JP2001033398A - Method and apparatus for inspecting coating of glass container - Google Patents
Method and apparatus for inspecting coating of glass containerInfo
- Publication number
- JP2001033398A JP2001033398A JP11204259A JP20425999A JP2001033398A JP 2001033398 A JP2001033398 A JP 2001033398A JP 11204259 A JP11204259 A JP 11204259A JP 20425999 A JP20425999 A JP 20425999A JP 2001033398 A JP2001033398 A JP 2001033398A
- Authority
- JP
- Japan
- Prior art keywords
- ultraviolet
- glass container
- sensor
- container
- coating
- 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.)
- Granted
Links
- 239000011521 glass Substances 0.000 title claims abstract description 60
- 238000000576 coating method Methods 0.000 title claims abstract description 45
- 239000011248 coating agent Substances 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title description 3
- 230000002950 deficient Effects 0.000 claims abstract description 27
- 238000007689 inspection Methods 0.000 claims description 38
- 230000007717 exclusion Effects 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 13
- 238000002834 transmittance Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000008030 elimination Effects 0.000 description 6
- 238000003379 elimination reaction Methods 0.000 description 6
- 239000006063 cullet Substances 0.000 description 5
- 238000011179 visual inspection Methods 0.000 description 5
- 238000012790 confirmation Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、外表面の擦り傷を
防止し、また、破壊強度を増強させるためガラス容器に
施されるコーティングの有無、又は、コーティング膜の
良否を検査するガラス容器のコーティング検査装置に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a glass container coating for inspecting the presence or absence of a coating applied to a glass container in order to prevent scratches on the outer surface and to enhance the breaking strength, or to check the quality of a coating film. It relates to an inspection device.
【０００２】[0002]
【従来の技術】ガラスびんなどのガラス容器には、容器
どうしが擦れ合ったときの擦り傷を防止するため、ま
た、破壊強度を増強させるために、ウレタン樹脂などの
樹脂コーティングが行われる。このようなコーティング
には透明、フロスト調、有色のものなどがある。従来
は、未コーティング容器が出荷製品に混入するのを防ぐ
ために、透明以外のコーティングは目視によって全数検
査を行っていた。透明コーティングの場合は、目視検査
がきわめて困難であるので、全数を検査することができ
ず、選択的に目視検査を行っていた。2. Description of the Related Art Glass containers such as glass bottles are coated with a resin such as a urethane resin in order to prevent abrasion when the containers are rubbed with each other and to increase the breaking strength. Such coatings include transparent, frosted, colored, and the like. Conventionally, in order to prevent uncoated containers from being mixed into shipping products, all coatings other than transparent coatings were visually inspected. In the case of a transparent coating, visual inspection is extremely difficult, so that not all of them can be inspected, and the visual inspection is selectively performed.
【０００３】[0003]
【発明が解決しようとする課題】上記のごとく、従来は
コーティングの有無の確認は目視検査によっていたか
ら、検査員に過酷な緊張を強いるものであった。また、
透明コーティングにおいては、コーティングの有無を目
視で確認するのがきわめて困難であるので、選択的に目
視検査を行うしかなく、未コーティング容器が出荷製品
に混入してしまう可能性があった。As described above, conventionally, the presence or absence of the coating was confirmed by visual inspection, and this required severe strain on the inspector. Also,
In the case of transparent coating, it is extremely difficult to visually check the presence or absence of the coating. Therefore, there is no choice but to perform a visual inspection selectively, and there is a possibility that an uncoated container may be mixed in a shipped product.
【０００４】本発明は、上記の問題点を解決し、目視に
よらずに全自動でコーティングの有無、又は、コーティ
ング膜の良否を検査できることを課題としてなされたも
のである。An object of the present invention is to solve the above-mentioned problems and to make it possible to inspect the presence or absence of a coating or the quality of a coating film fully automatically without visual observation.
【０００５】[0005]
【課題を解決するための手段】本発明は、紫外線投光器
からガラス容器に向かって紫外線を照射し、ガラス容器
を透過した紫外線を紫外線センサで受光し、その紫外線
の量が設定値よりも少ないときに、ガラス容器のコーテ
ィングが不良であると判定することを特徴とするガラス
容器のコーティング検査方法である。According to the present invention, an ultraviolet ray is irradiated from an ultraviolet ray projector toward a glass container, the ultraviolet ray transmitted through the glass container is received by an ultraviolet ray sensor, and the amount of the ultraviolet ray is smaller than a set value. In addition, a coating inspection method for a glass container is characterized in that it is determined that the coating of the glass container is defective.
【０００６】上記のコーティング膜には、透過した光の
紫外線成分を著しくカットするという性質がある。本発
明はこの性質を利用したものである。図６はコーティン
グ膜を有しないガラス容器とコーティング膜を有するガ
ラス容器における光の透過率曲線の例を表している。図
中符号ａはコーティング膜を有しないガラス容器の透過
率曲線、符号ｂはコーティング膜を有するガラス容器の
透過率曲線を示している。曲線ａと曲線ｂとを比較すれ
ば明らかなように、曲線ｂにおいては紫外線域の光がほ
ぼ完全にカットされている。そこで、曲線ａとｂとを比
較して著しく透過率の異なる波長を選んで使用波長と
し、その波長の紫外線をガラス容器に照射し、透過した
紫外線の量を計測することで、コーティングがされてい
るかどうかを判定することができる。また、コーティン
グに膜厚が薄いなどの欠陥がある場合にも、透過する紫
外線の量が増えるから、やはり透過する紫外線の量を計
測すれば、コーティング膜の欠陥も判定することができ
る。すなわち、透過する紫外線の量が適宜に設定された
設定値よりも多いときには、コーティングがされていな
いか、されているとしてもコーティング膜に欠陥がある
と判断できる。The above-mentioned coating film has a property of remarkably cutting the ultraviolet component of transmitted light. The present invention utilizes this property. FIG. 6 shows an example of a light transmittance curve between a glass container having no coating film and a glass container having a coating film. In the figure, reference symbol a indicates a transmittance curve of a glass container having no coating film, and reference symbol b indicates a transmittance curve of a glass container having a coating film. As is clear from the comparison between the curve a and the curve b, the light in the ultraviolet region is almost completely cut off in the curve b. Therefore, by comparing the curves a and b, a wavelength having a significantly different transmittance is selected and used as a wavelength to be used, and the glass container is irradiated with ultraviolet light of the wavelength, and the amount of the transmitted ultraviolet light is measured. Can be determined. Further, even when the coating has a defect such as a thin film thickness, the amount of transmitted ultraviolet light increases. Therefore, if the amount of transmitted ultraviolet light is measured, the defect of the coating film can also be determined. That is, when the amount of transmitted ultraviolet light is larger than the appropriately set value, it can be determined that there is no coating or that the coating film has a defect even if it is coated.
【０００７】また本発明は、台上に支持されたガラス容
器を挟んで対向して設けた紫外線投光器と紫外線センサ
と、紫外線投光器から照射されガラス容器を透過した紫
外線を受光した紫外線センサからの紫外線の量に関する
信号を検出し、紫外線の量が設定値よりも多いときにガ
ラス容器のコーティングが不良であると判定する制御部
とを有することを特徴とするガラス容器のコーティング
検査装置である。この発明は前記の検査方法を実施する
ための装置である。Further, according to the present invention, there is provided an ultraviolet projector and an ultraviolet sensor provided to face each other with a glass container supported on a table therebetween, and an ultraviolet light from an ultraviolet sensor which receives ultraviolet light emitted from the ultraviolet projector and transmitted through the glass container. And a control unit for detecting a signal relating to the amount of UV light and determining that the coating of the glass container is defective when the amount of UV light is greater than a set value. The present invention is an apparatus for performing the above-described inspection method.
【０００８】また、本発明装置において、紫外線投光器
と紫外線センサとを複数組設け、ガラス容器の全周面を
検査することもできる。Further, in the apparatus of the present invention, a plurality of sets of an ultraviolet ray projector and an ultraviolet ray sensor may be provided to inspect the entire peripheral surface of the glass container.
【０００９】この検査は、コーティングを終了したガラ
ス容器がコンベア上を流れていくときに行うことができ
る。この場合、コンベアの任意の位置にガラス容器を検
知する容器センサを設け、容器センサ付近のコンベアの
両側に対向して紫外線投光器と紫外線センサとを設け
る。そして、合否判定を行う制御部は、容器センサから
の容器有りの信号を受けると所定の検査タイミングで
（ガラス容器が紫外線投光器及び紫外線センサの正面に
来たとき）紫外線センサからの紫外線の量に関する信号
を検出し、紫外線の量が設定値よりも多いときにガラス
容器のコーティングが不良であると判定する。This inspection can be performed when the coated glass container flows on the conveyor. In this case, a container sensor for detecting the glass container is provided at an arbitrary position on the conveyor, and an ultraviolet projector and an ultraviolet sensor are provided opposite to both sides of the conveyor near the container sensor. Upon receiving the signal indicating the presence of the container from the container sensor, the control unit performing the pass / fail determination determines the amount of the ultraviolet light from the ultraviolet sensor at a predetermined inspection timing (when the glass container comes in front of the ultraviolet projector and the ultraviolet sensor). A signal is detected, and when the amount of ultraviolet rays is larger than a set value, it is determined that the coating of the glass container is defective.
【００１０】図４、５は、容器が紫外線センサの前を通
過するときの紫外線センサの出力電圧を時間の経過に伴
って記録したグラフで、図４は良品の場合、図５は不良
品（未コーティング容器）の場合である。紫外線センサ
は受光した紫外線の量が多いほど大きな電圧を出力する
ものである。図４において、ガラス容器が紫外線センサ
の前を通過するときに、紫外線が容器及びコーティング
膜によってカットされ、紫外線センサの出力電圧が下が
る。制御部が所定の検査タイミングで紫外線センサの出
力電圧を読みとると、設定値よりも小さな値であるか
ら、良品と判定する。図５において、ガラス容器が紫外
線センサの前を通過するときに、紫外線が容器によって
カットされ、紫外線センサの出力電圧が下がるが、未コ
ーティングであるために電圧の下がり方が小さい。制御
部が所定の検査タイミングで紫外線センサの出力電圧を
読みとると、設定値よりも大きな値であるから、不良品
と判定する。FIGS. 4 and 5 are graphs in which the output voltage of the ultraviolet sensor when the container passes in front of the ultraviolet sensor is recorded with the passage of time. FIG. Uncoated container). The ultraviolet sensor outputs a larger voltage as the amount of received ultraviolet light increases. In FIG. 4, when the glass container passes in front of the ultraviolet sensor, the ultraviolet light is cut by the container and the coating film, and the output voltage of the ultraviolet sensor decreases. When the control unit reads the output voltage of the ultraviolet sensor at a predetermined inspection timing, it is determined to be non-defective since the value is smaller than the set value. In FIG. 5, when the glass container passes in front of the ultraviolet ray sensor, the ultraviolet ray is cut by the container, and the output voltage of the ultraviolet ray sensor decreases. When the control unit reads the output voltage of the ultraviolet sensor at a predetermined inspection timing, it is determined to be defective because the output voltage is larger than the set value.
【００１１】紫外線投光器及び紫外線センサの下流側の
コンベアに近接して排除手段を設けることができる。制
御部は、不良と判定したガラス容器が排除手段のところ
に移動してきたタイミングで排除手段を作動させること
で、自動的に不良のガラス容器を排除することができ
る。An elimination means can be provided near the conveyor downstream of the ultraviolet projector and the ultraviolet sensor. The control unit can automatically remove the defective glass container by operating the removing unit at the timing when the glass container determined to be defective has moved to the removing unit.
【００１２】万一紫外線投光器のランプが切れた場合、
紫外線センサで受光する紫外線の量は設定値より少なく
なるから、全てのガラス容器が良品であると判定されて
しまう。そこで、制御部は、紫外線センサからの紫外線
の量に関する信号を検出し、紫外線の量が所定の値より
も小さいときに、紫外線投光器のランプ切れであると判
定するようにすれば、ランプ切れによる判定ミスを防ぐ
ことができる。このランプ点灯の確認は、ガラス容器が
紫外線を遮光しているときに行ってもよいし、遮光して
いないときに行ってもよいが、遮光していないときに行
った方が検出する電圧の差が大きいので、確実に判定す
ることができる。また、電圧の検出は瞬間的でもよい
し、一定時間（例えば１秒間）検出するようにしてもよ
い。[0012] Should the lamp of the ultraviolet projector be cut off,
Since the amount of ultraviolet light received by the ultraviolet sensor is smaller than the set value, all the glass containers are determined to be good. Therefore, the control unit detects a signal related to the amount of ultraviolet light from the ultraviolet sensor, and determines that the lamp of the ultraviolet light projector is out when the amount of ultraviolet light is smaller than a predetermined value. A determination error can be prevented. The confirmation of the lighting of the lamp may be performed when the glass container is blocking the ultraviolet light or not, and may be performed when the light is not blocked. Since the difference is large, the determination can be made reliably. Further, the voltage may be detected instantaneously or may be detected for a fixed time (for example, one second).
【００１３】[0013]
【発明の実施の形態】以下、実施例に関する図面に基づ
いて、本発明を詳細に説明する。図１は実施例の検査装
置の断面説明図、図２は実施例の検査装置の平面説明
図、図３は制御部のプログラムの検査ルーチンの例の説
明図、図４、５はガラス容器が紫外線センサの前を通過
するときの紫外線センサの出力電圧の説明図、図６はガ
ラス容器の透過率曲線の説明図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings relating to embodiments. 1 is an explanatory cross-sectional view of the inspection apparatus of the embodiment, FIG. 2 is a plan view of the inspection apparatus of the embodiment, FIG. 3 is an explanatory view of an example of an inspection routine of a program of a control unit, and FIGS. FIG. 6 is an explanatory diagram of the output voltage of the ultraviolet sensor when passing in front of the ultraviolet sensor, and FIG. 6 is an explanatory diagram of a transmittance curve of the glass container.
【００１４】実施例の検査装置は、ガラスびんＧの外表
面のウレタン樹脂コーティング膜の有無、及び、コーテ
ィング膜の良否を検査する装置である。ガラスびんＧの
光透過率は図６のとおりであり、同図において曲線ａが
未コーティングびん、曲線ｂが正常コーティングびんの
透過率曲線である。例えば、曲線ａ、ｂの透過率の違い
が大きな３６５nmを検査における使用波長とすることが
できる。The inspection apparatus of the embodiment is an apparatus for inspecting the presence or absence of a urethane resin coating film on the outer surface of the glass bottle G and inspecting the quality of the coating film. The light transmittance of the glass bottle G is as shown in FIG. 6, in which curve a is the transmittance curve of the uncoated bottle and curve b is the transmittance curve of the normal coated bottle. For example, 365 nm where the difference between the transmittances of the curves a and b is large can be used as the wavelength used in the inspection.
【００１５】この検査装置は、紫外線投光器１、紫外線
センサ２、コンベア３、容器センサ４、排除手段５、カ
レットシュート６、速度センサ７、制御部（図示せず）
などで構成されている。紫外線投光器１は検査に使用す
る使用波長の紫外線を照射するものである。紫外線セン
サ２は受光した紫外線の量に応じた電圧を出力するもの
である。コンベア３はガラスびんＧを載せて移動させる
ものである。容器センサ４は光電センサでガラスびんＧ
により光線がカットされることでガラスびんの存在を検
知するものである。排除手段５はエアノズルで、エアを
噴出しその圧力でコーティング不良のガラスびんをコン
ベアから排除するものである。カレットシュート６は排
除された不良びんを受け取るものである。速度センサ７
はエンコーダでコンベア３が所定距離移動するごとにパ
ルスを発生するものである。制御部はマイクロコンピュ
ータである。This inspection apparatus includes an ultraviolet projector 1, an ultraviolet sensor 2, a conveyor 3, a container sensor 4, an elimination means 5, a cullet chute 6, a speed sensor 7, and a control unit (not shown).
It is composed of The ultraviolet light projector 1 irradiates ultraviolet light having a wavelength used for inspection. The ultraviolet sensor 2 outputs a voltage corresponding to the amount of ultraviolet light received. The conveyor 3 carries the glass bottle G and moves it. Container sensor 4 is a photoelectric sensor and is a glass bottle G
Is used to detect the presence of a glass bottle by cutting off the light beam. The removing means 5 is an air nozzle which blows out air and removes a glass bottle having a poor coating from the conveyor by the pressure. The cullet chute 6 receives the removed defective bottle. Speed sensor 7
Is a pulse generated by the encoder every time the conveyor 3 moves a predetermined distance. The control unit is a microcomputer.
【００１６】図２に示すように、紫外線投光器１と紫外
線センサ２は、コンベア３の任意の位置にコンベア３を
挟んで対向して設けられる。紫外線投光器１から照射さ
れた紫外線は紫外線センサ２によって受光されるが、こ
の紫外線の光路をコンベア上を流れてくるガラスびんＧ
が横切るようにする。紫外線投光器１及び紫外線センサ
２に近接して、好ましくはこれらと同位置又はやや上流
側に、容器センサ４が設けられる。排除手段５及びカレ
ットシュート６は、紫外線投光器１及び紫外線センサ２
の下流側に設けられる。As shown in FIG. 2, the ultraviolet projector 1 and the ultraviolet sensor 2 are provided at an arbitrary position on the conveyor 3 with the conveyor 3 interposed therebetween. Ultraviolet light emitted from the ultraviolet light projector 1 is received by the ultraviolet sensor 2, and the optical path of the ultraviolet light is transmitted through the glass bottle G flowing on the conveyor.
To cross. A container sensor 4 is provided near the ultraviolet projector 1 and the ultraviolet sensor 2, preferably at the same position or slightly upstream. The elimination means 5 and the cullet chute 6 are provided with the ultraviolet projector 1 and the ultraviolet sensor 2.
Is provided on the downstream side.
【００１７】コーティングが施されたガラスびんＧはコ
ンベア３上を矢印Ａ方向に流れてくる。容器センサ４が
ガラスびんＧの存在を検知すると、制御部に検査信号を
送る。検査信号を受けた制御部は、所定の検査タイミン
グで紫外線センサからの紫外線の量に関する信号、すな
わち紫外線センサ２の出力電圧を読みとり、その電圧が
設定値よりも小さければ良品、設定値よりも大きければ
不良品と判定する。図４は良品の場合で、検査タイミン
グにおいて電圧が設定値よりも小さくなっている。図５
は不良品の場合で、検査タイミングにおいて電圧が設定
値よりも大きくなっている。The coated glass bottle G flows on the conveyor 3 in the direction of arrow A. When the container sensor 4 detects the presence of the glass bottle G, it sends an inspection signal to the control unit. The control unit that has received the inspection signal reads a signal related to the amount of ultraviolet light from the ultraviolet sensor, that is, the output voltage of the ultraviolet sensor 2 at a predetermined inspection timing, and if the voltage is smaller than the set value, it is determined that the product is good and that it is larger than the set value. If it is defective, it is determined to be defective. FIG. 4 shows the case of a non-defective product, in which the voltage is lower than the set value at the inspection timing. FIG.
In the case of a defective product, the voltage is higher than the set value at the inspection timing.
【００１８】図３は、制御部における検査ルーチンの例
を示している。初期設定においては、合否判定のしきい
値である設定値や、検査タイミングなどを設定する。Ｇ
Ｔは検査信号の確認である。検査信号が入力されると設
定された検査タイミングで紫外線センサ２の出力電圧を
検出する。次ぎに検出した出力電圧を設定値と比較し、
設定値よりも大きければ不良と判定し、排除信号を出
す。設定値よりも小さければ良品と判定する。FIG. 3 shows an example of an inspection routine in the control unit. In the initial setting, a set value that is a threshold value for pass / fail determination, an inspection timing, and the like are set. G
T is confirmation of the inspection signal. When the inspection signal is input, the output voltage of the ultraviolet sensor 2 is detected at the set inspection timing. Next, compare the detected output voltage with the set value,
If it is larger than the set value, it is determined to be defective and an exclusion signal is output. If it is smaller than the set value, it is determined to be good.
【００１９】不良品と判定した場合、制御部は、その不
良品が排除手段５のところまで移動したときに排除手段
５を作動させ、これをカレットシュート６に排除する。
制御部には、あらかじめ、コンベア上のガラス容器が容
器センサ４の位置から排除手段５に移動するまでに速度
センサ７が発するパルス数が設定されている。したがっ
て、制御部が不良品を排除する場合、容器センサ４から
の検査信号を受けてから速度センサ７のパルス数をカウ
ントし、所定のパルス数をカウントしたときに排除手段
５を作動させれば、ちょうどそのときに不良品は排除手
段５の所に流れてくるので、確実に不良品を排除するこ
とができる。When it is determined that the defective product is defective, the control unit activates the removing unit 5 when the defective product moves to the removing unit 5 and removes the defective unit to the cullet chute 6.
In the control unit, the number of pulses emitted by the speed sensor 7 before the glass container on the conveyor moves from the position of the container sensor 4 to the exclusion means 5 is set in advance. Therefore, when the control unit eliminates a defective product, it counts the number of pulses of the speed sensor 7 after receiving the inspection signal from the container sensor 4 and activates the elimination means 5 when the predetermined number of pulses is counted. At that time, the defective product flows to the elimination means 5, so that the defective product can be reliably eliminated.
【００２０】また、実施例の場合、図４、５に示すよう
に、所定の確認タイミング（この場合は紫外線光路上に
ガラスびんが存在しないとき）が設定されている。制御
部は、検査信号を受けた後、所定の確認タイミングで紫
外線センサ２の出力電圧を検出し、その電圧が所定の値
よりも低い場合、紫外線投光器のランプが切れていると
判定し、警報を鳴らすようになっている。これにより、
紫外線投光器のランプ切れによる検査ミスを防ぐことが
できる。In the embodiment, as shown in FIGS. 4 and 5, a predetermined confirmation timing (in this case, when no glass bottle exists on the ultraviolet light path) is set. After receiving the inspection signal, the control unit detects the output voltage of the ultraviolet sensor 2 at a predetermined confirmation timing, and if the voltage is lower than the predetermined value, determines that the lamp of the ultraviolet projector is off, and issues an alarm. Is to sound. This allows
Inspection errors due to burnout of the lamp of the ultraviolet projector can be prevented.
【００２１】[0021]
【発明の効果】本発明は、目視によらずに全自動でコー
ティングの有無、又は、コーティング膜の良否を検査で
きるので、検査員を過酷な緊張から解放することができ
る。また、特に透明コーティングの場合であっても自動
的に検査できるから、全数検査が容易に可能であり、未
コーティング製品やコーティング不良の製品を出荷する
おそれがなくなる。According to the present invention, the presence or absence of the coating or the quality of the coating film can be inspected automatically without visual inspection, so that the inspector can be released from severe tension. In addition, since the inspection can be performed automatically even in the case of a transparent coating in particular, 100% inspection can be easily performed, and there is no risk of shipping uncoated products or products with poor coating.
【図１】実施例の検査装置の断面説明図である。FIG. 1 is an explanatory sectional view of an inspection apparatus according to an embodiment.
【図２】実施例の検査装置の平面説明図である。FIG. 2 is an explanatory plan view of the inspection apparatus of the embodiment.
【図３】制御部のプログラムの検査ルーチンの例の説明
図である。FIG. 3 is an explanatory diagram of an example of an inspection routine of a program of a control unit.
【図４】ガラスびんが紫外線センサの前を通過するとき
の紫外線センサの出力電圧の説明図である。FIG. 4 is an explanatory diagram of an output voltage of the ultraviolet sensor when the glass bottle passes in front of the ultraviolet sensor.
【図５】ガラスびんが紫外線センサの前を通過するとき
の紫外線センサの出力電圧の説明図である。FIG. 5 is an explanatory diagram of an output voltage of the ultraviolet sensor when the glass bottle passes in front of the ultraviolet sensor.
【図６】ガラスびんの透過率曲線の説明図である。FIG. 6 is an explanatory diagram of a transmittance curve of a glass bottle.
１ 紫外線投光器 ２ 紫外線センサ ３ コンベア ４ 容器センサ ５ 排除手段 ６ カレットシュート ７ 速度センサ DESCRIPTION OF SYMBOLS 1 Ultraviolet light projector 2 Ultraviolet sensor 3 Conveyor 4 Container sensor 5 Elimination means 6 Cullet chute 7 Speed sensor
Claims (5)
て紫外線を照射し、ガラス容器を透過した紫外線を紫外
線センサ２で受光し、その紫外線の量が設定値よりも多
いときに、ガラス容器のコーティングが不良であると判
定することを特徴とするガラス容器のコーティング検査
方法An ultraviolet ray is radiated from an ultraviolet ray projector 1 toward a glass container, and the ultraviolet ray transmitted through the glass container is received by an ultraviolet ray sensor 2. When the amount of the ultraviolet ray is larger than a set value, coating of the glass container is performed. For inspecting coating of a glass container, which is determined to be defective
向して設けた紫外線投光器１と紫外線センサ２と、紫外
線投光器１から照射されガラス容器を透過した紫外線を
受光した紫外線センサ２からの紫外線の量に関する信号
を検出し、その量が設定値よりも多いときにガラス容器
のコーティングが不良であると判定する制御部とを有す
ることを特徴とするガラス容器のコーティング検査装置2. An ultraviolet light projector 1 and an ultraviolet sensor 2, which are provided to face each other with a glass container supported on a table therebetween, and an ultraviolet light sensor 2 which receives ultraviolet light emitted from the ultraviolet light projector 1 and transmitted through the glass container. A control unit for detecting a signal relating to the amount of ultraviolet light, and determining that the coating of the glass container is defective when the amount is greater than a set value.
ンベア３上を流れてきたガラス容器を検知する容器セン
サ４と、容器センサ４付近のコンベアの両側に対向して
設けた紫外線投光器１、紫外線センサ２と、合否判定を
行う制御部とを有し、制御部は、容器センサ４からの容
器有りの信号（検査信号）を受けると所定の検査タイミ
ングで紫外線センサ２からの紫外線の量に関する信号を
検出し、その量が設定値よりも多いときにガラス容器の
コーティングが不良であると判定することを特徴とする
ガラス容器のコーティング検査装置3. A conveyor 3 for moving a glass container, a container sensor 4 for detecting the glass container flowing on the conveyor 3, and an ultraviolet projector 1 provided on both sides of the conveyor near the container sensor 4; The control unit includes a sensor 2 and a control unit that performs pass / fail determination. When the control unit receives a signal indicating the presence of a container (inspection signal) from the container sensor 4, the signal regarding the amount of ultraviolet light from the ultraviolet sensor 2 at a predetermined inspection timing. Characterized in that the coating of the glass container is determined to be defective when the amount is greater than a set value.
線投光器１及び紫外線センサ２の下流側のコンベア３に
近接して排除手段５を設け、前記制御部は不良と判定し
たガラス容器が排除手段５のところに移動してきたタイ
ミングで排除手段５を作動させ、不良のガラス容器を排
除することを特徴とするガラス容器のコーティング検査
装置4. The inspection apparatus according to claim 3, further comprising an exclusion unit provided near the conveyor on the downstream side of the ultraviolet light projector and the ultraviolet sensor, wherein the control unit removes the glass container determined to be defective. 5. A coating inspection apparatus for a glass container, wherein the removing means 5 is actuated at a timing when the glass container has moved to a position 5 to remove a defective glass container.
いて、前記制御部は前記紫外線センサ２からの紫外線の
量に関する信号を受け、その量が所定の値よりも少ない
ときに前記紫外線投光器のランプ切れであると判定する
ことを特徴とするガラス容器のコーティング検査装置5. The inspection apparatus according to claim 2, wherein the control unit receives a signal regarding the amount of ultraviolet light from the ultraviolet sensor 2, and the ultraviolet light projector when the amount is smaller than a predetermined value. Coating inspection apparatus for glass containers, which determines that the lamp has run out
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20425999A JP3226512B2 (en) | 1999-07-19 | 1999-07-19 | Glass container coating inspection method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20425999A JP3226512B2 (en) | 1999-07-19 | 1999-07-19 | Glass container coating inspection method and apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001033398A true JP2001033398A (en) | 2001-02-09 |
| JP3226512B2 JP3226512B2 (en) | 2001-11-05 |
Family
ID=16487509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20425999A Expired - Fee Related JP3226512B2 (en) | 1999-07-19 | 1999-07-19 | Glass container coating inspection method and apparatus |
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| Country | Link |
|---|---|
| JP (1) | JP3226512B2 (en) |
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