Fry screening device
By designing an automated fish fry screening device, which uses a motor-driven screw to move a tray, the automatic screening of fish fry of various sizes is achieved. This solves the problems of time-consuming, labor-intensive, and low screening efficiency in existing technologies, and realizes efficient and convenient graded screening.
Patent Information
- Application Number
- CN202520324542.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Existing fish fry screening methods are time-consuming and labor-intensive, with low screening efficiency and difficulty in achieving multi-size grading.
Design a fish fry screening device including a base, a tray, and a power mechanism. The tray is moved by a motor-driven lead screw, realizing the reciprocating motion of multiple screening slots. It is equipped with replaceable screen plates to achieve automated grading and screening.
It improves screening efficiency, reduces manual operation, and can simultaneously grade and screen fish fry of different sizes. It is easy to use and easy to remove the fry after screening.
Smart Images

Figure CN223943545U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to aquaculture technical field especially relates to a fry screening device. BACKGROUND
[0002] In the process of fish culture, often need to screen fry, the fry of different size is separated to breed, to avoid the situation of big fish plundering small fish and fighting for food, at the same time also can make the fry of different size absorb the nutrient ingredient that this growth stage should have, by this reach the purpose of fry stable growth.
[0003] And in the screening process, mostly adopt manual screening, through handheld screen net is placed in water to swing back and forth, the smaller fry is screened out, and the larger fry is retained, to improve the survival rate of fry in the subsequent cultivation process, this kind of mode although can complete the screening of fry, but time -consuming and labor -intensive, screening efficiency is low, and can only screen one kind of fry specification each time, is not convenient for grading screening. SUMMARY
[0004] The utility model aims at solving the prior art's insufficient, and provides a fry screening device.
[0005] The utility model discloses a kind of fry screening devices for achieving the above-mentioned purposes, using the following technical solutions: a fry screening device, including base, base top is slidably provided with supporting plate, and base is provided with power mechanism for driving supporting plate to move, the both sides of supporting plate top are respectively provided with several positioning rods, supporting plate top is provided with first screening groove, second screening groove is placed in first screening groove top, third screening groove is placed in second screening groove top, and the both sides of first screening groove top and bottom are provided with connecting plate, connecting plate is provided with the positioning hole corresponding with positioning rod, and positioning rod penetrates positioning hole, second screening groove and third screening groove bottom are provided with opening, and bottom front side is provided with slot corresponding with opening, slot is provided with through hole communicated with opening, through hole and opening are slidably inserted with screen plate, slot is hingedly provided with sealing cover.
[0006] Particularly, base is provided with cavity inside, supporting plate bottom is provided with several sliding blocks, base top is provided with the first sliding slot corresponding with sliding block, sliding block is slidably arranged in first sliding slot, and sliding block bottom is inserted into cavity.
[0007] Particularly, power mechanism includes motor, lead screw, moving block, moving block is slidably arranged in cavity, and moving block is fixedly connected to the bottom of sliding block, several lead screws are rotatably connected between the inner wall of cavity two sides, and lead screw penetrates moving block and is threadedly connected with moving block, motor is forward and reverse motor, and is installed on the base top and drives lead screw to rotate.
[0008] Particularly, the first screening groove, the second screening groove and the third screening groove are provided with handles on both sides of the top, and the connecting plate on the top of the first screening groove, the second screening groove and the third screening groove is provided with a first groove corresponding to the handle.
[0009] Particularly, the screen plate is provided with a sliding plate on both sides, and the inner wall of the through hole and the opening is provided with a second sliding groove corresponding to the sliding plate.
[0010] Particularly, the screen plate is provided with a sliding plate on both sides, and the inner wall of the through hole and the opening is provided with a second sliding groove corresponding to the sliding plate.
[0011] Particularly, the inner side edge of the sealing cover is provided with a sealing strip, and the sealing cover is fixed on the side wall of the corresponding second screening groove and third screening groove through the buckle.
[0012] The beneficial effects of the utility model are: the utility model discloses a base, a supporting plate and a power mechanism, which are convenient for reciprocatingly moving the first screening groove, the second screening groove and the third screening groove for screening, do not need to reciprocatingly swing the screen manually, save time and effort, and the screening efficiency is high. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a structural schematic view of the utility model;
[0014] Figure 2 It is a sealing cover position schematic view of the utility model;
[0015] Figure 3 It is a first groove position schematic view of the utility model;
[0016] Figure 4 It is an opening position schematic view of the utility model;
[0017] In the drawing: 1-first screening groove;2-supporting plate;3-positioning rod;4-first screening groove;5-second screening groove;6-third screening groove;7-connecting plate;8-positioning hole;9-opening;10-screen plate;11-sealing cover;12-cavity;13-sliding block;14-motor;15-screw;16-moving block;17-handle;18-first groove;19-sliding plate;
[0018] The embodiments of the utility model will be described in detail below with reference to the drawings. DETAILED DESCRIPTION
[0019] The utility model will be further described below in combination with the drawings and embodiments:
[0020] AsFigures 1-4 As shown, a fish fry screening device, including a base 1, the base 1 top slidingly provided with a supporting plate 2, and the base 1 is provided with a power mechanism for driving the supporting plate 2 to move, the base 1 is internally provided with a cavity 12, the supporting plate 2 bottom is provided with a plurality of sliding blocks 13, the base 1 top is provided with a first sliding slot corresponding to the sliding block 13, the sliding block 13 is slidingly provided in the first sliding slot, and the sliding block 13 bottom penetrates into the cavity 12, the power mechanism includes a motor 14, a lead screw 15, a moving block 16, the moving block 16 is slidingly provided in the cavity 12, and the moving block 16 is fixedly connected to the bottom of the sliding block 13, a plurality of lead screws 15 are rotatably connected between the inner walls of the two sides of the cavity 12, and the lead screw 15 penetrates through the moving block 16 and is threadedly connected with the moving block 16, the motor 14 is a reversible motor, and is installed on the top of the base 1 to drive the lead screw 15 to rotate; the motor 14 can drive the supporting plate 2 to reciprocate along the base 1 when working.
[0021] The top of the supporting plate 2 is provided with a plurality of positioning rods 3 on both sides, the top of the supporting plate 2 is provided with a first screening groove 4, the top of the first screening groove 4 is placed with a second screening groove 5, the top of the second screening groove 5 is placed with a third screening groove 6, and the top and bottom of the first screening groove 4, the second screening groove 5 and the third screening groove 6 are provided with connecting plates 7, the connecting plates 7 are provided with positioning holes 8 corresponding to the positioning rods 3, and the positioning rods 3 penetrate the positioning holes 8, the top of the first screening groove 4, the second screening groove 5 and the third screening groove 6 are provided with handles 17, and the connecting plates 7 on the top of the first screening groove 4, the second screening groove 5 and the third screening groove 6 are provided with first grooves 18 corresponding to the handles 17, the first screening groove 4, the second screening groove 5 and the third screening groove 6 are positioned by the positioning rods 3 to avoid separation of the three screening grooves, in order to ensure the stability of each screening groove, a compression nut can also be threadedly connected on the positioning rod 3 to compress and fix the uppermost third screening groove 6.
[0022] The bottom of the second screening groove 5 and the third screening groove 6 is provided with an opening 9, and the bottom front side is provided with a slot corresponding to the opening 9, the slot is provided with a through hole communicating with the opening 9, the through hole and the opening are slidingly provided with a screen plate 10, the screen plate 10 is provided with a sliding plate 19 on both sides, the through hole and the opening 9 are provided with a second sliding slot corresponding to the sliding plate 19, the sliding plate 19 is slidingly inserted into the second sliding slot, and the front side of the screen plate 10 is provided with a handle.
[0023] The slot is hingedly provided with a sealing cover 11, the inner side of the sealing cover 11 is provided with a second groove corresponding to the handle, the inner side edge of the sealing cover 11 is provided with a sealing strip, and the sealing cover 11 is fixed on the side wall of the corresponding second screening groove 5 and third screening groove 6 by a buckle.
[0024] The utility model discloses a fish fry screening device, including the first screening groove 4, the second screening groove 5, the third screening groove 6, the fixed plate 2, the motor 14, the handle 17, the sealing cover 11, the locating rod 3 and the screen mesh plate 10, the first screening groove 4, the second screening groove 5 and the third screening groove 6 are arranged on the fixed plate 2, the motor 14 is arranged on the fixed plate 2, the handle 17 is arranged on the fixed plate 2, the sealing cover 11 is arranged on the second screening groove 5 and the third screening groove 6, the locating rod 3 is arranged on the first screening groove 4, the second screening groove 5 and the third screening groove 6, and the screen mesh plate 10 is arranged in the second screening groove 5 and the third screening groove 6.
[0025] The utility model discloses a fish fry screening device, including the first screening groove 4, the second screening groove 5, the third screening groove 6, the fixed plate 2, the motor 14, the handle 17, the sealing cover 11, the locating rod 3 and the screen mesh plate 10, the first screening groove 4, the second screening groove 5 and the third screening groove 6 are arranged on the fixed plate 2, the motor 14 is arranged on the fixed plate 2, the handle 17 is arranged on the fixed plate 2, the sealing cover 11 is arranged on the second screening groove 5 and the third screening groove 6, the locating rod 3 is arranged on the first screening groove 4, the second screening groove 5 and the third screening groove 6, and the screen mesh plate 10 is arranged in the second screening groove 5 and the third screening groove 6.
[0026] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, structure and operation, and therefore cannot be understood as limiting the utility model.
[0027] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0028] In the utility model, unless otherwise specifically defined and limited, the terms "installation", "connection", "connection", "fixing" and other terms should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; It can be mechanical connection, or electrical connection or communication with each other; It can be directly connected, or indirectly connected through an intermediate medium, it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0029] The utility model has been described above in conjunction with the drawings, obviously, the utility model specific implementation is not limited by the above mode, as long as various improvements of method concept and technical scheme of adopting the utility model or direct application in other occasions without improvement, all are within the protection scope of the utility model.
Claims
1. A fry screening device, characterized in that, The utility model provides a kind of multi-stage screening device, including base (1), and the top of base (1) is slidably provided with supporting plate (2), and the power mechanism for driving supporting plate (2) to move is provided on base (1), the top of supporting plate (2) is respectively provided with a plurality of positioning rods (3) on both sides, supporting plate (2) top is provided with first screening groove (4), and second screening groove (5) is placed on the top of first screening groove (4), and third screening groove (6) is placed on the top of second screening groove (5), and the top and bottom of first screening groove (4), second screening groove (5), third screening groove (6) are provided with connecting plate (7), connecting plate (7) is provided with positioning hole (8) corresponding with positioning rod (3), and positioning rod (3) penetrates positioning hole (8), and the bottom of second screening groove (5) and third screening groove (6) is provided with opening (9), and the front side of bottom is provided with slot corresponding with opening (9), and the through hole that is communicated with opening (9) is provided on slot, and the through hole and opening are slidably inserted with screen plate (10), and sealing cover (11) is hinged on slot.
2. A larval fish sorting device according to claim 1, wherein The inside of base (1) is provided with cavity (12), and the bottom of supporting plate (2) is provided with a plurality of sliding blocks (13), and the top of base (1) is provided with first sliding slot corresponding with sliding block (13), and sliding block (13) is slidably arranged in first sliding slot, and the bottom of sliding block (13) penetrates into cavity (12).
3. A larval fish sorting device according to claim 2, wherein The power mechanism includes motor (14), lead screw (15) and moving block (16), the moving block (16) is slidably arranged in the cavity (12), and the moving block (16) is fixedly connected to the bottom of the sliding block (13), a plurality of lead screws (15) are rotatably connected between the inner walls on both sides of the cavity (12), and the lead screws (15) penetrate through the moving block (16) and are threadedly connected with the moving block (16), the motor (14) is a reversible motor, and is installed on the top of the base (1) to drive the lead screw (15) to rotate.
4. A larval fish sorting device according to claim 1, wherein The top of both sides of the first screening groove (4), the second screening groove (5) and the third screening groove (6) is provided with a handle (17), and the connecting plate (7) on the top of the first screening groove (4), the second screening groove (5) and the third screening groove (6) is provided with a first recess (18) corresponding to the handle (17).
5. A larval fish sorting device according to claim 1, wherein The both sides of the screen plate (10) are provided with a sliding plate (19), and the inner wall of the through hole and the opening (9) is provided with a second sliding slot corresponding to the sliding plate (19), and the sliding plate (19) is slidably inserted into the second sliding slot.
6. A larval fish sorting device according to claim 1, wherein The front side of the screen plate (10) is provided with a handle, and the inner side of the sealing cover (11) is provided with a second recess corresponding to the handle.
7. A larval fish sorting device according to claim 1, wherein The inner side edge of the sealing cover (11) is provided with a sealing strip, and the sealing cover (11) is fixed on the side wall of the corresponding second screening groove (5) and third screening groove (6) by a snap fastener.