck-in can automatic discriminator | |
| US5085515A (en) | Method and apparatus for inspecting quality of manufactured articles | |
| CN114260207B (en) | Product flow direction determining device and method | |
| JPH03226696A (en) | Inspection device for circumferential surfaces of nuclear fuel pellet | |
| JPH10239249A (en) | Inspection device for outer periphery face of can lid and can-lid inspection and processing apparatus provided with it as well as inspection method for outer periphery face of can lid | |
| US3261465A (en) | Apparatus for detecting improperly lidded cans | |
| CN116002357B (en) | Apparatus and method for closing a container with a closure | |
| CN113926728B (en) | Glass sorting equipment and method | |
| JPH0572138A (en) | Inspecting device for cylindrical body | |
| CN117019683B (en) | Full-automatic paper bag defective product detection and removal machine and defective product paper bag screening method |