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CN-120814559-B - Self-adaptive positioning mechanism for bleeding points of channel catfish gill part

CN120814559BCN 120814559 BCN120814559 BCN 120814559BCN-120814559-B

Abstract

The invention discloses a self-adaptive positioning mechanism for bleeding points of a channel catfish gill part, which comprises a horizontal sliding block seat, a knife holder, a knife module and a knife module, wherein the horizontal sliding block seat is in transmission connection with a driving part and moves forwards and backwards under the driving of the driving part, the knife holder is connected with the horizontal sliding block seat in a left-right sliding manner and can perform self-adaptive movable adjustment relative to the horizontal sliding block seat, the sliding direction of the knife holder is perpendicular to the sliding direction of the horizontal sliding block seat, spring seats are fixedly connected on the left side and the right side of the horizontal sliding block seat, spring groups are connected on the left side and the right side of the knife holder, the left side/the right side of the knife holder is elastically connected with the spring seats on the left side/the right side through the spring groups, and the knife module is used for puncturing fish bodies and can be adjusted in a self-adaptive manner and is connected with the knife holder in a rotatable and movable manner. By adopting the scheme of the invention, the difficult problems of identifying and positioning the bleeding point of the gill part in the prior art can be solved.

Inventors

  • WANG XIAOHUI
  • ZHENG XIAOWEI
  • TAN JIAYU
  • SHEN JIAN
  • OUYANG JIE
  • NI JIN

Assignees

  • 中国水产科学研究院渔业机械仪器研究所

Dates

Publication Date
20260505
Application Date
20250814

Claims (6)

  1. 1. Self-adaptive positioning mechanism for bleeding points of channel catfish gill parts, which is characterized by comprising: A driving part (1) controlled by the electric control system; The horizontal sliding block seat (2), the horizontal sliding block seat (2) is connected with the driving component (1) in a transmission way, and the horizontal sliding block seat is driven by the driving component (1) to move forwards and backwards; The horizontal sliding block seat (2) is connected with the tool apron (5) in a left-right sliding manner, the sliding direction of the tool apron (5) is perpendicular to the sliding direction of the horizontal sliding block seat (2), the left side and the right side of the horizontal sliding block seat (2) are fixedly connected with the spring seat (3), the left side and the right side of the tool apron (5) are connected with the spring group (4), and the left side/right side of the tool apron (5) is elastically connected with the left side/right side spring seat (3) through the spring group (4); The cutter module (6) is used for puncturing the fish body (8), the cutter module (6) comprises a cutter fixing seat (602) and a cutter (601) fixedly connected with the cutter fixing seat (602), the tip of the cutter (601) faces the direction of the fish body (8), and the cutter fixing seat (602) is connected with the cutter seat (5) in a rotary and movable mode; The top block fixing seat (605), the top block fixing seat (605) is connected with the cutter fixing seat (602) in a front-back sliding way; The gill cover top block (603) is used for abutting against a gill cover of the fish body (8), a gap is reserved between the gill cover top block (603) and the cutter (601), the gill cover top block (603) is fixedly connected to the front side of the top block fixing seat (605), the front end of the gill cover top block (603) forwards exceeds the tip of the cutter (601), and the top of the gill cover top block (603) is spherical; The telescopic pivot (607), the guiding hole that the telescopic pivot (607) is inserted and allocated in the tool fixing seat (602) movably back and forth, the telescopic pivot (607) is sleeved with a first spring (606) that can be telescopic back and forth, two ends of the first spring (606) respectively prop against the tool fixing seat (602) and the ejector block fixing seat (605), and a pressure sensor (604) is arranged at the tail end of the guiding hole of the tool fixing seat (602); When the fish body (8) is punctured, the gill cap ejector block (603) abuts against the fish body (8) so that the telescopic pivot (607) abuts against the pressure sensor (604) to trigger the pressure sensor (604) to generate a corresponding pressure signal and feed the corresponding pressure signal back to the electric control system to regulate and control the driving component (1); defining k 1 as the elastic coefficient of the first spring (606), defining k 2 、k 3 as the elastic coefficients of the second spring (4 a) and the third spring (4 b), wherein k 2 =k 3 =k is required to be satisfied, and 0<0.17k < k 1 is less than or equal to 0.45N/mm.
  2. 2. The self-adaptive positioning mechanism for the bleeding points of the gills of channel catfish according to claim 1, wherein a cutter holder mounting groove (5 b) is formed in the front side of the cutter holder (5), two opposite intrados (5 d) are formed in the inner side wall of the cutter holder mounting groove (5 b), two opposite cambered surfaces are formed in the outer surface of the cutter holder (602), the cross-sectional shape of the cutter holder (602) is matched with the outline shape of the cutter holder mounting groove (5 b), and the two cambered surfaces on the outer surface of the cutter holder (602) are respectively and slidably attached to the two intrados (5 d) of the inner wall of the cutter holder mounting groove (5 b) so that the cutter holder (602) and a cutter (601) thereof can be adjusted in a rotary motion relative to the cutter holder (5).
  3. 3. The self-adaptive positioning mechanism for the bleeding points of the gills of channel catfish according to claim 2, wherein the cutter (601) is fixed at the central position of the front end of the cutter fixing seat (602) and extends forwards, and a blood guiding groove (601 a) for guiding out blood is formed in the surface of the cutter (601).
  4. 4. The self-adaptive positioning mechanism for the bleeding points of the channel catfish gills according to claim 1, wherein the upper surface of the horizontal sliding block seat (2) is provided with a guide rail (2 a) extending along the moving direction of the tool apron (5), the bottom of the tool apron (5) is provided with a lower guide groove (5 c) which is penetrated left and right, and the guide rail (2 a) is in relative sliding fit with the lower guide groove (5 c).
  5. 5. The self-adaptive positioning mechanism for the bleeding points of the channel catfish gills according to claim 4, wherein the two spring groups (4) are respectively provided with a second spring (4 a) and a third spring (4 b), the second spring (4 a) and the third spring (4 b) are respectively provided with a plurality of springs and are arranged at intervals from front to back, the second spring (4 a) is connected with one side of a cutter holder (5) and one spring seat (3), and the third spring (4 b) is connected with the other side of the cutter holder (5) and the other spring seat (3).
  6. 6. The adaptive positioning mechanism for the bleeding point of the channel catfish gill part according to any one of claims 1 to 5, wherein the driving component (1) comprises: A main slider seat (103) fixedly arranged; a servo motor (101) controlled by the electric control system and fixedly connected with the main slide block seat (103); the screw rod (104) extends along the puncturing direction of the cutter module (6), one end of the screw rod (104) is fixedly connected with the output shaft of the servo motor (101), and the other end of the screw rod is rotatably connected with the main sliding block seat (103); The main sliding block (102), the main sliding block (102) is in sliding fit with the main sliding block seat (103) back and forth, and the screw rod (104) penetrates through the main sliding block (102) and is in threaded connection with the main sliding block (102); wherein the main sliding block (102) is fixedly connected with the horizontal sliding block seat (2).

Description

Self-adaptive positioning mechanism for bleeding points of channel catfish gill part Technical Field The invention relates to the technical field of fish processing, in particular to a self-adaptive positioning mechanism for bleeding points of a channel catfish gill part. Background During primary processing, the channel catfish is usually exsanguinated by cutting off arteries of the gill part, and currently, the channel catfish is operated by manually cutting down a knife at the edge of the gill cover of the fish body to puncture blood vessels of the gill part. There is no disclosure of any fish processing equipment solution for exsanguinating at the gill cap. The identification and positioning of the bleeding point of the gill is the primary problem to be solved in order to replace manual operation by machinery. The edge of the fish body gill cover is complex in structure and consists of a gill cover, a gill cover film and a plurality of gill strip bones which are in a bifurcated structure and used for supporting the gill cover film to expand, the tail end of the gill cover film also covers the spoon bones, and meanwhile, the color of the outer surface of the gill cover film is different in depth, so that the accurate position of a puncture point cannot be positioned definitely through machine vision. Regarding fish identification, the prior art realizes classification and fish disease identification of fish by utilizing advanced machine learning and deep learning algorithms and combining image processing and computer vision technologies, and is used for fishery management. The range of fish body identification is a characteristic parameter covering the whole fish and is not focused on specific characteristics of the gill part. Devices for positioning the gill cap edge by means of mechanical structures are not known from the prior art. How to solve the difficult problems of the identification and positioning of the bleeding points of the gills in the prior art becomes an important technical improvement direction. Disclosure of Invention The invention aims to provide a self-adaptive positioning mechanism for the bleeding points of the gill parts of channel catfish, which is used for solving the difficult problems of identifying and positioning the bleeding points of the gill parts in the prior art. The invention aims to realize the self-adaptive positioning mechanism for the bleeding point of the channel catfish gill part, which comprises the following components: a driving part controlled by the electric control system; The horizontal sliding block seat is in transmission connection with the driving component and moves back and forth under the driving of the driving component; the horizontal sliding block seat is connected with the cutter seat in a left-right sliding manner, the sliding direction of the cutter seat is perpendicular to the sliding direction of the horizontal sliding block seat, spring seats are fixedly connected to the left side and the right side of the horizontal sliding block seat, spring groups are connected to the left side and the right side of the cutter seat, and the left side/the right side of the cutter seat is elastically connected with the spring seats on the left side/the right side through the spring groups; The cutter module is used for puncturing the fish body and is connected with the cutter seat in a rotatable and movable mode. Further, the cutter module comprises a cutter fixing seat and a cutter fixedly connected with the cutter fixing seat, the tip end of the cutter faces the direction of the fish body, and the cutter fixing seat is connected with the cutter seat in a rotary and movable mode. Further, the front side of the tool holder is provided with a tool holder mounting groove, the inner side wall of the tool holder mounting groove is provided with two opposite inner cambered surfaces, the outer surface of the tool holder is provided with two opposite cambered surfaces, the section shape of the tool holder is matched with the outline shape of the tool holder mounting groove, and the two cambered surfaces on the outer surface of the tool holder are respectively and slidably attached to the two inner cambered surfaces of the inner wall of the tool holder mounting groove, so that the tool holder and the tool thereof can be adjusted relative to the tool holder in a rotating and moving manner. Further, the cutter is fixed at the center of the front end of the cutter fixing seat and extends forwards. Further, the method further comprises the following steps: The top block fixing seat is connected with the cutter fixing seat in a front-back sliding manner; the gill cover jacking block is used for propping against the gill cover of the fish body, a gap is reserved between the gill cover jacking block and the cutter, the gill cover jacking block is fixedly connected to the front side of the jacking block fixing seat, and the front end of the gill cover jacking block forward