Classification weighing workbench of fish processing production line

By designing an automated fish processing production line with a sorting and weighing workbench, and utilizing image recognition technology and conveyor structure, efficient and accurate fish sorting was achieved, solving the problems of slow manual weighing and sorting speed, and improving processing efficiency and product quality.

CN224168048UActive Publication Date: 2026-04-28OUTAGON (ZHUHAI) FOOD TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
OUTAGON (ZHUHAI) FOOD TECH CO LTD
Filing Date
2025-05-20
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

In existing technologies, manual weighing and sorting of fish before processing is slow and labor-intensive, especially when the catch is large, which affects the processing progress and leads to low sorting efficiency.

Method used

A sorting and weighing workbench for a fish processing production line was designed. The weighing equipment using image recognition technology is combined with sorting components. Through the coordinated work of the conveyor, the material distribution structure and the unloading components, the automated weighing and sorting of fish is achieved.

Benefits of technology

This enables efficient and accurate classification of fish, reduces the labor intensity of workers, improves processing speed and efficiency, and ensures the consistency of fish product quality and specifications.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a classification weighing workbench of a fish processing production line, and relates to the technical field of fish processing, the classification weighing workbench comprises a workbench, the workbench is provided with a first conveying table, a material distributing structure, a second conveying table and a discharging assembly from left to right in sequence; a plurality of spacing plates which are distributed at intervals are arranged on the conveying table I; a weighing device and a classifying assembly are arranged on the portion, above the second conveying table, of the workbench, the weighing device and the classifying assembly are arranged in a spaced mode, and the weighing device is arranged on the side, close to the material distributing structure, of the workbench; the working end of the classification assembly is located above the second conveying table, and movement of the fishes on the second conveying table can be limited through the classification assembly so that the fishes can enter the discharging assembly from different positions on the second conveying table. The problems that in the prior art, when the fish yield is large, the labor intensity of workers is high and the workers are prone to fatigue after working for a long time in a manual fish classification mode, and the classification speed is very low are solved.
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Description

Technical Field

[0001] This utility model relates to the field of fish processing technology, and in particular to a classification and weighing workbench for a fish processing production line. Background Technology

[0002] When fish are processed on the production line, different types of fish are usually processed in batches separately. However, even fish of the same type can vary in size and weight after being caught. Therefore, before processing, these fish need to be weighed and classified according to weight or size to facilitate their entry into the processing line for batch processing.

[0003] In existing technologies, small-scale aquatic product markets, individual fish farmers, or small-scale fish processing points typically use ordinary platform scales or electronic scales. Fish are weighed one by one manually, and then, based on experience and pre-set weight standards, they are manually sorted into different containers or areas. However, manual weighing and sorting requires handling each fish individually, which is slow. When the catch is large, the workers experience high labor intensity and fatigue from prolonged work, further reducing the sorting speed. For example, during peak fishing seasons, stall owners in small aquatic product markets face a large volume of freshly caught fish, and manual weighing and sorting consumes a significant amount of time, impacting the sales progress. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the purpose of this utility model is to provide a sorting and weighing workbench for a fish processing production line to solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: It includes a workbench, on which, from left to right, are arranged a first conveyor platform, a material distribution structure, a second conveyor platform, and a feeding assembly. The first conveyor platform is located on one side of the material distribution structure, and its end corresponds to the working end of the material distribution structure. The first end of the second conveyor platform is located below the material distribution structure, and its end corresponds horizontally to the feeding assembly. The first conveyor platform is provided with multiple spaced partitions, which form multiple slots for placing fish. These partitions allow fish to be placed separately when they fall onto the first conveyor platform. The correspondence between the material distribution structure and the first conveyor platform allows the conveyor platform... Fish on conveyor platform one fall into the sorting structure as they pass the end of conveyor platform one. The sorting structure allows batches of fish to fall onto the conveyor platform sequentially. A weighing device and a sorting component are respectively installed on the work platform above conveyor platform two. The weighing device and the sorting component are spaced apart, and the weighing device is located on the side of the work platform closer to the sorting structure. The weighing device uses image recognition technology for weighing operations and can be electrically connected to the sorting component with the help of an external control device. The working end of the sorting component is located above conveyor platform two. The sorting component can limit the movement of fish on conveyor platform two, allowing them to enter the unloading component from different positions on conveyor platform two.

[0006] Furthermore, a feeding rack is provided above the first end of the conveyor platform. The upper part of the feeding rack is rectangular, and the lower part is conical. The bottom end of the feeding rack is provided with a slot and is located on the conveyor platform through the slot. When the fish in the feeding rack are conveyed by the conveyor platform, they cannot be stacked.

[0007] Furthermore, the material distribution structure includes a mounting frame, a drive motor, and a sorting roller. The mounting frame is located at both ends of the workbench, the drive motor is located at the side end of the mounting frame, and the sorting roller is installed in the middle of the mounting frame and connected to the drive end of the drive motor. The sorting roller is provided with multiple spaced material distribution plates, and the multiple sorting plates can form multiple placement slots for placing fish within the sorting roller.

[0008] Furthermore, two limiting inclined plates are provided at the first end of the conveyor platform 2. The two limiting inclined plates are respectively set on both sides of the conveyor platform 2, one in front and one behind. The adjacent side of the two limiting inclined plates is set with an arc surface. The two limiting inclined plates can change the direction of the fish moving on the conveyor platform 2 from horizontal to vertical.

[0009] Furthermore, the sorting component includes a placement rack, a second drive motor, a fixed connecting plate, and a transmission shaft. The placement rack is mounted on the workbench, the second drive motor is positioned above the placement rack, and the fixed connecting plate is positioned below the placement rack and fixedly connected to it. Two transmission shafts are symmetrically arranged on both sides of the fixed connecting plate and rotatably connected to it. One transmission shaft is connected to the drive end of the second drive motor. Each transmission shaft has a belt shaft mounted on it, and the two belt shaft supports are connected by a connecting belt. Each transmission shaft has a sorting rod at its bottom end. The two sorting rods are spaced apart above the second conveyor platform and correspond to the feed inlet of the unloading component. The two sorting rods guide the fish moving on the second conveyor platform for unloading.

[0010] Furthermore, the feeding assembly consists of a feeding plate and a partition plate. One end of the feeding plate is installed on the end of the workbench and is horizontally aligned with the end of the second conveyor. The other end of the feeding plate is arranged with an arc facing downwards. Multiple partition plates are provided, and the multiple partition plates on the feeding plate form multiple feeding channels above the feeding plate.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] In this process, fish are first placed or poured onto conveyor platform one. Due to the obstruction of the partitions, the fish fall into the respective empty slots. As conveyor platform one moves slowly, both conveyor platforms one and two are motor-driven conveyor belt structures, and the fish approach the sorting structure at the end. When the fish reach the end of conveyor platform one, the sorting structure is activated, and the fish are sequentially and individually fed into conveyor platform two through slot alignment and gravity. At this time, the fish are dispersed and orderly arranged on conveyor platform two, moving slowly forward. The weighing device located above conveyor platform two captures the image of the fish in real time, quickly calculates the weight, and transmits the data to an external control device. The control device issues instructions to the sorting component according to preset classification criteria, such as weight range division. After receiving the instructions, the sorting component acts quickly. If the fish belongs to a specific weight range, the sorting component is activated, accurately guiding the fish to the corresponding discharge port of the discharge component. The fish finally falls into the corresponding collection container through the discharge component, completing the sorting and weighing process. This process is repeated to achieve efficient and precise processing of large quantities of fish. This method solves the problem in existing technologies where manual sorting of fish is prone to slow speed due to high labor intensity and fatigue of workers working for long periods when the catch is large. Attached Figure Description

[0013] Figure 1 This is a three-dimensional schematic diagram of the present invention from a first angle;

[0014] Figure 2 This is a top view of the present invention;

[0015] Figure 3 This is a two-dimensional schematic diagram of the present invention from a second angle;

[0016] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0017] In the diagram: 1. Workbench 2. Conveyor 1 3. Partition plate 21. Loading rack 22. Material sorting structure 3. Mounting rack 31. Drive motor 1 32. Sorting roller 33. Material sorting plate 34. Placement trough 35. Conveyor 2 4. Limiting inclined plate 41. Weighing equipment 6. Sorting assembly 7. Placement rack 71. Drive motor 2 72. Fixed connecting plate 73. Transmission shaft 74. Belt shaft 75. Connecting belt 76. Sorting rod 77. Unloading assembly 5. Unloading plate 51. Partition plate 52. Detailed Implementation

[0018] Below, in conjunction with the appendix Figures 1 to 4 The present invention will be further described below with specific embodiments: An embodiment of the present invention provides a sorting and weighing workbench for a fish processing production line, including a workbench 1. From left to right, the workbench 1 is provided with a conveyor platform 2, a material distribution structure 3, a second conveyor platform 4, and a feeding assembly 5. The first conveyor platform 2 is located on one side of the material distribution structure 3, and its end corresponds to the working end of the material distribution structure 3. The first end of the second conveyor platform 4 is located below the material distribution structure 3, and its end corresponds horizontally to the feeding assembly 5. The first conveyor platform 2 is provided with multiple spacer plates 21, which form multiple slots for placing fish. The multiple spacer plates 21 allow fish to be sorted and placed when they fall onto the first conveyor platform 2. The material distribution structure 3 and the second conveyor platform 4 are arranged sequentially from left to right on the workbench 1. The corresponding conveyor platform 2 allows fish on conveyor platform 2 to fall into the material distribution structure 3 when passing the end of conveyor platform 2. The material distribution structure 3 allows batches of fish to fall into the conveyor platform sequentially. The workbench 1 is equipped with a weighing device 6 and a sorting component 7 above conveyor platform 4. The weighing device 6 and the sorting component 7 are arranged at intervals, and the weighing device 6 is on the side of the workbench 1 closer to the material distribution structure 3. The weighing device 6 uses image recognition technology for weighing operation. The weighing device 6 can be electrically connected to the sorting component 7 with the connection of an external control device. The working end of the sorting component 7 is located above conveyor platform 4. The sorting component 7 can limit the movement of fish on conveyor platform 4, allowing these fish to enter the unloading component 5 from different positions on conveyor platform 4.

[0019] In this application, during operation, fish are first placed or poured onto conveyor platform 2. Due to the obstruction of partition plate 21, the fish fall into the respective empty slots. As conveyor platform 2 moves slowly, both conveyor platform 2 and conveyor platform 4 are motor-driven conveyor belt structures. The fish approach the distribution structure 3 at the end. When the fish reach the end of conveyor platform 2, the distribution structure 3 is activated, and the fish are sequentially and individually fed into conveyor platform 4 by slot alignment and gravity. At this time, the fish are dispersed and orderly arranged on conveyor platform 4, moving slowly forward. The weighing device 6 located above conveyor platform 4 captures the image of the fish in real time, quickly calculates the weight, and transmits the data to the external control device. The control device sends instructions to the classification component 7 according to preset classification criteria, such as weight range division. After receiving the instructions, the classification component 7 acts quickly. If the fish belongs to a specific weight range, the classification component 7 is activated, accurately guiding the fish to the corresponding discharge port of the discharge component 5. The fish finally fall into the corresponding collection container through the discharge component 5, completing the classification and weighing process. This process is repeated to achieve efficient and precise processing of large quantities of fish. This method solves the problem in existing technologies where manual sorting of fish is prone to slow speed due to high labor intensity and fatigue of workers working for long periods when the catch is large.

[0020] Preferably, a feeding rack 22 is provided above the first end of the conveyor platform 2. The upper part of the feeding rack 22 is rectangular, and the lower part of the feeding rack 22 is conical. The bottom end of the feeding rack 22 is provided with a slot and is located on the conveyor platform 2 through the slot. When the fish in the feeding rack 22 are conveyed by the conveyor platform 2, they cannot be stacked.

[0021] In this application, preventing overlapping placement is one of the key functions of the feeding rack 22 design. In the early stages of fish processing, if fish overlap on the conveyor belt, it will cause many problems. For example, the weight of a single fish cannot be accurately obtained during weighing, leading to classification errors; in subsequent processing stages, overlapping fish may squeeze and rub against each other, causing scales to fall off and skin to be damaged, affecting the appearance and quality of the product. The special structure of the feeding rack 22, such as the gathering effect of the conical bottom and its coordination with the conveyor platform 2, ensures that when the fish are conveyed by the conveyor platform 2, only the fish that fall between the two partition plates 21 can be moved by the conveyor platform 2, while the fish that are higher than the partition plates 21 will be intercepted by the bottom of the feeding rack 22 when moving. In this way, the fish can enter the subsequent processes in a single, flat state, laying a solid foundation for accurate weighing and classification.

[0022] Preferably, the material distribution structure 3 includes a mounting frame 31, a drive motor 32, and a sorting roller 33. The mounting frame 31 is disposed at both ends of the workbench 1, the drive motor 32 is disposed at the side end of the mounting frame 31, and the sorting roller 33 is mounted at the middle position of the mounting frame 31 and is connected to the drive end of the drive motor. The sorting roller 33 is provided with a plurality of spaced material distribution plates 34, and the plurality of sorting plates can form a plurality of placement slots 35 for placing fish within the sorting roller 33.

[0023] In this application, the purpose of setting up the material distribution structure 3 between conveyor platform 1 2 and conveyor platform 2 4 is to balance the movement efficiency of fish. For example, when there are many fish in the feeding rack 22, conveyor platform 1 2 will spread the fish out at a faster speed and then send these fish into the sorting roller 33 through conveyor platform 1 2. The sorting roller 33 can balance the efficiency of fish entering conveyor platform 2 4 and prevent the sorting error caused by the faster frequency of conveyor platform 2 4 when conveying fish. The fish in conveyor platform 1 2 enter the sorting roller 33 in the manner that the inclined surfaces of the partition plate 21 and the sorting plate correspond, and the fish are transferred under the influence of gravity. The fish in sorting roller 33 fall into conveyor platform 2 4 and fall naturally by gravity.

[0024] In this application, the aforementioned structure effectively addresses fluctuations in the front-end feeding volume. When the amount of fish on the feeding rack 22 increases, the conveyor platform 2 can quickly lay the fish evenly, while the sorting roller 33, acting as an intermediate buffer adjustment mechanism, balances the rate at which fish enter the conveyor platform 4. This prevents the back end from exceeding its processing capacity due to an excessive influx of fish, ensuring a coordinated processing rhythm across all stages of the production line and maintaining a stable and continuous production process. By balancing the flow of fish entering the conveyor platform 4, it prevents the sorting component 7 from being unable to accurately judge the fish due to excessively fast conveying, reducing the occurrence of sorting errors. This ensures that the final fish products are accurately sorted according to preset standards, meeting the needs of different markets, such as the requirements of supermarkets and restaurants for consistent fish product specifications, and improving the stability and reliability of product quality.

[0025] Furthermore, gravity is used to transfer fish between conveyor platform 2 and sorting roller 33, and between sorting roller 33 and conveyor platform 4, avoiding mechanical methods such as forceful pushing that may damage the fish. This minimizes collisions and compression of the fish during the transfer process, maintains the integrity of the fish's appearance, reduces stress on the fish, helps maintain the freshness and quality of the fish, and improves the quality of subsequent processed products.

[0026] Preferably, two limiting inclined plates 41 are provided at the first end position of the second conveyor platform 4. The two limiting inclined plates 41 are respectively arranged on both sides of the second conveyor platform 4, one in front and one behind. The adjacent side of the two limiting inclined plates 41 is set with an arc surface. The two limiting inclined plates 41 can change the direction of the fish moving on the second conveyor platform 4 from horizontal to vertical.

[0027] In this application, making the inner side of the limiting slope a curved surface makes it gentler than a straight surface, effectively preventing sharp edges from scratching the fish. During frequent contact with the fish, it protects the fish's skin from damage to the greatest extent and ensures the quality of the fish. On the other hand, the curved surface can guide the movement of the fish. Compared with a straight guiding structure, the curved surface allows the fish to change direction more smoothly, reducing the fish's jamming and struggling during the turning process and minimizing interference with the fish's normal physiological state.

[0028] Secondly, its core function is to change the orientation of the fish moving on conveyor platform 24 from horizontal to vertical, a significant transformation. In subsequent weighing and sorting processes, vertically arranged fish better adapt to the image recognition technology used by the weighing equipment 6. For example, when fish are presented vertically, their key shape features, such as length and width, can be captured more completely and clearly by the camera, reducing feature obstruction or misjudgment caused by poor posture, thus providing a more accurate data foundation for precise weighing. Furthermore, from the perspective of the overall production line's continuity, adjusting the fish to a vertical orientation facilitates the precise operation of the subsequent sorting component 7. When the fish are arranged vertically, the sorting component 7 can more easily guide them from the head or tail direction based on their different weights, species, and other characteristics, ensuring the fish accurately enter the corresponding feeding port, reducing the probability of sorting errors, improving sorting efficiency, and enabling close collaboration and efficient operation of all aspects of the production line.

[0029] Preferably, the sorting component 7 includes a placement rack 71, a second drive motor 72, a fixed connecting plate 73, and a transmission shaft 74. The placement rack 71 is disposed on the workbench 1, the second drive motor 72 is disposed above the second placement rack 71, and the fixed connecting plate 73 is disposed below the placement rack 71 and is fixedly connected to the placement rack 71. Two transmission shafts 74 are provided, symmetrically disposed on both sides of the fixed connecting plate 73, and both transmission shafts 74 are connected to the fixed connecting plate 73. The transmission shaft 74 is rotatably connected to the drive end of the second drive motor 72. Each transmission shaft 74 is equipped with a belt shaft 75. The two belt shaft 75 brackets are connected by a connecting belt 76. Each transmission shaft 74 has a sorting rod 77 at its bottom end. The two sorting rods 77 are spaced apart above the second conveyor table 4 and correspond to the feed inlet of the feeding assembly 5. The two sorting rods 77 can guide the fish moving on the second conveyor table 4 to be fed.

[0030] In this application, when the production line is started, drive motor 72 is energized and operates, outputting rotational power to drive a connected transmission shaft 74 to rotate. Through the flexible transmission of the connecting belt 76, the other transmission shaft 74 rotates synchronously, ensuring that both transmission shafts 74 operate at the same angular velocity and in a stable direction of rotation, providing uniform power for the subsequent action of the sorting rod 77. As the conveyor table 4 slowly transports the fish forward, the upper sorting rod 77 begins to work according to preset sorting rules, such as weight range or species characteristics. When a fish moves to the area below the corresponding sorting rod 77, if the fish belongs to a specific category, the control system can link with the weighing equipment 6 and the external control device to trigger the sorting rod 77 to perform the corresponding action. The sorting rod 77 rotates at a certain angle, using the guiding force generated by its contact with the fish to change the fish's direction of movement, allowing it to slide precisely towards the feed inlet of the corresponding feeding component 5. Throughout the process, the two sorting rods 77 cooperate, alternately or simultaneously guiding different types of fish, ensuring orderly fish separation and completing an efficient and precise feeding process.

[0031] Preferably, the feeding assembly 5 is composed of a feeding plate 51 and a partition plate 52. One end of the feeding plate 51 is installed on the end of the workbench 1 and is horizontally corresponding to the end of the conveyor table 4. The other end of the feeding plate 51 is arranged with an arc facing downward. Multiple partition plates 52 are provided, and multiple partition plates 52 on the feeding plate 51 form multiple feeding channels above the feeding plate 51.

[0032] In this application, one end of the feeding plate 51 is precisely installed at the end of the workbench 1 and flush with the end of the conveyor table 2 4, ensuring that the fish smoothly transitions from the conveyor table 2 4 to the feeding plate 51. This seamless connection prevents the fish from falling to the ground or getting stuck in gaps due to drop or misalignment during the transfer process, ensuring smooth operation of the production line. The other end is set with an arc facing downwards, cleverly utilizing the guiding characteristics of gravity and the arc shape. When the fish moves to the feeding plate 51, the arc surface can naturally guide the fish to slide downwards without the need for additional power, which is both energy-saving and reduces the risk of mechanical damage to the fish, allowing the fish to enter the subsequent stages in a relatively stable posture.

[0033] The feeding component 5 in this application, combined with the front-end weighing and sorting components 7 and sorting rods 77, serves as the final link, solidifying the results of the previous sorting process. After undergoing the complex processing steps, each fish is accurately guided to the corresponding feeding channel based on its own characteristics, ensuring that the fish products produced at the end of the production line are uniform in size and meet various market demands. For example, in the seafood market retail sector, fish of different weights and types fall into their respective channels, facilitating quick sorting and packaging by merchants and improving sales efficiency; for food processing enterprises, it enables precise acquisition of the required raw fish, enhancing product standardization.

[0034] For those skilled in the art, various other corresponding changes and modifications can be made based on the technical solutions and concepts described above, and all such changes and modifications should fall within the protection scope of the claims of this utility model.

Claims

1. A sorting and weighing workbench for a fish processing production line, characterized in that, The system includes a workbench (1), on which a conveyor platform (2), a material distribution structure (3), a conveyor platform (4), and a feeding assembly (5) are arranged sequentially from left to right. The conveyor platform (2) is located on one side of the material distribution structure (3), and the end of the conveyor platform (2) corresponds to the working end of the material distribution structure (3). The beginning of the conveyor platform (4) is located below the material distribution structure (3), and the end of the conveyor platform (4) corresponds horizontally to the feeding assembly (5). The conveyor platform (2) is provided with a plurality of spaced partitions (21), which form a plurality of empty slots for placing fish on the conveyor platform (2). The plurality of spacers (21) allow fish to be placed separately when they fall into the conveyor platform (2). The correspondence between the material distribution structure (3) and the conveyor platform (2) allows the fish on the conveyor platform (2) to fall into the material distribution structure (3) when passing the end of the conveyor platform (2). The material distribution structure (3) allows a batch of fish to fall into the conveyor platform in sequence. A weighing device (6) and a sorting component (7) are respectively arranged on the workbench (1) above the conveyor table (4). The weighing device (6) and the sorting component (7) are arranged at intervals. The weighing device (6) is on the side of the workbench (1) closer to the material distribution structure (3). The weighing device (6) uses image recognition technology to perform the weighing operation. The weighing device (6) can be electrically connected to the sorting component (7) under the connection of an external control device. The working end of the sorting component (7) is located above the second conveyor (4). The sorting component (7) can limit the movement of fish on the second conveyor (4) so ​​that the fish enter the unloading component (5) from different positions on the second conveyor (4).

2. The sorting and weighing workbench of a fish processing production line according to claim 1, characterized in that, A feeding rack (22) is provided above the first end of the conveyor platform (2). The upper part of the feeding rack (22) is rectangular, and the lower part of the feeding rack (22) is conical. The bottom end of the feeding rack (22) is provided with a slot and is located on the conveyor platform (2) through the slot. When the fish in the feeding rack (22) are conveyed by the conveyor platform (2), they cannot be stacked.

3. The sorting and weighing workbench of a fish processing production line according to claim 1, characterized in that, The material distribution structure (3) includes a mounting frame (31), a drive motor (32), and a sorting roller (33). The mounting frame (31) is located at both ends of the workbench (1). The drive motor (32) is located at the side end of the mounting frame (31). The sorting roller (33) is installed in the middle of the mounting frame (31) and is connected to the drive end of the drive motor. The sorting roller (33) is provided with multiple spaced material distribution plates (34). The multiple material distribution plates can form multiple placement slots (35) for placing fish in the sorting roller (33).

4. The sorting and weighing workbench of a fish processing production line according to claim 1, characterized in that, Two limiting inclined plates (41) are provided at the first end of the conveyor platform (4). The two limiting inclined plates (41) are respectively set on both sides of the conveyor platform (4), one in front and one behind. The adjacent side of the two limiting inclined plates (41) is set with an arc surface. The fish moving on the conveyor platform (4) can be changed from horizontal to vertical by the two limiting inclined plates (41).

5. The sorting and weighing workbench of a fish processing production line according to claim 1, characterized in that, The sorting component (7) includes a placement rack (71), a second drive motor (72), a fixed connecting plate (73), and a transmission shaft (74). The placement rack (71) is set on the workbench (1). The second drive motor (72) is set above the second placement rack (71). The fixed connecting plate (73) is set below the placement rack (71) and is fixedly connected to the placement rack (71). There are two transmission shafts (74), which are symmetrically arranged on both sides of the fixed connecting plate (73). Both transmission shafts (74) are connected to the fixed connecting plate (74). 3) Rotary connection, one of the drive shafts (74) is connected to the drive end of the second drive motor (72), each drive shaft (74) is equipped with a belt shaft (75), the two belt shafts (75) are connected by a connecting belt (76), each drive shaft (74) has a sorting rod (77) at the bottom, the two sorting rods (77) are spaced apart above the second conveyor table (4), and the two sorting rods (77) correspond to the feed port of the feeding assembly (5), the two sorting rods (77) can guide the fish moving on the second conveyor table (4) to feed.

6. The sorting and weighing workbench of a fish processing production line according to claim 1, characterized in that, The feeding assembly (5) consists of a feeding plate (51) and a partition plate (52). One end of the feeding plate (51) is installed on the end of the workbench (1) and is horizontally corresponding to the end of the conveyor table (4). The other end of the feeding plate (51) is set with an arc facing downward. There are multiple partition plates (52). Multiple partition plates (52) on the feeding plate (51) form multiple feeding channels above the feeding plate (51).