Search

CN-121970711-A - Fishing catch sorting mechanism and method

CN121970711ACN 121970711 ACN121970711 ACN 121970711ACN-121970711-A

Abstract

The invention provides a fish catch sorting mechanism and a method, wherein the fish catch sorting mechanism comprises a frame, a rolling sorting structure, a vibration sorting structure and a visual sorting structure, wherein the rolling sorting structure is arranged at the upper part of the frame and comprises a plurality of rollers which are sequentially arranged along a conveying direction and are arranged in parallel, sorting gaps are reserved between adjacent rollers and are used for carrying out first-stage sorting based on sizes on fish catches, the vibration sorting structure is arranged at the lower part of the frame and is positioned below the rolling sorting structure and is used for receiving the fish catches sorted by the rolling sorting structure and carrying out second-stage sorting, and the visual sorting structure is arranged at the discharge end of the vibration sorting structure and comprises an image acquisition device and an execution part capable of controlling actions and is used for identifying and sorting target fish catches. The fish catch sorting mechanism integrates three sorting principles of gap screening, vibration screening and image identification screening innovatively into a compact device, and realizes high-precision and high-efficiency sorting of multiple types and specifications of fish catches in a limited space.

Inventors

  • ZHAO YU
  • YI YONGXIAN
  • FANG YUANHAO
  • YUAN JIAZHEN

Assignees

  • 上海海洋大学
  • 嵊泗县海洋经济发展局(嵊泗县海洋与渔业局、嵊泗县海洋行政执法局、浙江嵊泗马鞍列岛海洋特别保护区管理局)

Dates

Publication Date
20260505
Application Date
20260327

Claims (10)

  1. 1. A catch sorting mechanism, comprising: A frame; The rolling separation structure is arranged at the upper part of the frame and comprises a plurality of rollers (33) which are sequentially arranged in parallel along the conveying direction, separation gaps are reserved between adjacent rollers (33) and used for carrying out first-stage size-based separation on the fishery products; The vibration sorting structure is arranged at the lower part of the frame and positioned below the rolling sorting structure and is used for receiving the fish gains sorted by the rolling sorting structure and carrying out second-stage sorting; the visual sorting structure is arranged at the discharge end of the vibration sorting structure and comprises an image acquisition device (316) and an execution component capable of controlling actions, and the visual sorting structure is used for identifying and sorting out target fish-winning objects.
  2. 2. A fish catch sorting mechanism according to claim 1, wherein the size of the sorting gap in the rolling sorting arrangement increases progressively in the conveying direction.
  3. 3. A fish catch sorting mechanism according to claim 1, characterised in that the vibrating sorting structure comprises multi-level screens of different mesh sizes, and the vibrating sorting structure and the frame are connected by vibrating springs (312) and driven by a vibrating motor (39).
  4. 4. A fish catch sorting mechanism according to claim 2, wherein the rolling sorting unit has a plurality of sorting sections having different sorting gaps in the conveying direction, and the plurality of layers of the screens in the vibration sorting unit are disposed respectively corresponding to the lower portions of the different sorting sections.
  5. 5. A catch sorting mechanism according to claim 4, wherein the sorting gap comprises a first stage gap, a second stage gap and a third stage gap which increase in sequence along the conveying direction; The screen cloth includes along the direction of delivery sets up and mesh size increases little clearance screen cloth (36), middle clearance screen cloth (35) and big clearance screen cloth (34) in proper order, wherein little clearance screen cloth (36) accept set up in the below in first stage clearance, middle clearance screen cloth (35) accept set up in the below in second stage clearance, big clearance screen cloth (34) accept set up in the below in third stage clearance.
  6. 6. A catch sorting mechanism according to claim 1, wherein the rolling sorting structure and/or the vibrating sorting structure is mounted on the frame by an adjustable support structure to adjust the height and tilt angle thereof.
  7. 7. A sorting mechanism for fish gains according to claim 6, characterized in that the adjustable support column is telescopically arranged, the adjustable support structure comprising a rolling adjustable support column (310) and a vibrating adjustable support column (311); The rolling sorting structure is respectively provided with vertical rolling adjustable support columns (310) below two sides of the conveying direction, and a bottom support (314) which is transversely arranged is arranged below the rolling adjustable support columns (310); The vibration sorting structure is characterized in that vertical vibration adjustable support columns (311) are respectively arranged below two sides of the conveying direction, a support base (315) which is transversely arranged is arranged below the vibration adjustable support columns (311), the support base (315) and the bottom support (314) are connected through a vibration spring (312), and a vibration motor (39) is arranged on the support base (315).
  8. 8. A catch sorting mechanism according to claim 4, wherein the actuating member of the visual sorting mechanism is a rotatable striking plate (317), the striking plate (317) being controlled to act in response to the identification of the image capturing means (316) to strike a target catch from a falling catch.
  9. 9. A method of sorting fish catch using a fish catch sorting mechanism as defined in any one of claims 1 to 8, comprising the steps of: s1, conveying mixed fish and catch matters to a rolling separation structure, and performing first-stage separation on the fish and catch matters based on size by utilizing separation gaps between rollers (33); S2, separating the fished objects with different sizes from the first stage, respectively falling into screens of corresponding layers in the vibration separation structure, and performing second stage separation through vibration; And S3, passing the second-stage sorted fish objects through a visual sorting unit, identifying target fish objects through image acquisition, and controlling an execution part to sort out the target fish objects.
  10. 10. A method of sorting fish according to claim 9, wherein in step S1 the size and efficiency of the first stage sorting is varied by adjusting the sorting gap between the rollers (33) and/or the inclination of the rolling sorting structure; In step S2, the vibration frequency and/or the inclination angle of the vibration sorting structure are/is adjusted to control the sorting efficiency.

Description

Fishing catch sorting mechanism and method Technical Field The invention relates to the technical field of fish catch sorting, in particular to a fish catch sorting mechanism and a method. Background With the continuous iterative upgrade of fresh-keeping freezing technology, the market demand for seafood is steadily increasing. The ocean fishing boat takes fishing with large specification and high yield as a core, plays an important role in basic supply of seafood markets, and takes off the core power of supplying seafood in coastal areas, and the ocean fishing boat has the characteristics of considerable single fishing yield and rich fishing products by virtue of the large-scale operation advantage although the single boat body is smaller. The fishing and sorting operation of the offshore fishing boat is mainly performed by traditional manual sorting, so that not only is the labor intensity of fishermen high, but also the problems of low sorting efficiency, insufficient standardization degree and the like exist; Meanwhile, the existing commercial fishing and separating equipment has the problems of large volume, complex structure and the like, is difficult to adapt to the limited operation space of an offshore fishing boat, and the existing separating machinery on the market mainly aims at the structure of single object, most of agricultural products select rolling and rolling drums, most of aquatic products are separated in a vibrating mode, and obvious short plates exist on the fine separating capacity of multi-product fishing and cannot meet the actual operation requirements. In order to solve the problems, the invention provides a fishing-obtained-object sorting mechanism and a method which are compact in structure and high in sorting efficiency and precision. Disclosure of Invention In order to solve the problems of the prior fishing and separating operation, the invention provides a multi-level fishing and separating mechanism and a multi-level fishing and separating method. According to one object of the present invention, there is provided a fish catch sorting mechanism comprising: A frame; The rolling separation structure is arranged at the upper part of the frame and comprises a plurality of rollers which are sequentially arranged in parallel along the conveying direction, and separation gaps are reserved between the adjacent rollers and used for carrying out first-stage size-based separation on the fishery products; The vibration sorting structure is arranged at the lower part of the frame and positioned below the rolling sorting structure and is used for receiving the fish gains sorted by the rolling sorting structure and carrying out second-stage sorting; the visual sorting structure is arranged at the discharge end of the vibration sorting structure and comprises an image acquisition device and an execution part capable of controlling actions, and the visual sorting structure is used for identifying and sorting out target fish gains. Preferably, in the rolling separation structure, the size of the separation gap gradually increases along the conveying direction. Preferably, the vibration sorting structure comprises multi-level screens with different mesh sizes, and the vibration sorting structure is connected with the frame through a vibration spring and driven by a vibration motor. Preferably, the rolling separation unit has a plurality of separation sections with different separation gaps along the conveying direction, and a plurality of layers of the screens in the vibration separation unit are respectively arranged corresponding to the lower parts of the different separation sections. Preferably, the sorting gap includes a first stage gap, a second stage gap, and a third stage gap that increase in sequence along the conveying direction; The screen cloth includes along the direction of delivery sets up and mesh size increases little clearance screen cloth, middle clearance screen cloth and big clearance screen cloth in proper order, wherein little clearance screen cloth accept set up in the below in first stage clearance, middle clearance screen cloth accept set up in the below in second stage clearance, big clearance screen cloth accept set up in the below in third stage clearance. Preferably, the rolling sorting structure and/or the vibrating sorting structure are mounted on the frame by an adjustable support structure to adjust the height and inclination thereof. Preferably, the adjustable support column is in telescopic arrangement, and the adjustable support structure comprises a rolling adjustable support column and a vibration adjustable support column; The rolling sorting structure is provided with vertical rolling adjustable support columns below two sides of the conveying direction respectively, and a bottom support which is transversely arranged is arranged below the rolling adjustable support columns; the vibration sorting structure is characterized in that vertical vibration a