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Appearance inspection method for white transparent silicon rubber seal ring

A technology of appearance inspection and sealing ring, which is applied in measuring devices, material analysis by optical means, instruments, etc., can solve problems such as low efficiency, high missed inspection rate, eye fatigue, etc., so as to improve inspection quality and reduce missed inspection rate. , the effect of improving the detection accuracy

Inactive Publication Date: 2014-04-02
南京金三力橡塑有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems in the existing technology that only rely on human visual inspection when detecting the appearance defects of white transparent silicone rubber sealing rings, resulting in low efficiency, easy fatigue to the eyes of inspectors, and high missed detection rate, the present invention provides a white transparent silicone rubber sealing ring. Appearance inspection method of rubber sealing ring, which can avoid visual fatigue, high detection efficiency, and low missed detection rate

Method used

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  • Appearance inspection method for white transparent silicon rubber seal ring

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A method for visual inspection of a white transparent silicone rubber sealing ring, the steps of which are:

[0035] (1) Process two flat plates 1 of the same size. One flat plate 1 is placed on the inspection platform. The color of the flat plate 1 is modulated by the three primary colors of R, G, and U in the computer, where the value of R is 38, and the value of G is 73, The value of U is 146; the material of plate 1 is PVC, and the size is 240mm long x 150mm wide x 1.5mm thick;

[0036] (2) Use a fluorescent lamp with a pure white light color, the illuminance of the fluorescent lamp is 7000lux, the length of the fluorescent lamp is twice the length of the plate 1, the fluorescent lamp is parallel to the inspection platform, and the distance between the fluorescent lamp and the inspection platform is 450mm;

[0037] (3) Spread the white transparent silicone rubber sealing ring 2 to be tested on the flat plate 1 on the inspection platform, and the distance between eac...

Embodiment 2

[0045] Same as Example 1, the difference is: the value of R in step (1) is 43, the value of G is 62, and the value of U is 170; the illuminance of the fluorescent lamp in step (2) is 7800lux, and the length of the fluorescent lamp is equal to the plate 1 The fluorescent lamp is parallel to the inspection platform, and the distance between the fluorescent lamp and the inspection platform is 500mm; the distance between each sealing ring in step (3) is 3mm. The specifications of the tested white transparent silicone rubber sealing ring are 12.5mm in outer diameter and 5.8mm in thickness. Immediately select 40 inspection workers from a certain rubber factory, and randomly divide them into two groups, with 20 people in each group. The first group of workers uses the method of the present invention to detect, and the working hours are 8 hours. On average, each worker inspects white transparent silicone rubber. There were 7928.2 pieces of sealing rings, and there was no visual fatigu...

Embodiment 3

[0047] Same as Example 1, the difference is: the value of R in step (1) is 30, the value of G is 90, and the value of U is 138; the illuminance of the fluorescent lamp in step (2) is 5600lux, and the length of the fluorescent lamp is equal to the plate 1 The length of the fluorescent lamp is parallel to the inspection platform, and the distance between the fluorescent lamp and the inspection platform is 400mm; the distance between each sealing ring in step (3) is 6mm. The specifications of the tested white transparent silicone rubber sealing ring are 14mm in outer diameter and 5.8mm in thickness. The two groups of workers in Example 1 are reversed, and the second group of workers adopts the method of the present invention to detect. The working time is 9 hours. On average, each worker inspects 8895.1 pieces of white transparent silicone rubber sealing rings. Visual fatigue phenomenon, only three workers had slight eyestrain, and they returned to normal after a 5-minute rest; t...

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Abstract

The invention belongs to the field of appearance inspection of rubber seal rings and discloses an appearance inspection method for a white transparent silicon rubber seal ring. The method comprises the following steps: (1) processing two flat plates with the same sizes and putting one flat plate on an inspection platform; (2) selecting a pure white daylight lamp; (3) flatly laying the white transparent silicon rubber seal ring to be detected on the flat plate on the inspection platform; (4) inspecting the appearance defect of the front surface of the white transparent silicon rubber seal ring; (5) covering the front surface of the white transparent silicon rubber seal ring by the other flat plate; (6) pressing the flat plate by both hands and turning at an angle of 180 degrees; (7) taking away one flat plate and inspecting the appearance defect of the other surface of the white transparent silicon rubber seal ring; (8) classifying unqualified products according to the defects of glue shortage, hole gas, sulfur marks and the like, and putting the classified unqualified products in different baskets. According to the method, the work efficiency of workers is improved, most importantly, the visual fatigue cannot be caused even if the detection is continuously conducted for 8 hours, and the omission rate is greatly reduced.

Description

technical field [0001] The invention belongs to the field of appearance inspection of rubber sealing rings, and in particular relates to an appearance inspection method of white transparent silicon rubber sealing rings. Background technique [0002] Silicone rubber sealing rings are widely used in various fields of modern automobiles, home appliances, medicine, industry and other industries. It can play the role of moisture absorption, insulation and sealing. Today, many parts in manufacturing are still inspected manually rather than automated. Especially in the testing of silicone rubber products, manual visual inspection is required. The testing is usually on a conventional workbench, one side of the product is checked by hand one by one, and then the other side of the product is checked one by one. On the one hand, it not only affects the inspection efficiency, but also easily causes visual fatigue. For the inspection of white transparent silicone rubber products, the d...

Claims

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Application Information

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IPC IPC(8): G01N21/958
Inventor 徐海潮芮巧红袁建兰周樱
Owner 南京金三力橡塑有限公司
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