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Embedded bottle pre-form detection system and detection method

A detection system and detection method technology are applied in the field of embedded preform detection systems, which can solve the problems of fast and high-precision detection of difficult PET preforms, inefficient manual detection methods, and high false detection rate, and achieve a reduction in the entire liquid line. Loss, reduction in seal failure rate, and high stability

Inactive Publication Date: 2016-03-16
SHANDONG UNIV OF SCI & TECH
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Problems solved by technology

[0005] The purpose of the present invention is to provide an embedded preform detection system and detection method, which solves the problems of inefficient manual detection, high false detection rate, and difficulty in performing rapid and high-precision detection of PET preforms in existing systems

Method used

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  • Embedded bottle pre-form detection system and detection method
  • Embedded bottle pre-form detection system and detection method
  • Embedded bottle pre-form detection system and detection method

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Embodiment Construction

[0037] The present invention will be described in detail below in combination with specific embodiments.

[0038] The structure of the embedded preform detection system of the present invention is as follows: figure 1 As shown, the preform unscrambling device 1 is used to arrange and untangle the preforms after injection molding, and send the preforms to the input turntable 2, and the rotation of the input turntable 2 drives the preforms to enter the first detection turntable 3, and the first detection turntable 3 A preform side wall detection camera 5 and a bottle mouth thread side detection camera 6 are installed beside the preform delivery track. The first detection turntable 3 sends the preforms on the track to the second detection turntable 4, and the second detection turntable 4 Next to the delivery track, there are bottle mouth size inspection cameras 7, bottle mouth thread top inspection cameras 8, bottle mouth sealing ring inspection cameras 9, and preform bottom insp...

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Abstract

The invention discloses an embedded bottle pre-form detection system and a detection method. A bottle pre-form sidewall detection camera, a bottle opening thread side edge detection camera, a bottle opening size detection camera, a bottle opening thread top detection camera, a bottle opening sealing ring detection camera, and a bottle pre-form bottom detection camera are arranged on a detection line. Noise reduction, binarization and location fitting are carried out on the images through an image filtering algorithm based on morphology. The images are converted from an annular form to a strip form through a random sampling consistency algorithm. A registration operation is carried out on the images. Finally an Adaboost classifier is employed for defect identification. The embedded bottle pre-form detection system and the detection method have the advantages that the bottle blowing quality monitoring is transited from artificial detection to intelligent detection, the liquid state whole line loss is reduced by 5%, and the sealing fault ratio is reduced by 20%.

Description

technical field [0001] The invention belongs to the technical field of mechanical equipment, and relates to an embedded preform detection system and detection method. Background technique [0002] In the food, beverage, medicine, daily chemical products and other industries, PET (Polyethylene Terephthalate, polyethylene terephthalate) is the main material in the production and packaging process. my country's annual consumption of PET bottles alone reaches 20 million tons, and is increasing at a rate of 14% per year. The preform is the embryonic form of the formed PET bottle, which belongs to the tube embryo. At present, PET preforms still adopt the traditional manual inspection method, and manual inspection is slower than machine inspection, which cannot satisfy the fast-running production line; at the same time, due to the limitation of human visual subjectivity, the effect of manual inspection is difficult to guarantee. [0003] With the development of computer control t...

Claims

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Application Information

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IPC IPC(8): G01B11/00G01N21/89
Inventor 安新军苏娜祝长生赵慧奇姜辉
Owner SHANDONG UNIV OF SCI & TECH
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