JPH0486549A - Inspection method and device for resin molding - Google Patents
Inspection method and device for resin moldingInfo
- Publication number
- JPH0486549A JPH0486549A JP2202714A JP20271490A JPH0486549A JP H0486549 A JPH0486549 A JP H0486549A JP 2202714 A JP2202714 A JP 2202714A JP 20271490 A JP20271490 A JP 20271490A JP H0486549 A JPH0486549 A JP H0486549A
- Authority
- JP
- Japan
- Prior art keywords
- resin molded
- molded product
- image
- ultraviolet rays
- inspection
- 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
- 239000011347 resin Substances 0.000 title claims abstract description 58
- 229920005989 resin Polymers 0.000 title claims abstract description 58
- 238000007689 inspection Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims description 16
- 238000000465 moulding Methods 0.000 title abstract description 7
- 238000003384 imaging method Methods 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 11
- 230000001678 irradiating effect Effects 0.000 claims description 4
- 230000002950 deficient Effects 0.000 description 8
- 238000010191 image analysis Methods 0.000 description 8
- 230000015654 memory Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011179 visual inspection Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000007723 transport mechanism Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 206010064127 Solar lentigo Diseases 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000003889 eye drop Substances 0.000 description 1
- 229940012356 eye drops Drugs 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003703 image analysis method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 229940127557 pharmaceutical product Drugs 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Closed-Circuit Television Systems (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、薬品や化粧品の容器等に使用される樹脂成形
品の焼は焦げや、黒点を検出して良否判定する検査方法
及び検査装置に関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention provides an inspection method and an inspection device for detecting scorch marks and black spots on resin molded products used for containers for medicines, cosmetics, etc. and determining pass/fail. It is related to.
上述の如き樹脂成形品は、原料としての樹脂ペレットに
熱をかけ、金型を用いて所望の形に成形することによっ
て大量に生産されるが、その際、熱による焼は焦げや黒
点が発生することかある。従来、このような焼は焦げや
黒点の検出は、機械化・自動化か難しく目視検査に頼ら
ざるを得なかった。Resin molded products such as those mentioned above are produced in large quantities by applying heat to resin pellets as a raw material and molding them into the desired shape using a mold, but at this time, burning due to heat may cause burns and black spots. There's something to do. In the past, detection of burnt spots and sunspots was difficult to mechanize or automate and had to rely on visual inspection.
しかしながら、目視検査は熟練検査員を必要とし、局所
的疲労を伴う単調作業であること、検査レベルの管理が
難しいこと等の欠点を有するため、自動化は避けられな
い課題である。However, visual inspection requires skilled inspectors, is a monotonous task that causes local fatigue, and has drawbacks such as difficulty in managing inspection levels, so automation is an unavoidable issue.
一方、可視光線を当てて樹脂成形品の焼は焦げや黒点を
見つける場合、樹脂成形品が透明もしくは半透明の容器
であると、容器表面で反射する光、容器内部で反射する
光、反射せずに透過する光の割合か条件によって変化し
、均一な反射光が得られない為に、自動的に上記の検査
を行うことは困難であった。On the other hand, when detecting burnt spots or black spots on resin molded products by exposing them to visible light, if the resin molded product is a transparent or translucent container, the light reflected on the surface of the container, the light reflected inside the container, and the It has been difficult to automatically perform the above inspection because the proportion of light that passes through the mirror changes depending on the conditions, and uniform reflected light cannot be obtained.
本発明の目的は、樹脂成形品の焼は焦げや黒点を自動的
に検査する際に有効な検査方法及びその検査装置を提供
することにある。An object of the present invention is to provide an effective inspection method and inspection device for automatically inspecting resin molded products for burnt spots and black spots.
請求項１乃至２に記載する本発明に係る樹脂成形品の検
査方法の第１の特徴は、樹脂成形品に紫外線を照射して
、その樹脂成形品からの光を解析する点にある。A first feature of the method for inspecting a resin molded product according to the present invention described in claims 1 and 2 is that the resin molded product is irradiated with ultraviolet rays and the light from the resin molded product is analyzed.
そして第２の特徴は第１の特長方法にあって、前記紫外
線が照射された前記樹脂成形品を撮像し、その画像を解
析する点にある。A second feature of the method of the first feature is that the resin molded product irradiated with the ultraviolet rays is imaged and the image is analyzed.
請求項３乃至４に記載する本発明に係る樹脂成形品の検
査装置の第１の特徴構成は、樹脂成形品に紫外線を照射
する紫外線照射手段と、前記紫外線を照射された樹脂成
形品を撮像する撮像手段と、その撮像手段によって得ら
れる画像情報を明暗に応じて二値化する画像処理装置と
、二値化された画像情報から前記樹脂成形品の良否を判
定する判定手段を備えた点にある。A first characteristic configuration of the resin molded product inspection apparatus according to the present invention described in claims 3 and 4 includes an ultraviolet irradiation means for irradiating the resin molded product with ultraviolet rays, and an image pickup unit for imaging the resin molded product irradiated with the ultraviolet rays. an image processing device that binarizes image information obtained by the imaging means according to brightness and darkness; and a determination means that determines the quality of the resin molded product from the binarized image information. It is in.
そして第２の特徴構成は第１の特徴構成に加えて、前記
樹脂成形品を所定姿勢で順次供給する供給機構と、その
供給機構にて供給された樹脂成形品を搬送する搬送機構
とか設けられ、前記紫外線照射手段が、前記搬送機構に
て搬送される樹脂成形品に紫外線を照射するように設け
られている点にある。In addition to the first characteristic configuration, the second characteristic configuration includes a supply mechanism that sequentially supplies the resin molded products in a predetermined posture, and a conveyance mechanism that transports the resin molded products supplied by the supply mechanism. , the ultraviolet irradiation means is provided so as to irradiate the resin molded product transported by the transport mechanism with ultraviolet rays.
本発明による樹脂成形品の検査方法の第１の特徴によれ
ば、樹脂成形品に紫外線を照射すると、焼は焦げや黒点
から蛍光か発せられ、その蛍光を解析することによって
、樹脂成形品の良否が判定される。According to the first feature of the resin molded product inspection method according to the present invention, when a resin molded product is irradiated with ultraviolet rays, fluorescence is emitted from burnt spots and black spots, and by analyzing the fluorescence, it is possible to inspect the resin molded product. It is judged whether it is good or bad.
そして、第２の特徴によれば、前記紫外線か照射された
前記樹脂成形品を撮像し、その画像を解析することによ
って樹脂成形品の良否か判定される。According to the second feature, the resin molded product irradiated with the ultraviolet rays is imaged, and the image is analyzed to determine whether the resin molded product is good or bad.
本発明における樹脂成形品の検査装置の第１の特徴構成
によれば、紫外線照射手段によって樹脂成形品に紫外線
が照射され、撮像手段によって前記紫外線を照射された
樹脂成形品は撮像され、得られた画像情報は画像処理装
置によって明暗に応じて二値化され、二値化された画像
情報から判定手段が前記樹脂成形品の良否を判定する。According to the first characteristic configuration of the resin molded product inspection apparatus of the present invention, the resin molded product is irradiated with ultraviolet rays by the ultraviolet irradiation means, and the resin molded product irradiated with the ultraviolet rays is imaged by the imaging means. The image information is binarized by an image processing device according to brightness and darkness, and a determining means determines the quality of the resin molded product from the binarized image information.
そして第２の特徴構成によれば、供給機構によって所定
姿勢て順次供給される樹脂成形品は、搬送機構にて搬送
されながら、紫外線照射手段によって紫外線を照射され
る。その後の作用は第１の特徴構成と同しである。According to the second characteristic configuration, the resin molded products sequentially supplied in a predetermined posture by the supply mechanism are irradiated with ultraviolet rays by the ultraviolet ray irradiation means while being conveyed by the conveyance mechanism. The subsequent operation is the same as the first characteristic configuration.
本発明における樹脂成形品の検査方法の第１の特徴によ
れば、樹脂成形品に紫外線を照射して、焼は焦げや黒点
から発せられる蛍光を解析することによって検査するの
で、自然光や通常の照明による反射光によって検査する
場合と異なり、透明や半透明の樹脂成形品であっても、
安定した光か得られるので、検査レベルの維持・管理が
出来やすい。According to the first feature of the resin molded product inspection method of the present invention, the resin molded product is inspected by irradiating ultraviolet rays and analyzing the fluorescence emitted from burnt spots and black spots. Unlike inspections using reflected light from lighting, even transparent or semi-transparent resin molded products can be inspected.
Since stable light is obtained, inspection levels can be easily maintained and managed.
そして、第２の特徴によれば、前記紫外線が照射された
樹脂成形品を撮像し、その画像を解析することによって
樹脂成形品の良否を判定するので、第１の特徴方法によ
る効果に加えて、焼は焦げや黒点の大きさも判別しなが
ら一層適正な検査を行うことが可能となる。According to the second feature, the resin molded product irradiated with the ultraviolet rays is imaged and the quality of the resin molded product is determined by analyzing the image, so in addition to the effect of the first feature method, This makes it possible to perform more appropriate inspections while also determining the size of burnt spots and black spots.
本発明における樹脂成形品の検査装置の第１の特徴構成
によれば、樹脂成形品の良否を自動的に判別できること
になる。According to the first feature of the resin molded product inspection apparatus of the present invention, it is possible to automatically determine whether the resin molded product is good or bad.
そして第２の特徴構成によれば、量産ラインにて製造さ
れる樹脂成形品を自動的に順次検査し、良否を判別でき
ることになる。According to the second feature, resin molded products manufactured on a mass production line can be automatically sequentially inspected to determine whether they are good or bad.
以下本発明による樹脂成形品の検査装置を、点眼液等の
医薬品の容器に適用した実施例について説明する。EMBODIMENT OF THE INVENTION Below, an example will be described in which the inspection apparatus for resin molded products according to the present invention is applied to containers for pharmaceutical products such as eye drops.
かかる医薬品の製造は、樹脂成形品である容器の成形か
ら薬液の充填まで無菌条件下で自動的に行われる。容器
は、ポリエチレン、ポリプロピレン、ＰＥＴ等の原料ペ
レットを加熱後、金型を用いて所望の形に成形して作ら
れるが、樹脂成形時にまれに発生する焼は焦げや黒点に
よる不良品は、薬液充填後の外観検査において行う。本
実施例の検査装置は、この外観検査に用いられるもので
あり、第１図に平面図、第２図に側面図を示す。The production of such pharmaceuticals is automatically carried out under aseptic conditions, from the molding of the container, which is a resin molded product, to the filling of the drug solution. Containers are made by heating raw material pellets of polyethylene, polypropylene, PET, etc., and then molding them into the desired shape using a mold. However, defective products due to scorch or black spots that rarely occur during resin molding are treated with chemical solutions. Performed during visual inspection after filling. The inspection apparatus of this embodiment is used for this external appearance inspection, and FIG. 1 shows a plan view and FIG. 2 shows a side view.
薬液を充填し、加熱密封した容器（１）は、ベルトコン
ベア（２ａ）によって正立姿勢で順次供給され、引続き
係止搬送用の回転体（２ｂ）にて搬送されるに伴って係
止板（２Ｃ）にて横倒れ姿勢に姿勢変更されながら、受
渡し箇所（イ）において、搬送装置としてのコンベア（
３）に一体移動するように備えさせた白色の樹脂製受皿
（４）の上に順次供給される。つまり、前記ベルトコン
ベヤ（２ａ）、回転体（２ｂ）、係止板（２Ｃ）にて、
容器（１）を順次所定姿勢で供給する供給機構（２）か
構成され、そして、受皿（４）を備えたコンベヤ（３）
が供給機構（２）にて供給された容器（１）を搬送する
搬送機構として機能するようになっている。Containers (1) filled with medicinal solution and heat-sealed are sequentially supplied in an upright position by a belt conveyor (2a), and as they are subsequently conveyed by a rotary body (2b) for locking and conveying, a locking plate is attached. At (2C), the posture is changed to the sideways posture, and at the delivery point (A), the conveyor (
3) are sequentially supplied onto a white resin saucer (4) which is provided so as to move together with the container. In other words, the belt conveyor (2a), the rotating body (2b), and the locking plate (2C),
A conveyor (3) comprising a supply mechanism (2) for sequentially supplying the containers (1) in a predetermined posture and provided with a receiving tray (4).
functions as a transport mechanism for transporting the container (1) supplied by the supply mechanism (2).
尚、上述の如くコンベヤ（３）に容器（１）を供給する
際、容器内部の薬液の飛沫が容器内壁（空洞部）に付着
することがあり、これか誤検査の原因となる虞れがある
。このため、コンベヤ（３）にて搬送される容器（１）
を可撓性部材（５）の接触によって回転させることによ
り、前記飛沫を除去するようになっている。但し、本実
施例で用いられる容器（１）は円筒形状である。In addition, when feeding the container (1) to the conveyor (3) as mentioned above, droplets of the chemical solution inside the container may adhere to the inner wall (hollow part) of the container, which may cause an incorrect inspection. be. For this reason, the container (1) transported by the conveyor (3)
The droplets are removed by rotating the flexible member (5) by contact with the flexible member (5). However, the container (1) used in this example has a cylindrical shape.
次に、受皿（４）上の容器（１）は検査ゾーン（ロ）に
移動する。検査ゾーン（ロ）には、受皿（４）の進行方
向に沿って斜め上方両側に、紫外線照射手段としての高
周波ブラックライト（６）が、受皿（４）上の容器（１
）に照射するように設けられている。そして、撮像手段
としての高速度シャッターカメラ（７）、 （８）が、
横倒れ姿勢の容器（１）の側面及び底面を撮像するよう
に、夫々上方及び側方に設けられている。さらに、外光
を遮断すると共に、照射される紫外線を反射し、均一化
するための反射板（９）が設けられている。Next, the container (1) on the saucer (4) is moved to the inspection zone (b). In the inspection zone (b), high frequency black lights (6) as ultraviolet irradiation means are installed diagonally upward on both sides along the traveling direction of the saucer (4).
). And high-speed shutter cameras (7) and (8) as imaging means,
They are provided above and on the sides, respectively, so as to capture images of the side and bottom surfaces of the container (1) in a sideways posture. Further, a reflecting plate (9) is provided to block external light and reflect and uniformize the irradiated ultraviolet rays.
又、容器（１）の側面（３６０度）を４回に分けて撮像
すべく、４台の側面撮像用高速度シャッターカメラ（７
）と、容器（１）を水平軸回りに約９０度回転させるた
めの回転ローラ（１０ａ）を備えた３台の回転装置（１
０）とが受皿（４）の進行方向に沿って交互に設置され
ている。In addition, in order to image the side surface (360 degrees) of the container (1) divided into four times, four high-speed shutter cameras for side surface imaging (7
) and three rotating devices (1
0) are installed alternately along the direction of movement of the saucer (4).
容器（１）の底面撮像用高速度シャッターカメラ（８）
は１台でもよいが、本実施例では２台を用いて検査精度
を上げている。High-speed shutter camera (8) for imaging the bottom of the container (1)
Although one unit may be sufficient, in this embodiment, two units are used to improve the inspection accuracy.
さて、容器（１）に高周波ブラックライト（６）で紫外
線を照射すると、容器（１）の不良原因である前述の焼
は焦げや黒点から蛍光か発する事が、研究の結果見出さ
れた。本検査方法及び検査装置は、この蛍光を高速度シ
ャッターカメラ（７）、 （８）でとらえ、得られた画
像を後述するように解析することによって、容器（１）
の良否を判定するものであって、不良と判定された容器
はブツシャ−（ｌｌａ）を備えたは排出装置（１１）に
よって受皿（４）から除かれて不良品ストッカ（１２）
に溜められる。良品はそのままコンベア（３）の終端ま
で搬送され、次の工程へ移される。尚、高周波ブラック
ライト（６）による紫外線照射、高速度シャッターカメ
ラ（７）、 （８）による容器の撮像、回転装置（１０
）による容器（１）の回転、良否判定後の排出装置（１
１）による不良品の排出といった一連の動作はコンベア
（３）の搬送速度に合わせて、タイミングをとりながら
行われる。Now, as a result of research, it has been found that when the container (1) is irradiated with ultraviolet light using a high frequency black light (6), fluorescence is emitted from the burnt spots and black spots mentioned above, which are the causes of defects in the container (1). The present inspection method and inspection device captures this fluorescence with high-speed shutter cameras (7) and (8), and analyzes the obtained images as described below.
Containers that are determined to be defective are removed from the tray (4) by a discharging device (11) equipped with a butcher (lla) and placed in a defective product stocker (12).
It is stored in Good products are conveyed as they are to the end of the conveyor (3) and transferred to the next process. In addition, ultraviolet irradiation with a high-frequency black light (6), imaging of the container with high-speed shutter cameras (7) and (8), and rotation device (10)
) to rotate the container (1) and discharge device (1) after pass/fail judgment.
A series of operations such as discharging defective products in step 1) are performed with timing in accordance with the conveyance speed of the conveyor (3).
次に、前記高速度シャッターカメラ（７）、 （８）に
よって撮像された画像の解析方法について、第３図に基
づいて説明する。前述したように、本検査装置では、合
計６台の高速度シャツタカメラ（７）、 （８）か使用
され、これらで撮像された画像データは、−旦、夫々に
接続されたビデオメモリ（２０）に記憶される。これら
６台のビデオメモリは２台ずつの３組に分けられ、３台
の画像解析装置（２１）に夫々接続されている。画像解
析装置（２１）は、ビデオメモリの画像データを取り込
んで各画素の明暗に応じたアナログ値を定められたしき
い値で二値化する画像処理装置（２２）と、二値化され
た画像情報から撮像対象である容器（１）の良否判定を
行う判定手段（２３）を備える。Next, a method for analyzing images captured by the high-speed shutter cameras (7) and (8) will be explained based on FIG. 3. As mentioned above, this inspection device uses a total of six high-speed shutter cameras (7) and (8), and the image data captured by these cameras is stored in the video memory ( 20). These six video memories are divided into three groups of two, each connected to three image analysis devices (21). The image analysis device (21) includes an image processing device (22) that takes in image data from the video memory and binarizes analog values corresponding to the brightness and darkness of each pixel using a predetermined threshold; A determining means (23) is provided for determining the quality of the container (1) to be imaged based on the image information.
判定手段（２３）は、前述の二値化画像情報から、容器
（１）の焼は焦げや黒点に相当する部分を抽出し、その
面積か予め定められた面積より大きいときに、その容器
（１）は不良品であると判断する。The determining means (23) extracts a portion corresponding to burnt spots or black spots on the container (1) from the above-mentioned binary image information, and when the area thereof is larger than a predetermined area, the container ( 1) is determined to be a defective product.
３台の画像解析装置（２１）からシーケンサ（２４）に
送られる良否判定信号は、夫々の画像解析装置（２１）
に接続された２つのビデオメモリの２つの画像について
、少なくとも一つの画像から不良判定がでると、不良を
示す信号となる。The pass/fail determination signals sent from the three image analysis devices (21) to the sequencer (24) are sent to each image analysis device (21).
If at least one of the two images in the two video memories connected to the video memory is determined to be defective, it becomes a signal indicating the defect.
シーケンサ（２４）は３台の画像解析装置（２１）から
の良否判定信号のうち、少なくとも一つが不良を示す信
号であれば、最終的に、その撮像された容器が、不良品
であると判断し、前記の排出装置（１１）を操作して、
不良品を排出する。If at least one of the pass/fail determination signals from the three image analysis devices (21) indicates a defect, the sequencer (24) ultimately determines that the imaged container is a defective product. and operate the ejection device (11),
Dispose of defective products.
シーケンサ（２４）には、コンベア（３）の搬送速度に
応じたパルス信号が入力され、搬送速度とタイミングを
とりながら、高周波ブラックライト（６）、高速度シャ
ッタカメラ（７）、 （８）、回転装置（１０）、排出
装置（１１）、及び画像解析装置（２１）を制御する。A pulse signal corresponding to the conveyance speed of the conveyor (3) is input to the sequencer (24), and the high frequency black light (6), high speed shutter camera (7), (8), It controls the rotation device (10), the ejection device (11), and the image analysis device (21).
前述の実施例は樹脂成形品である容器（１）に液を充填
し、その外観検査を行う一連化自動ラインについてのも
のであるが、本発明はこれに限るものではなく、要する
に、樹脂成形品の焼は焦げや黒点を検出する方法として
、利用できるものである。また、画像解析は実施例のよ
うにコンピュータを用いた画像解析装置によらずに、例
えば、デイスプレィに画像を表示させ、検査員か定めら
れた検査規格にしたがって、目視で良否を判定するもの
であってもよい。Although the above-mentioned embodiment relates to a serial automatic line for filling a container (1) which is a resin molded product with liquid and inspecting its appearance, the present invention is not limited to this, and in short, the present invention is not limited to this. Burning the product can be used as a method to detect burnt spots and black spots. In addition, image analysis does not involve using a computer-based image analysis device as in the example, but instead involves displaying an image on a display and visually determining whether the image is good or bad by an inspector or according to established inspection standards. There may be.
あるいは、樹脂成形品に紫外線を当てて得られる光を、
画像として処理する方法に限らず、例えば、単に得られ
る光の強度によって良否を判定するものであってもよい
。これは対象の樹脂成形品かかなり小さい物体である場
合の検査方法として考えられる。Alternatively, the light obtained by applying ultraviolet rays to a resin molded product,
The method is not limited to processing the image as an image, and for example, the quality may be determined simply based on the intensity of the obtained light. This can be considered as an inspection method when the object is a resin molded product or a fairly small object.
尚、特許請求の範囲の項に図面との対照を便利にする為
に符号を記すが、該記入により本発明は添付図面の構造
に限定されるものではない。Incidentally, although reference numerals are written in the claims section for convenient comparison with the drawings, the present invention is not limited to the structure shown in the accompanying drawings.
第１図乃至第３図は本発明の実施例に係る樹脂成形品の
検査装置に関する図であって、第１図はその平面図、第
２図は側面図、第３図は画像解析方法を示すブロック図
である。
（１）・・・・・・樹脂成形品、（２）・・・・・・供
給機構、（３）・・・・・・搬送機構、（６）・・・・
・・紫外線照射手段、（７）、 （８）・・・・・・撮
像手段、（２２）・・・・・・画像処理装置、（２３）
・・・・・・判定手段。1 to 3 are diagrams relating to an inspection apparatus for resin molded products according to an embodiment of the present invention, in which FIG. 1 is a plan view thereof, FIG. 2 is a side view thereof, and FIG. 3 is an illustration of an image analysis method. FIG. (1)...Resin molded product, (2)...Feeding mechanism, (3)...Transportation mechanism, (6)...
...Ultraviolet irradiation means, (7), (8)...Imaging means, (22)...Image processing device, (23)
・・・・・・Judgment means.
Claims (1)
形品（１）からの光を解析する樹脂成形品の検査方法。 ２、請求項１記載の検査方法であって、前記紫外線が照
射された前記樹脂成形品（１）を撮像し、その画像を解
析する樹脂成形品の検査方法。 ３、樹脂成形品（１）に紫外線を照射する紫外線照射手
段（６）と、前記紫外線を照射された樹脂成形品（１）
を撮像する撮像手段（７）、（８）と、その撮像手段（
７）、（８）によって得られる画像情報を明暗に応じて
二値化する画像処理装置（２２）と、二値化された画像
情報から前記樹脂成形品の良否を判定する判定手段（２
３）を備えた樹脂成形品の検査装置。 ４、請求項３記載の検査装置であって、前記樹脂成形品
（１）を所定姿勢で順次供給する供給機構（２）と、そ
の供給機構（２）にて供給された樹脂成形品（１）を搬
送する搬送機構（３）とが設けられ、前記紫外線照射手
段（６）が、前記搬送機構（３）にて搬送される樹脂成
形品（１）に紫外線を照射するように設けられている樹
脂成形品の検査装置。[Scope of Claims] 1. A method for inspecting a resin molded product by irradiating the resin molded product (1) with ultraviolet rays and analyzing the light from the resin molded product (1). 2. The inspection method of a resin molded article according to claim 1, wherein the resin molded article (1) irradiated with the ultraviolet rays is imaged and the image is analyzed. 3. Ultraviolet irradiation means (6) for irradiating the resin molded product (1) with ultraviolet rays, and the resin molded product (1) irradiated with the ultraviolet rays.
Imaging means (7) and (8) for imaging the image, and the imaging means (
7), an image processing device (22) that binarizes the image information obtained by (8) according to brightness and a judgment means (22) that judges the quality of the resin molded product from the binarized image information.
3) An inspection device for resin molded products. 4. The inspection device according to claim 3, further comprising: a supply mechanism (2) that sequentially supplies the resin molded product (1) in a predetermined posture; ) is provided, and the ultraviolet ray irradiation means (6) is provided to irradiate ultraviolet rays to the resin molded product (1) conveyed by the conveyance mechanism (3). Inspection equipment for resin molded products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2202714A JPH0820380B2 (en) | 1990-07-30 | 1990-07-30 | Inspection device for resin molded products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2202714A JPH0820380B2 (en) | 1990-07-30 | 1990-07-30 | Inspection device for resin molded products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0486549A true JPH0486549A (en) | 1992-03-19 |
| JPH0820380B2 JPH0820380B2 (en) | 1996-03-04 |
Family
ID=16461941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2202714A Expired - Lifetime JPH0820380B2 (en) | 1990-07-30 | 1990-07-30 | Inspection device for resin molded products |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0820380B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007085907A (en) * | 2005-09-22 | 2007-04-05 | Mitsubishi Electric Engineering Co Ltd | Device for inspecting filling container |
| JP2010045937A (en) * | 2008-08-18 | 2010-02-25 | Aisin Aw Co Ltd | Device and method for inspecting unwanted varnish |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4085999B2 (en) * | 2004-03-22 | 2008-05-14 | アヲハタ株式会社 | Inspection method of sealed container and manufacturing method of sealed container product with contents |
| JP5510409B2 (en) * | 2011-08-01 | 2014-06-04 | トヨタ自動車株式会社 | Unnecessary varnish inspection device and inspection method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4984696A (en) * | 1972-12-20 | 1974-08-14 | ||
| JPS57118145A (en) * | 1980-09-19 | 1982-07-22 | Trw Inc | Defect analysis system |
-
1990
- 1990-07-30 JP JP2202714A patent/JPH0820380B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4984696A (en) * | 1972-12-20 | 1974-08-14 | ||
| JPS57118145A (en) * | 1980-09-19 | 1982-07-22 | Trw Inc | Defect analysis system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007085907A (en) * | 2005-09-22 | 2007-04-05 | Mitsubishi Electric Engineering Co Ltd | Device for inspecting filling container |
| JP2010045937A (en) * | 2008-08-18 | 2010-02-25 | Aisin Aw Co Ltd | Device and method for inspecting unwanted varnish |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0820380B2 (en) | 1996-03-04 |
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