JPH0247445Y2 - - Google Patents
Info
- Publication number
- JPH0247445Y2 JPH0247445Y2 JP19604084U JP19604084U JPH0247445Y2 JP H0247445 Y2 JPH0247445 Y2 JP H0247445Y2 JP 19604084 U JP19604084 U JP 19604084U JP 19604084 U JP19604084 U JP 19604084U JP H0247445 Y2 JPH0247445 Y2 JP H0247445Y2
- Authority
- JP
- Japan
- Prior art keywords
- lid
- light
- upper edge
- optical sensor
- conveyance path
- 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
Links
- 230000002950 deficient Effects 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 12
- 238000004826 seaming Methods 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 10
- 238000007689 inspection Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は缶蓋、特に金属性缶蓋の検査装置に関
する。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an inspection device for can lids, particularly metal can lids.
（従来の技術）
従来、缶詰用缶等に用いられる金属製缶蓋は平
板状の缶蓋金属素材を円板状に打ち抜き次いで製
蓋機によりその周縁に二重巻締用のシ−ミングパ
ネル部及びカ−ル部を形成する。これらの工程に
おいてまず、缶蓋素材を円板状に打ち抜く際に打
ち抜き位置に変動が生じると、第５図のように円
板状の打ち抜きが重なり合つて行われることがあ
り、このために円板状に打ち抜かれた缶蓋素材の
周縁に欠損部分ｄが発生する。そして、このよう
な欠損部分ｄを有する円板状の缶蓋素材により缶
蓋ａを形成すると第６図示のように二重巻締用の
シ−ミングパネル部ｂのカ−ル部ｃ周縁に該欠損
部分ｄが現われることになり、これは缶蓋を缶胴
に二重巻締した際に巻締不良、内容物の漏洩等の
支障がある。このため、この二種の缶蓋のカ−ル
部上縁の欠損部分の有無の検査は目視により行つ
ていたが作業能率が悪い。また、この欠損部分も
多様でありカ−ル部上縁の欠損部分の長さ及び欠
損部分の深さによつては無視してもよいものと無
視できないものとがあるが、これらの判別は検査
員の経験によるため検査の精度にバラツキがあつ
た。(Prior art) Conventionally, metal can lids used for cans, etc. are made by punching a flat can lid metal material into a disc shape, and then using a lid making machine to form a seaming panel around the periphery for double seaming. form a portion and a curl portion. In these processes, if the punching position changes when punching the can lid material into a disk shape, the disk shapes may overlap as shown in Figure 5. A defective portion d occurs at the periphery of the can lid material punched into a plate shape. When a can lid a is formed from a disc-shaped can lid material having such a defective portion d, as shown in Fig. 6, the periphery of the curled portion c of the seaming panel portion b for double seaming The defective portion d appears, which causes problems such as poor seaming and leakage of contents when the can lid is double seamed to the can body. For this reason, inspection for the presence or absence of a defective portion on the upper edge of the curled portion of these two types of can lids was performed visually, but the work efficiency was poor. In addition, there are various types of defective parts, and depending on the length of the defective part on the upper edge of the curl part and the depth of the defective part, there are some that can be ignored and others that cannot be ignored, but it is difficult to distinguish between these. There were variations in the accuracy of the inspection due to the experience of the inspector.
（考案が解決しようとする問題点）
本考案は、かかる従来の不都合を解消し、常用
される光センサ−装置を用いて連続して多数の缶
蓋のカ−ル部に生じる欠損部分を、支障ある欠損
部分と支障のない欠損部分との判別を一定にして
能率よく検出することができる缶蓋検査装置を提
供する。(Problems to be Solved by the Invention) The present invention eliminates such conventional inconveniences and uses a commonly used optical sensor device to continuously detect the defective portions that occur in the curled portions of a large number of can lids. To provide a can lid inspection device capable of efficiently detecting a defective part causing a problem and a defective part not causing a problem by constant discrimination.
（問題点を解決するための手段）
本考案は、前記の問題点を解決するために、中
央パネル面の全周に二重巻締用のシ−ミングパネ
ル部及びカ−ル部を形成した缶蓋の該カ−ル部上
縁に発生する欠損部分を光センサ−装置による検
出するものにおいて、缶蓋を同一方向に積層して
搬送する筒状搬送路を設け、光センサ−装置の投
光用フアイバ−の投光端面に受光用フアイバ−の
受光端面を近接して配設して１組とした検出部の
複数個を、前記搬送路中を通過するカ−ル部上縁
に近接しかつ上縁全周に沿つて所定の間隔を存し
て設けると共に、各検出部をカ−ル部上縁より垂
直方向上方に10〜30度に傾斜角を与えて配設した
ことを特徴とする。(Means for solving the problem) In order to solve the above-mentioned problem, the present invention forms a seaming panel part and a curl part for double seaming around the entire circumference of the center panel surface. In a device that uses an optical sensor device to detect a defective portion that occurs at the upper edge of the curled portion of a can lid, a cylindrical conveyance path is provided in which the can lids are stacked and conveyed in the same direction, and the projection of the optical sensor device is A plurality of detection units, which are arranged as a set in which the light-receiving end face of the light-receiving fiber is disposed close to the light-emitting end face of the optical fiber, are arranged close to the upper edge of the curled part passing through the conveyance path. Moreover, it is characterized in that it is provided at a predetermined interval along the entire circumference of the upper edge, and each detection part is arranged vertically upward from the upper edge of the curled part at an inclination angle of 10 to 30 degrees. shall be.
（実施例）
本考案の実施の一例を示す第１図乃至第４図に
従つて更に詳述すれば次の通りである。(Example) A further detailed description will be given below with reference to FIGS. 1 to 4 showing an example of implementation of the present invention.
第１図は実施装置の概略を示すもので１は第６
図の缶蓋のように、缶蓋の上面を下方にして多数
枚の同種同径の缶蓋ａが積層されて自重で搬送さ
れる筒状の搬送路である。該搬送路１内面は缶蓋
ａの径よりも僅かに大径として積層された缶蓋ａ
が常に検査位置では傾動することなく搬送路１の
半径方向に水平となるようにした。２は搬送路１
の周壁を貫通させて搬送路１中を通加する缶蓋ａ
のカ−ル部ｃの上縁に直交する位置で近接させて
配設した第２図示のような常用の光センサ−装置
３の投光用フアイバ−４の投光端面と受光用フイ
バ−５の受光端面とを近接して１組とした検出部
であつて、後述するようにカ−ル部ｃの上縁全周
に所定の間隔を存して設けた。 Figure 1 shows the outline of the implementation device, and 1 is the sixth
Like the can lid shown in the figure, it is a cylindrical conveyance path in which a large number of can lids a of the same type and diameter are stacked and transported by their own weight with the top surface of the can lid facing downward. The inner surface of the conveyance path 1 has a diameter slightly larger than that of the can lid a, which is laminated with can lids a.
is always horizontal in the radial direction of the conveyance path 1 without tilting at the inspection position. 2 is conveyance path 1
A can lid a that passes through the peripheral wall of the conveyor path 1.
The light emitting end face of the light emitting fiber 4 and the light receiving fiber 5 of a commonly used optical sensor device 3 as shown in the second figure are arranged close to each other at a position orthogonal to the upper edge of the curled portion c of the The detecting section is a pair of detecting sections adjacent to the light receiving end surface of the curved section c, and is provided at a predetermined interval around the entire upper edge of the curled section c, as will be described later.
光センサ−装置３は常用のものであつて投光用
フアイバ−４からの投光により生じる反射光の受
光量をフオトトランジスタにより電圧に変換する
タイプのものでカ−ル部ｃに生じた欠損部分ｄが
所定の深さ以上であるために生じる受光量の変動
に応じて検出信号を出力すると共に警報機（図示
しない）を作動させ、該当する缶蓋を排除する選
別装置（図示しない）を作動させる。 The optical sensor device 3 is a commonly used type that converts the amount of reflected light received by the light emitted from the light emitting fiber 4 into voltage using a phototransistor. A sorting device (not shown) outputs a detection signal and activates an alarm (not shown) in response to fluctuations in the amount of received light that occur because the portion d is at a predetermined depth or more, and removes the corresponding can lid. Activate.
本考案にあつては、缶蓋ａのカ−ル部ｃに生じ
る欠損部分を支障のあるものとないものとを判別
するために次のように構成した。 The present invention is constructed as follows in order to distinguish between defective portions occurring in the curled portion c of the can lid a and those that are not a problem.
まず第３図示のように缶蓋ａが積層され互いに
重合するカ−ル部ｃの間に僅かに間〓が生じるた
めカ−ル部ｃの上縁に投光幅χのような投光Χを
行うとき投光角度が小さいと、カ−ル部ｃの間〓
を透光して反射量が少なくなりカ−ル部ｃの欠損
部分ｄを検出することができない。 First, as shown in Figure 3, can lids a are stacked and there is a slight gap between the curled parts c that overlap each other, so that the upper edge of the curled part c has a light projection width χ. If the projection angle is small when performing
The amount of reflection decreases and the defective portion d of the curled portion c cannot be detected.
他方、投光角度を大とすると積層する上方のカ
−ル部ｃに遮られて欠損部分ｄを検出することが
できない。以上の点を考慮して検討した結果、投
光角度αを10〜30度、特に15〜25度の範囲に設定
すると支障がないことを確認した。 On the other hand, if the projection angle is increased, the defective portion d cannot be detected because it is blocked by the upper curled portion c of the stack. As a result of studies taking the above points into consideration, it was confirmed that there would be no problem if the projection angle α was set in the range of 10 to 30 degrees, particularly 15 to 25 degrees.
この場合、第５図示のように欠損部分ｄは缶蓋
素材を所定の径により多数個を打ち抜く際に重畳
した打ち抜きにより半月状の欠損部分ｄとして生
じるので第３図及び第４図示のように欠損部分ｄ
の長さl1と深さl2とは相関関係があり長さl1が小
さいとき深さl2も小さく深さl2が小さいときは長
さはl1も小さくなる。 In this case, as shown in Fig. 5, the missing part d is created as a half-moon-shaped missing part d due to the overlapped punching when punching out a large number of can lid materials with a predetermined diameter, so as shown in Figs. 3 and 4. Missing part d
There is a correlation between the length l1 and the depth l2 , and when the length l1 is small, the depth l2 is also small and when the depth l2 is small, the length l1 is also small.
従つて投光角度αを前記の範囲とし投光幅χが
決つているので、第３図示のように欠損部分ｄの
深さl2′の検出位置も決定され、これにより支障の
ある欠損部分ｄの長さl1に対応する長さl1′も決定
される。この長さl1′を基準として各検出部２，２
の間隔を設定すればよい。 Therefore, since the light projection angle α is within the above range and the light projection width χ is determined, the detection position of the depth l 2 ' of the defective portion d is also determined as shown in Figure 3, and thereby the problematic defective portion can be detected. A length l 1 ' corresponding to the length l 1 of d is also determined. Based on this length l 1 ', each detection unit 2, 2
All you have to do is set the interval.
（考案の効果）
以上の説明から明らかなように本考案によると
きは、二重巻締用缶蓋のカール部に発生する欠損
部分を光センサ−装置により検出する際に缶蓋を
同一方向に積層して搬送する筒状搬送路を設け、
光センサ−装置の投光用フアイバ−の投光端面に
受光用フアイバ−の受光端面を近接して配設して
１組とした検出部の複数個を、前記搬送路中を通
過するカ−ル部上縁に近接しかつ上縁全周に沿つ
て所定の間隔を存して設けると共に、各検出部を
カ−ル部上縁より垂直方向上方へ10〜30度の傾斜
角を与えて配設したので連続して確実にカ−ル部
に発生する欠損部分を検出することができる缶蓋
検査装置を提供するの効果がある。(Effect of the invention) As is clear from the above explanation, when the present invention is used, the can lid is moved in the same direction when the optical sensor device detects the defective part that occurs in the curled part of the can lid for double seaming. A cylindrical conveyance path is provided for stacking and conveying.
A plurality of detection units formed into a set in which the light-receiving end face of the light-receiving fiber is disposed close to the light-emitting end face of the light-emitting fiber of the optical sensor device is connected to a car passing through the transport path. The detection parts are provided close to the upper edge of the curl part and at predetermined intervals along the entire circumference of the upper edge, and each detection part is provided at an inclination angle of 10 to 30 degrees vertically upward from the upper edge of the curl part. This arrangement has the effect of providing a can lid inspection device that can continuously and reliably detect defects occurring in curled portions.
図示するものは本考案の実施の一例を示すもの
で、第１図は一部截断面図、第２図は検出部の斜
視図、第３図及び第４図は検出部の説明線図、第
５図は缶蓋素材の打抜工程の説明線図、第６図は
缶蓋の斜視図である。
ａ……缶蓋、ｂ……シ−ミングパネル部、ｃ…
…カ−ル部、ｄ……欠損部分、１……筒状搬送
路、２……検出部、３……光センサ−装置、４…
…投光用フアイバ−、５……受光用フアイバ−。
The illustrations show an example of the implementation of the present invention, and FIG. 1 is a partially cutaway view, FIG. 2 is a perspective view of the detection section, and FIGS. 3 and 4 are explanatory diagrams of the detection section. FIG. 5 is an explanatory diagram of the punching process of the can lid material, and FIG. 6 is a perspective view of the can lid. a...Can lid, b...seaming panel part, c...
... Curled portion, d... Defective portion, 1... Cylindrical conveyance path, 2... Detection section, 3... Optical sensor device, 4...
...Fiber for light emission, 5...Fiber for light reception.
Claims (1)
パネル部及びカ−ル部を形成した缶蓋の該カ−ル
部上縁に発生する欠損部分を光センサ−装置によ
り検出するものにおいて、缶蓋を同一方向に積層
して搬送する筒状搬送路を設け、光センサ−装置
の投光用フアイバ−の投光端面に受光用フアイバ
−の受光端面を近接して配設して１組とした検出
部の複数個を、前記搬送路中を通過するカ−ル部
上縁に近接しかつ上縁全周に沿つて所定の間隔を
存して設けると共に、各検出部をカ−ル部上縁よ
り垂直方向上方に10〜30度の傾斜角を与えて配設
したことを特徴とする缶蓋検査装置。 A can lid in which a seaming panel part for double seaming and a curl part are formed around the entire circumference of the central panel surface, and a defective part that occurs at the upper edge of the curl part is detected by an optical sensor device. In this method, a cylindrical conveyance path is provided for stacking and conveying can lids in the same direction, and the light-receiving end face of the light-receiving fiber is arranged close to the light-emitting end face of the light-emitting fiber of the optical sensor device. A plurality of detection units are provided as a set near the upper edge of the curl portion passing through the conveyance path and at predetermined intervals along the entire circumference of the upper edge. - A can lid inspection device characterized in that the can lid inspection device is arranged vertically upward from the upper edge of the can lid portion at an inclination angle of 10 to 30 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19604084U JPH0247445Y2 (en) | 1984-12-26 | 1984-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19604084U JPH0247445Y2 (en) | 1984-12-26 | 1984-12-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61112208U JPS61112208U (en) | 1986-07-16 |
| JPH0247445Y2 true JPH0247445Y2 (en) | 1990-12-13 |
Family
ID=30753681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19604084U Expired JPH0247445Y2 (en) | 1984-12-26 | 1984-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0247445Y2 (en) |
-
1984
- 1984-12-26 JP JP19604084U patent/JPH0247445Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61112208U (en) | 1986-07-16 |
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