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Crayfish grading and screening device based on machine vision detection

A technology of machine vision detection and visual detection device, which is applied in sorting and other directions, can solve the problems of high labor intensity, large error in the projection area of ​​crayfish and shrimp body, and time-consuming, so as to improve the detection accuracy, improve the detection accuracy, and reduce the score. The effect of picking costs

Active Publication Date: 2019-04-02
JIANGSU FOOD & PHARMA SCI COLLEGE
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a crayfish grading and screening device based on machine vision detection. , the problem of quality damage, and effectively solve the problem that the existing machine vision equipment has a large error in judging the projected area of ​​crayfish and shrimp, and cannot achieve accurate grading detection.

Method used

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  • Crayfish grading and screening device based on machine vision detection
  • Crayfish grading and screening device based on machine vision detection
  • Crayfish grading and screening device based on machine vision detection

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Embodiment Construction

[0035] Combined with specific attachments Figure 1-6 Briefly describe the design process of the present invention:

[0036] The vibrating hopper 21 of the present invention has a wide top and a narrow shape with an open mouth. The narrowest position on the bottom can only accommodate one crayfish of 15 to 40 grams. The bottom surface of the outlet has at least two crayfish lengths, bottom surface and horizontal plane. Parallel, the discharge port below the end of the vibrating hopper 21 is a rectangular opening the size of a crayfish can pass through. The opening can be opened and closed by the blanking cylinder 25 and the baffle B24. The vertical turret 41 has a total of eight material boxes 43 fixed on the horizontal hanging rod 42, corresponding to eight stations. The counterclockwise direction along the station disk 6 is the loading position, the adjustment and discharge level, the detection station, Blanking station A, blanking station B, blanking station C, reset station,...

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Abstract

The invention discloses a lobster classification and screening device based on machine vision detection. The lobster classification and screening device comprises a rack body (1), wherein a feeding device (2), a vision detection device (3), a screening device (4) and a negative pressure compression device (5) are arranged on the rack body (1); the feeding device (2) enters into the screening device (4) in a way of vibrating and blanking; dimensional inspection on to-be-detected lobsters in the screening device (4) is carried out through the vision detection device (3), and postures of lobstersare adjusted through the negative pressure compression device (5) in a detection process. According to the lobster classification and screening device disclosed by the invention, the problems that aconventional manual detection and screening means is time-consuming, large in labor strength and low in efficiency, and freshness of the lobsters and quality of the lobsters are easily damaged; moreover, the problem that errors are large when existing machine vision equipment judges the projection area of lobster bodies so as not to realize precise classification detection is effectively solved.

Description

Technical field [0001] The invention relates to the technical field of aquatic product processing equipment, in particular to a crayfish grading and screening device based on machine vision detection. Background technique [0002] Grading is one of the important processes of crayfish processing. At present, the classification of crayfish is mostly carried out manually. During the grading process, the measurement personnel manually use a special caliper or perform the measurement entirely by sight, and then classify and package according to the size. This method is not only time-consuming, labor-intensive, low-efficiency, and easy to use. The freshness and quality of crayfish are impaired, and it has a lot to do with the detection level and detection experience of the inspectors. The labor costs incurred are also one of the reasons for the increasing cost of crayfish. With the development of machine vision technology, the application of machine vision non-destructive testing tech...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B07C5/04B07C5/02B07C5/36
CPCB07C5/02B07C5/04B07C5/362B07C2501/0081
Inventor 孙铁波李萌王卫兵刘春月
Owner JIANGSU FOOD & PHARMA SCI COLLEGE
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