A screening device for marine fish fry breeding

Abstract

The utility model discloses a marine fish seedling breeding and screening device, comprising a box body, a breeding pool is arranged on the upper end of the box body, a connecting frame is fixedly connected to the outer end of the breeding pool, a second driving motor is fixedly connected to the outer end of the connecting frame, an output end of the second driving motor passes through the connecting frame and is provided with a lead screw inwardly, a movable plate is threadedly connected to the lead screw, a slot is provided at the upper end of the connecting frame, a push plate is fixedly connected to the inner end of the movable plate, and the device can push all the fish in the breeding pool into the screening chamber through the mutual cooperation of various components in the fish pushing mechanism, and finally the big fish and the small fish are stored separately through the fish sorting mechanism, so as to reduce the influence of the big fish on the survival of the small fish and ensure the healthy growth of the small fish.

Description

Technical Field

[0001] The utility model relates to the field of seawater fish seedling cultivation, in particular to a seawater fish seedling cultivation screening device. Background Art

[0002] Seedling cultivation is the process of hatching fish eggs into seedlings, that is, the process of hatching fertilized eggs into fry and raising them to grow into juveniles. It generally includes the whole process of growing aquatic products from seedlings under artificial breeding and management. In a broad sense, it can also include the proliferation of aquatic resources.

[0003] In the process of raising seawater fish seedlings, the size of the fish in the breeding pond varies due to the time of release or other problems. The big fish will snatch the food of the small fish, and the growth of the small fish cannot be guaranteed. At present, the screening of fish usually adopts the method of manual screening to screen the fish, which has low work efficiency and high work intensity of the staff. Therefore, the present invention provides a seawater fish seedling screening device to solve the above-mentioned problems. Utility Model Content

[0004] The utility model aims to provide a marine fish seedling screening device, which solves the problem in the prior art that the sizes of the fish in the breeding pond are different due to the release time or other problems of the fish seedlings in the breeding pond.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a marine fish seedling screening device, comprising a box body, a cultivation pool is arranged at the upper end of the box body, a connecting frame is fixedly connected to the outer end of the cultivation pool, a second drive motor is fixedly connected to the outer end of the connecting frame, and a lead screw is arranged inwardly through the output end of the second drive motor through the connecting frame;

[0006] A movable plate is threadedly connected to the lead screw, a slot is provided at the upper end of the connecting frame, and a push plate is fixedly connected to the inner end of the movable plate.

[0007] As a further description of the above technical solution: a delivery pipe is provided through one end of the bottom of the cultivation pool, and a screening chamber is provided at the other end of the delivery pipe.

[0008] As a further description of the above technical solution: a plurality of partitions are fixedly connected to the interior of the screening chamber, and a screen is fixedly connected to the partition.

[0009] As a further description of the above technical solution: a first driving motor is fixedly connected to the outer side of the box body, and a rotating rod is provided inwardly through the output end of the first driving motor.

[0010] As a further description of the above technical solution: a plurality of cams are fixedly connected to the rotating rod.

[0011] As a further description of the above technical solution: an opening is provided through one end of the screen toward the outside, and a second collecting box is provided correspondingly on the outer side of the opening.

[0012] As a further description of the above technical solution: the inner bottom of the screening chamber is movably connected to a first collecting box.

[0013] The utility model has the following beneficial effects:

[0014] 1. Compared with the prior art, the marine fish seedling screening device can push all the fish in the breeding pool into the screening chamber through the mutual cooperation of the components in the fish pushing mechanism, and finally separate the big fish from the small fish through the fish sorting mechanism, thereby reducing the impact of the big fish on the survival of the small fish and ensuring the healthy growth of the small fish;

[0015] 2. Compared with the prior art, this marine fish seedling screening device can achieve vibration screening by setting screens of different diameters and cooperating with cam assemblies at both ends, thereby improving the screening effect of the entire marine fish seedling screening device.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention is further described below with reference to the accompanying drawings and embodiments;

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 It is a stereogram of the utility model.

[0020] Figure 3 It is a schematic diagram of the structure of the push plate assembly of the utility model.

[0021] Figure 4 This is a schematic diagram of the screen structure of the utility model

[0022] Legend:

[0023] 1. Box body; 2. Screening chamber; 3. Screen; 4. First drive motor; 5. Rotating rod; 6. First collecting box; 7. Connecting frame; 8. Partition plate; 9. Cam; 10. Second collecting box; 11. Opening; 12. Delivery pipe; 13. Cultivation tank; 14. Push plate; 15. Movable plate; 16. Second drive motor; 17. Lead screw; 18. Slot. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] Reference Figure 1-4 , the utility model provides an embodiment, a marine fish seedling screening device, including a box body 1, a breeding pool 13 is arranged at the upper end of the box body 1, and the breeding pool 13 can be used to breed fish fry, and the outer end of the breeding pool 13 is fixedly connected to a connecting frame 7, and the outer end of the connecting frame 7 is fixedly connected to a second drive motor 16, and the output end of the second drive motor 16 passes through the connecting frame 7 and is provided with a lead screw 17 inwardly, and a movable plate 15 is threadedly connected to the lead screw 17, and a slot 18 is provided at the upper end of the connecting frame 7, and a push plate 14 is fixedly connected to the inner end of the movable plate 15. When screening, the conveying pipe 12 at the bottom is opened, and the water inside the breeding pool 13 and the seedlings can enter the interior of the screening chamber 2 through the conveying pipe 12. At this time, starting the second drive motor 16 can drive the internal lead screw 17 to rotate, and under the action of the threaded connection, the movable plate 15 can drive the push plate 14 to move, so that all the fish in the breeding pool are pushed into the screening chamber;

[0026] A delivery pipe 12 is provided through one end of the bottom of the cultivation pool 13, a screening chamber 2 is provided at the other end of the delivery pipe 12, and a one-way valve is provided at the top of the delivery pipe 12, through which the opening and closing operation of the delivery pipe 12 can be controlled;

[0027] A plurality of partitions 8 are fixedly connected to the interior of the screening chamber 2, and a screen 3 is fixedly connected to the partition 8. The screening chamber 2 can be divided into a plurality of chambers by setting the partition 8 to ensure that fry of different sizes can be screened. The same screen 3 is divided into a plurality of screens with different diameters, so that fry of different sizes can be screened multiple times;

[0028] A first driving motor 4 is fixedly connected to the outer side of the box body 1, and a rotating rod 5 is provided inwardly through the output end of the first driving motor 4, and a plurality of cams 9 are fixedly connected to the rotating rod 5. Starting the first driving motor 4 can make the rotating rod 5 drive the cam 9 to rotate, and the sieve 3 can be vibrated by the cam 9, so as to improve the screening effect, store the big fish and the small fish separately, reduce the influence of the big fish on the survival of the small fish, and ensure the healthy growth of the small fish. The cam components are arranged at both ends of the sieve 3 to reduce the contact area with the sieve 3, so as to prevent the fry from being damaged during the rotation process and improve its protection performance.

[0029] An opening 11 is provided through one end of the screen 3, and a second collecting box 10 is provided on the outer side of the opening 11. The inner bottom of the screening chamber 2 is movably connected to the first collecting box 6. By providing the first collecting box 6 and the second collecting box 10, the screened fry can be collected, thereby improving the practicality and efficiency of the entire device.

[0030] Working principle: When the device is in use, the staff can cultivate seawater fry inside the breeding pool 13. When screening them, open the conveying pipe 12 at the bottom, and the water inside the breeding pool 13 and the fry can enter the inside of the screening chamber 2 through the conveying pipe 12. At this time, starting the second drive motor 16 can drive the internal lead screw 17 to rotate, and under the action of the threaded connection, the movable plate 15 can drive the push plate 14 to move, and the fish in the breeding pool can be pushed into the screening chamber. The fry can be screened through the screen 3 inside the screening chamber 2, and the fry can be screened according to size through screens of different diameters. Starting the first drive motor 4 can make the rotating rod 5 drive the cam 9 to rotate, and the screen 3 can be vibrated by the cam 9, thereby improving the screening effect, storing large fish and small fish separately, reducing the impact of large fish on the survival of small fish, and ensuring that small fish can grow healthily.

[0031] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A marine fish seedling screening device, comprising a housing (1), characterized in that: A cultivation pool (13) is arranged at the upper end of the box body (1), a connecting frame (7) is fixedly connected to an outer end of the cultivation pool (13), a second drive motor (16) is fixedly connected to an outer end of the connecting frame (7), and a lead screw (17) is arranged inwardly at the output end of the second drive motor (16) passing through the connecting frame (7); The lead screw (17) is threadedly connected to a movable plate (15), the upper end of the connecting frame (7) is provided with a slot (18), and the inner end of the movable plate (15) is fixedly connected to a push plate (14).

2. A marine fish seedling screening device according to claim 1, characterized in that: A delivery pipe (12) is provided through one end of the bottom of the cultivation pool (13), and a screening chamber (2) is provided at the other end of the delivery pipe (12).

3. A marine fish seedling screening device according to claim 2, characterized in that: A plurality of partitions (8) are fixedly connected inside the screening chamber (2), and a screen (3) is fixedly connected to the partition (8).

4. A marine fish seedling screening device according to claim 1, characterized in that: A first drive motor (4) is fixedly connected to the outer side of the box body (1), and a rotating rod (5) is provided inwardly through the output end of the first drive motor (4).

5. A marine fish seedling screening device according to claim 4, characterized in that: A plurality of cams (9) are fixedly connected to the rotating rod (5).

6. A marine fish seedling screening device according to claim 3, characterized in that: One end of the screen (3) is provided with an opening (11) extending outwardly therefrom, and a second collecting box (10) is correspondingly provided on the outer side of the opening (11).

7. A marine fish seedling screening device according to claim 2, characterized in that: The inner bottom of the screening chamber (2) is movably connected to a first collecting box (6).

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