Fry screening device

By designing an automated fish fry screener, utilizing an electric motor to drive a worm gear system and gear transmission, combined with a spray system to reduce stress response, the problems of low efficiency and damage associated with traditional manual screening have been solved, achieving efficient and safe fish fry screening.

CN223667073UActive Publication Date: 2025-12-16WENSU PENGBO FISHERY DEV CO LTD
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Patent Information

Application Number
CN202520048737.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-08
Publication Date
2025-12-16
Estimated Expiration
2035-01-08

AI Technical Summary

Technical Problem

Traditional manual selection of fish fry is inefficient, labor-intensive, and can easily cause physical damage and stress to the fry.

Method used

Design a fish fry sorting device that uses an electric motor to drive a worm gear and worm wheel system to drive gears and movable rods to achieve automated sorting of fish fry. The device reduces stress response through a spray component and uses sliding grooves and sliders for guidance to avoid damage to the fish fry from high-speed movement.

Benefits of technology

It achieves efficient and automated screening of fish fry, reduces manual labor, lowers operator fatigue, protects the health of fish fry, and improves screening efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fry screening device which comprises a connecting frame, the side surface of the connecting frame is fixedly connected with a supporting plate, the upper surface of the supporting plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a worm, and the other end of the worm is rotationally connected with a fixing plate. The lower surface of the fixing plate is fixedly connected with the upper surface of the supporting plate, a first rotating shaft is fixedly connected to the position, close to the worm, of the upper surface of the supporting plate, and a worm gear is fixedly connected to the upper surface of the first rotating shaft and meshed with the worm. A motor, a worm gear, a worm, a gear, a screening frame, a sliding plate, a sliding groove, a baffle and a sliding block are arranged. The motor drives the worm to rotate, and the worm is meshed with the worm gear for speed reduction. Then a second gear is meshed with a first gear, a connecting rod on the first gear, a first movable rod and a second movable rod enable the screening frame and a baffle to move in a sliding groove at a proper speed, hurt to the fry caused by high-speed movement is avoided, and the fry can be screened conveniently.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of screening, in particular to a fry screening device. BACKGROUND

[0002] In aquaculture, fry screening is a critical step. Fry of different sizes need to be separated for more effective management and feeding. Traditional fry screening methods usually rely on manual operation, which is not only inefficient, but also easy to cause physical damage and stress to the fry. Therefore, it is particularly important to develop an efficient, automated and fry-friendly screening device.

[0003] Manual fry screening requires a lot of time and manpower, which significantly increases the operation time. This work is not only repetitive and labor-intensive, but also easy to cause fatigue to the operator, further reducing the work efficiency. SUMMARY

[0004] The utility model provides a fry screening device, which can reduce labor input, quickly screen fry and improve convenience.

[0005] To achieve the above-mentioned purpose, a fry screening device is provided, which comprises a connecting frame, a support plate is fixedly connected to the side surface of the connecting frame, an electric motor is fixedly connected to the upper surface of the support plate, a worm is fixedly connected to the output end of the electric motor, a fixed plate is rotatably connected to the other end of the worm, the lower surface of the fixed plate is fixedly connected to the upper surface of the support plate, a first rotating shaft is rotatably connected to the upper surface of the support plate near the worm, a second rotating shaft is rotatably connected to the upper surface of the support plate near the worm, a gear one is fixedly connected to the upper surface of the second rotating shaft, a gear two is fixedly connected to the upper surface of the first rotating shaft, and the gear one is engaged with the gear two. The support plate is provided to support the components, the electric motor is provided to provide driving force, the worm is provided to facilitate motion transmission, the first rotating shaft is provided to facilitate worm rotation, the second rotating shaft is provided to facilitate gear rotation, the worm is provided to cooperate with the worm for motion, the gear one is provided to transmit motion, and the gear two is provided to cooperate with the motion.

[0006] According to the fry screen, the upper surface of the gear is fixedly connected with a connecting rod away from the center, one end of the connecting rod is rotatably connected with a movable rod one, the other end of the movable rod one is rotatably connected with a movable rod two, the other end of the movable rod two is fixedly connected with a screening frame, the inner wall of the connecting frame is fixedly connected with a sliding plate, the inner wall of the sliding plate is provided with a sliding groove, the sliding groove is slidably connected with a sliding block, the sliding block and the screening frame are fixedly connected, the surface of the screening frame away from the connecting rod is provided with a baffle, and the upper surface of the connecting frame is fixedly connected with a water tank. The movable rod one is arranged to transmit the rotation of the gear, the movable rod two is arranged to cooperate with the transmission of the movement, the screening frame is arranged to screen the fry, the sliding plate is arranged to facilitate the guiding effect, the sliding groove is arranged to facilitate the movement of the component, the sliding block is arranged to connect the components to move, the baffle is arranged to form a closed space, and the water tank is arranged to store water.

[0007] According to the fry screen, the surface of the water tank is fixedly connected with a pump, and the input end of the pump is fixedly connected with a conveying pipe. The pump is arranged to extract the water in the water tank, and the conveying pipe is arranged to convey the water.

[0008] According to the fry screen, the other end of the conveying pipe is fixedly connected with a spraying member, and the upper surface of the connecting frame near the water tank is fixedly connected with a moving plate. The spraying member is arranged to spray water to reduce the stress of the fry and promote flow.

[0009] According to the fry screen, the surface of the moving plate is fixedly connected with a moving groove, and the surface of the spraying member and the inner wall of the moving groove are slidably connected. The moving groove is arranged to facilitate the movement of the component.

[0010] According to the fry screen, the side surface of the connecting frame near the moving plate is fixedly connected with a positioning plate, and the upper surface of the positioning plate is fixedly connected with an electric cylinder. The positioning plate is arranged to install the component, and the electric cylinder is arranged to drive the component to move.

[0011] According to the fry screen, the output end of the electric cylinder is fixedly connected through the moving plate and the spraying member, and the side surface of the connecting frame away from the support plate is provided with a large fish groove. The large fish groove is arranged to collect larger fry.

[0012] According to the fry screen, the surface of the connecting frame near the bottom end of the screening frame is provided with a small fish groove, and the upper surface of the water tank is fixedly connected with a water inlet. The small fish groove is arranged to collect the small fry screened out, and the water inlet is arranged to facilitate water injection.

[0013] The utility model discloses an advantageous effect: through setting up motor, worm wheel, worm, gear, movable rod no. 1, movable rod no. 2, screening frame, sliding plate, sliding slot, baffle and sliding block. Through motor drive worm rotates on fixed plate, and worm and worm wheel engage, and the motion of high -speed rotation is decelerated. Subsequently, worm wheel rotates, drives gear no. 2 to rotate together, and gear no. 1 engages, makes movable rod no. 1 and movable rod no. 2 make the closed space formed by screening frame and baffle move with proper speed under the restriction of sliding slot, thereby avoiding high -speed movement to cause harm to fry.

[0014] The additional aspects and advantages of the utility model will be partly given in the following description, and some will become obvious from the following description or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further explained below in combination with the drawings and examples;

[0016] Fig. 1 It is whole structure schematic diagram of the utility model kind of fry screening device;

[0017] Fig. 2 It is electric cylinder installation structure schematic diagram of the utility model kind of fry screening device;

[0018] Fig. 3 It is motor installation structure schematic diagram of the utility model kind of fry screening device;

[0019] Fig. 4 It is baffle installation structure schematic diagram of the utility model kind of fry screening device.

[0020] LEGEND:

[0021] 1, connecting frame;2, water tank;3, big fish tank;4, baffle;5, moving plate;6, pump;7, conveying pipe;8, electric cylinder;9, worm;10, fixed plate;11, support plate;12, small fish tank;13, sliding plate;14, water inlet;15, sliding slot;16, spraying part;17, moving groove;18, sliding block;19, screening frame;20, connecting rod;21, first rotating shaft;22, worm wheel;23, second rotating shaft;24, gear no. 1;25, motor;26, positioning plate;27, gear no. 2;28, movable rod no. 1;29, movable rod no. 2. DETAILED DESCRIPTION

[0022] This part will describe the specific embodiment of the utility model in detail, and the preferred embodiment of the utility model is shown in the drawings, and the role of the drawings is to supplement the description of the description part with graphics, so that people can intuitively and visually understand each technical feature and overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0023] Referring to Figs. 1 to 4 The utility model discloses an embodiment fish fry screen, it includes connecting frame 1, the connecting frame 1 side surface fixedly connected with support plate 11, support plate 11 upper surface fixedly connected with motor 25, the output of motor 25 fixedly connected with worm 9, the other end of worm 9 rotatably connected with fixed plate 10, the fixed plate 10 lower surface and support plate 11 upper surface fixedly connected, support plate 11 upper surface rotatably connected with first rotation axis 21 near worm 9, the upper surface of first rotation axis 21 fixedly connected with gear two 27, gear two 27 upper surface fixedly connected with worm wheel 22, worm wheel 22 and worm 9 engage, support plate 11 upper surface rotatably connected with second rotation axis 23 near worm wheel 22, the upper surface of second rotation axis 23 fixedly connected with gear one 24, gear one 24 and gear two 27 engage, the upper surface of gear one 24 fixedly connected with connecting rod 20 away from the circle center, the other end of connecting rod 20 rotatably connected with movable rod one 28, the other end of movable rod two 29 rotatably connected with movable rod two 29, the other end of movable rod two 29 fixedly connected with screen frame 19, the inner wall of connecting frame 1 fixedly connected with sliding plate 13, the inner side wall of sliding plate 13 is provided with sliding groove 15, the sliding groove 15 is slidably connected with sliding block 18, and the sliding block 18 is fixedly connected with screen frame 19, and the surface of screen frame 19 away from connecting rod 20 is provided with baffle 4, and the upper surface of connecting frame 1 is fixedly connected with water tank 2. Worm 9 is driven by motor 25 and rotates on fixed plate 10, then worm 9 drives worm wheel 22 to rotate, and the speed is reduced, the movement of worm wheel 22 makes gear two 27 rotate, makes gear two 27 and gear one 24 engage, and the connecting rod 20 on the surface of gear one 24 connects movable rod one 28 and movable rod two 29, drives screen frame 19 and baffle 4 to form the closed space and moves in the limitation in sliding groove 15 at a certain speed, avoids high-speed movement and makes fry hurt.

[0024] The surface of moving plate 5 is fixedly connected with moving groove 17, the surface of spraying part 16 and the inner wall of moving groove 17 are slidably connected, the other end of conveying pipe 7 is fixedly connected with spraying part 16, the upper surface of connecting frame 1 is fixedly connected with moving plate 5 near water tank 2, the surface of water tank 2 is fixedly connected with pump 6, and the input end of pump 6 is fixedly connected with conveying pipe 7. Water in water tank 2 is extracted by pump 6, water is transported to spraying part 16 by conveying pipe 7, then water flow is sprayed on fry, reduces fry stress, and promotes flow.

[0025] The small fish tank 12 is arranged on the surface of the connecting frame 1 close to the bottom end of the screening frame 19, the water tank 2 is fixedly connected with the water inlet 14 on the upper surface, the output end of the electric cylinder 8 is fixedly connected through the moving plate 5 and the spraying part 16, the large fish tank 3 is arranged on the side surface of the connecting frame 1 away from the supporting plate 11, the positioning plate 26 is fixedly connected on the side surface of the connecting frame 1 close to the moving plate 5, and the electric cylinder 8 is fixedly connected on the upper surface of the positioning plate 26. The small fry is collected in the small fish tank 12 through the screening frame 19, then the baffle 4 is removed, the inner surface of the screening frame 19 is curved, the electric motor 25 is started again, and the large fry is collected in the large fish tank 3 under the action of the spraying and the rotation of the gear one 24.

[0026] Working principle: in the using process, the water in the water tank 2 is pumped out through the pump 6 and is delivered to the spraying part 16 through the conveying pipe 7. The spraying part 16 is driven by the electric cylinder 8 to move back and forth in the moving groove 17, so that the spraying range is expanded, the water flow is uniformly sprayed on the fry, the stress reaction of the fry is reduced, and the flow of the fry is promoted. Then, the electric motor 25 drives the worm 9 to rotate on the fixed plate 10, the worm 9 and the worm wheel 22 are engaged, the worm wheel 22 rotates, the gear two 27 rotates together, and then the gear two 27 and the gear one 24 are engaged. When moving, the movable rod one 28 rotates, the closed space formed by the screening frame 19 and the baffle 4 connected by the movable rod two 29 moves at a proper speed under the limitation of the sliding groove 15 and the sliding block 18, so that the harm to the fry caused by high-speed movement is avoided. The small fry is collected in the small fish tank 12 through the screening frame 19. Then, the baffle 4 is removed, the inner surface of the screening frame 19 is designed as a curved surface, and the electric motor 25 is started again. Under the combined action of the spraying water flow and the rotation of the gear one 24, the large fry is guided to fall into the large fish tank 3 for collection.

[0027] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A fry screen comprising a connecting frame (1), characterized in that The connecting frame (1) side surface is fixedly connected with a support plate (11), the upper surface of the support plate (11) is fixedly connected with a motor (25), the output end of the motor (25) is fixedly connected with a worm (9), the other end of the worm (9) is rotatably connected with a fixed plate (10), the lower surface of the fixed plate (10) and the upper surface of the support plate (11) are fixedly connected, the upper surface of the support plate (11) is rotatably connected with a first rotating shaft (21) near the worm (9), the upper surface of the first rotating shaft (21) is fixedly connected with a gear two (27), the upper surface of the gear two (27) is fixedly connected with a worm wheel (22), the worm wheel (22) and the worm (9) are engaged, the upper surface of the support plate (11) is rotatably connected with a second rotating shaft (23) near the worm wheel (22), the upper surface of the second rotating shaft (23) is fixedly connected with a gear one (24), the gear one (24) and the gear two (27) are engaged.

2. A fry screen as claimed in claim 1, wherein The upper surface of the gear one (24) is fixedly connected with a connecting rod (20) away from the center, the other end of the connecting rod (20) is rotatably connected with a movable rod one (28), the other end of the movable rod one (28) is rotatably connected with a movable rod two (29), the other end of the movable rod two (29) is fixedly connected with a screening frame (19), the inner wall of the connecting frame (1) is fixedly connected with a sliding plate (13), the inner side wall of the sliding plate (13) is provided with a sliding groove (15), the sliding groove (15) is slidably connected with a sliding block (18), the sliding block (18) and the screening frame (19) are fixedly connected, the surface of the screening frame (19) is provided with a baffle (4) away from the connecting rod (20), the upper surface of the connecting frame (1) is fixedly connected with a water tank (2).

3. A fry screen as claimed in claim 2, wherein The surface of the water tank (2) is fixedly connected with a pump (6), the input end of the pump (6) is fixedly connected with a conveying pipe (7).

4. A fry screen as claimed in claim 3, wherein The other end of the conveying pipe (7) is fixedly connected with a spraying part (16), the upper surface of the connecting frame (1) is fixedly connected with a moving plate (5) near the water tank (2).

5. A fry screen as claimed in claim 4, wherein The surface of the moving plate (5) is fixedly connected with a moving groove (17), the surface of the spraying part (16) and the inner wall of the moving groove (17) are slidably connected.

6. A fry screen as claimed in claim 4, wherein The side surface of the connecting frame (1) is fixedly connected with a positioning plate (26) near the moving plate (5), the upper surface of the positioning plate (26) is fixedly connected with an electric cylinder (8).

7. A fry screen as claimed in claim 6, wherein The output end of the electric cylinder (8) penetrates through the moving plate (5) and the spraying part (16) and is fixedly connected, the side surface of the connecting frame (1) is provided with a large fish tank (3) away from the support plate (11).

8. A fry screen according to claim 2, wherein The surface of the connecting frame (1) is provided with a small fish tank (12) near the bottom end of the screening frame (19), the upper surface of the water tank (2) is fixedly connected with a water inlet (14).