Precise feeding device for fry breeding

Abstract

The invention relates to the technical field of fry breeding, and particularly discloses a precise feeding device for fry breeding, which comprises a floating seat, a separation assembly is arranged at the bottom of the floating seat, a feeding assembly is fixedly connected to the top of the floating seat, the separation assembly comprises a separation seat, a protection seat and a driving mechanism, and the separation seat is fixedly connected to the bottom of the floating seat; the precipitation base is installed at the bottom of the separation base through the protection base, space positioning control is achieved through the connecting mechanism and the driving mechanism, and during feeding, the driving mechanism drives the connecting mechanism to drive the precipitation base to move downwards, so that a separation gap is formed between the separation base and the precipitation base, and fry can be conveniently guided to pass through a protection base channel; and the feed enters a specified feeding area through the gap between the separation seat and the precipitation seat, so that the diffusion range of the feed is effectively limited, the dissipation probability of the feed in a culture water body is reduced, the residual feed is conveniently and intensively cleaned, the water quality deterioration risk caused by feed decay is remarkably reduced, and the cleaning efficiency and management efficiency of culture operation are greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of fish fry breeding, and in particular to a precise feeding device for fish fry breeding. Background Art

[0002] Fish fry farming is the process of hatching or collecting fish fry from fish eggs and then using scientific methods to cultivate them into young fish of a size suitable for stocking or selling. It involves multi-link management such as pond treatment, fish fry selection and breeding, and feed feeding. Fish fry farming can not only ensure a stable supply of fishery resources and meet market demand, but also improve the survival rate and quality of fish fry, reduce natural losses, and promote sustainable development of fisheries and economic growth by cultivating excellent varieties.

[0003] At present, the feeding of fish fry farming mainly relies on artificial scattering and mechanical feeding equipment. Feeds with various nutritional ratios are often mixed and fed. Due to differences in physical properties such as feed density and surface tension, their suspension and sedimentation states in the water are different. Traditional feeding methods can easily cause uneven distribution of feed in the aquaculture waters, forming local feed redundancy areas, causing residual feed that the fry cannot eat in time to biodegrade and spoil in the water. Due to the discrete spatial distribution of feed, the difficulty of manual salvage or mechanical cleaning is significantly increased, which not only increases the cost of aquaculture maintenance, but also causes the consumption of dissolved oxygen in the water, the accumulation of harmful substances such as ammonia nitrogen and nitrite, destroys the ecological balance of the aquaculture water, and thus affects the growth, development and survival rate of the fry.

[0004] Therefore, it is necessary to provide a precise feeding device for fry farming to solve the above problems. Summary of the invention

[0005] The main purpose of the present invention is to provide a precise feeding device for fry farming, which can effectively solve the problems in the background technology.

[0006] To achieve the above object, the technical solution adopted by the present invention is:

[0007] A precision feeding device for fry farming, comprising a floating seat, a partition assembly is arranged at the bottom of the floating seat, a feeding assembly is fixedly connected to the top of the floating seat, the partition assembly comprises a partition seat, a protective seat and a driving mechanism, the partition seat is fixedly connected to the bottom of the floating seat, the protective seat is slidably mounted on the bottom of the partition seat through a connecting seat, a plurality of connecting mechanisms are arranged inside the connecting seat, the bottom of the protective seat is fixedly connected to a base, the upper surface of the base is fixedly connected to a precipitation seat, and the top of the precipitation seat is fixedly connected to a split ring;

[0008] The connecting mechanism includes a mounting sleeve, a driving rod, and a gear. The mounting sleeve is fixedly connected to the inside of the connecting seat. A slider is slidably connected to the inside of the mounting sleeve. The slider is fixedly connected to the bottom of the driving rod. A screw pair transmission is formed between the driving rod and the gear. A limiting seat is fixedly connected to the top of the floating seat. The gear is rotatably connected between the floating seat and the limiting seat. A spring is fixedly connected between the slider and the mounting sleeve.

[0009] As a further improvement of the above solution, six fixing rods are fixedly connected to the outside of the floating seat, and floating blocks are fixedly connected to the outside of each fixing rod.

[0010] As a further improvement of the above solution, the feeding assembly includes a bracket, a supporting seat, a supporting plate, and a feeding hopper. The bracket is fixedly connected to the top of the floating seat. The supporting plate and the supporting seat are fixedly connected to the top of the bracket in sequence from top to bottom. The feeding hopper is fixedly connected to the inside of the supporting seat. A motor is fixedly installed on the top of the supporting plate. A feeding mechanism is arranged inside the feeding hopper.

[0011] As a further improvement of the above solution, the connecting seat is fixedly connected to the top of the protective seat. Limiting blocks are symmetrically and fixedly connected to the inside of the connecting seat. The protective seat is slidably connected to the partition seat through the connecting seat.

[0012] As a further improvement of the above solution, the driving mechanism includes a mounting seat, a gear ring, a sliding seat, and a connecting rod. The mounting seat is fixedly connected to the top of the floating seat. The gear ring is slidably connected between the mounting seat and the floating seat. The connecting rod is fixedly connected to the outside of the gear ring. The sliding seat is slidably connected to the inside of the mounting seat. The connecting rod is slidably connected to the inside of the sliding seat. A bolt is threadedly connected to the inside of the connecting rod. The gear ring meshes with the gear.

[0013] As a further improvement of the above solution, the feeding mechanism includes a transmission rod, a movable disk, a feeding pipe, a metering seat, and a metering block. The top of the transmission rod is rotatably connected to the inside of the supporting plate and is fixedly connected to the output shaft of the motor. The movable disk is fixedly connected to the bottom of the transmission rod. The feeding pipe is fixedly connected to the bottom of the movable disk. The metering seat is fixedly connected to the bottom of the feeding hopper. The metering block is slidably connected between the metering seat and the feeding hopper.

[0014] As a further improvement, a spiral push rod is fixedly connected to the bottom of the transmission rod. A cleaning block is fixedly connected to the inside of the feeding hopper. The lower surface of the cleaning block is attached to the upper surface of the movable disk.

[0015] As a further improvement, a fixed disk is fixedly connected to the bottom of the metering seat. A threaded rod is rotatably connected to the bottom of the metering block. The threaded rod is threadedly connected to the inside of the fixed disk.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The precipitation seat is installed at the bottom of the partition seat through the protection seat, and its spatial positioning control is realized by means of the connection mechanism and the driving mechanism. During the feeding operation, the driving mechanism drives the connection mechanism to drive the precipitation seat to move downward, so that a separation gap is formed between the partition seat and the precipitation seat, facilitating the guiding of fry through the protection seat channel and entering the designated feeding area through the gap between the partition seat and the precipitation seat. This effectively limits the diffusion range of the feed, thereby reducing both the escape probability of the feed in the aquaculture water body and facilitating the centralized cleaning of the residual feed, significantly reducing the risk of water quality deterioration caused by feed corruption, and greatly improving the cleaning efficiency and management efficiency of the aquaculture operation.

[0018] 2. The quantitative seat and the quantitative block form a storage chamber. The motor drives the transmission rod to drive the movable disk to perform opening and closing movements, realizing the opening and closing control of the top opening of the storage chamber. When the top is opened, the feed is filled into the storage chamber through the feed inlet; after the top is closed, the feeding pipe rotates and docks with the storage chamber under the action of the transmission mechanism, so that the feed in the chamber is accurately conveyed to the lower partition assembly through the feeding pipe. In addition, by driving the quantitative block to move axially through the threaded rod, the volume of the storage chamber can be dynamically adjusted, thereby realizing the precise control of the feed feeding amount and meeting the nutritional needs of fry at different aquaculture stages. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0020] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 is a schematic diagram of the structure of the partition assembly of the present invention;

[0022] Figure 3 is a schematic diagram of the internal structure of the floating seat of the present invention;

[0023] Figure 4 is of the present invention Figure 3 a schematic diagram of the structure at A in;

[0024] Figure 5 is a schematic diagram of the structure of the protection seat of the present invention;

[0025] Figure 6 is a schematic diagram of the structure of the partition seat of the present invention;

[0026] Figure 7Schematic diagram of the internal structure of the mounting base of the present invention;

[0027] Figure 8 Schematic diagram of the internal structure of the sliding seat of the present invention;

[0028] Figure 9 Schematic diagram of the structure of the feeding assembly of the present invention;

[0029] Figure 10 Schematic diagram of the internal structure of the feeding hopper of the present invention;

[0030] Figure 11 Schematic diagram of the structure of the movable disk and the blanking pipe of the present invention;

[0031] Figure 12 Schematic diagram of the internal structure of the metering seat of the present invention.

[0032] In the figure: 1, floating seat; 2, fixed rod; 3, floating block; 4, separating assembly; 41, separating seat; 42, protective seat; 43, base; 44, connecting seat; 45, connecting mechanism; 451, mounting sleeve; 452, slider; 453, spring; 454, driving rod; 455, gear; 456, limiting seat; 46, driving mechanism; 461, mounting base; 462, gear ring; 463, sliding seat; 464, connecting rod; 465, bolt; 47, sedimentation seat; 48, dividing ring; 49, limiting block; 5, feeding assembly; 51, support; 52, support seat; 53, support plate; 54, feeding hopper; 55, motor; 56, feeding mechanism; 561, transmission rod; 562, screw push rod; 563, movable disk; 564, blanking pipe; 565, metering seat; 566, metering block; 567, fixed disk; 568, threaded rod; 569, cleaning block. Detailed implementation manners

[0033] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0034] Please refer to Figures 1 to 12 As shown, the present invention provides an embodiment:

[0035] A precise feeding device for fry farming, comprising a floating seat 1. A partitioning component 4 is arranged at the bottom of the floating seat 1. A feeding component 5 is fixedly connected to the top of the floating seat 1. The partitioning component 4 includes a partitioning seat 41, a protective seat 42 and a driving mechanism 46. The partitioning seat 41 is fixedly connected to the bottom of the floating seat 1. The protective seat 42 is slidably mounted at the bottom of the partitioning seat 41 through a connecting seat 44. A plurality of connecting mechanisms 45 are arranged inside the connecting seat 44. A base 43 is fixedly connected to the bottom of the protective seat 42. A sedimentation seat 47 is fixedly connected to the upper surface of the base 43. A dividing ring 48 is fixedly connected to the top of the sedimentation seat 47;

[0036] The connecting seat 44 is fixedly connected to the top of the protective seat 42. Limiting blocks 49 are symmetrically and fixedly connected inside the connecting seat 44. The protective seat 42 is slidably connected to the partitioning seat 41 through the connecting seat 44;

[0037] The connecting mechanism 45 includes a mounting sleeve 451, a driving rod 454 and a gear 455. The mounting sleeve 451 is fixedly connected inside the connecting seat 44. A slider 452 is slidably connected inside the mounting sleeve 451. The slider 452 is fixedly connected to the bottom of the driving rod 454. A screw pair transmission is formed between the driving rod 454 and the gear 455. A limiting seat 456 is fixedly connected to the top of the floating seat 1. The gear 455 is rotatably connected between the floating seat 1 and the limiting seat 456. A spring 453 is fixedly connected between the slider 452 and the mounting sleeve 451.

[0038] In the actual application of the embodiment of the present invention, as Figure 2 、 Figure 3 and Figure 4 shown, when fry feeding operation needs to be carried out, the operator unlocks through the driving mechanism 46, so that the protective seat 42 drives the mounting sleeve 451 to move downward through the connecting seat 44 under the action of gravity. The mounting sleeve 451 drives the slider 452 to slide linearly downward in the mounting sleeve 451 through the spring 453, and the spring 453 plays a buffering role to avoid the limiting block 49 fixedly connected inside the connecting seat 44 from hitting the partitioning seat 41. The driving rod 454 fixedly connected to the top of the slider 452 moves synchronously. Based on the principle of screw transmission, the driving rod 454 converts the downward linear motion into the circular rotation of the gear 455 through the screw pair. The gear 455 rotates in the rotating pair formed by the floating seat 1 and the limiting seat 456, and cooperates with the driving mechanism 46 to realize the adjustment and fixation of the position of the protective seat 42 at the bottom of the partitioning seat 41;

[0039] As Figure 2 、 Figure 3 、 Figure 5 and Figure 6As shown, the protective seat 42 that moves under the action of gravity drives the base 43 and the sedimentation seat 47 connected to its lower end to axially displace downward along the partition seat 41. As the sedimentation seat 47 moves downward, a gap for fry to pass through is formed between it and the partition seat 41. The fry can enter the enclosed feeding area surrounded by the partition seat 41, the sedimentation seat 47 and the dividing ring 48 through the diversion channel of the protective seat 42. During this process, the space-limiting function of the partition assembly 4 can effectively limit the diffusion range of the feed. The uningested feed settles into the sedimentation seat 47 under the action of gravity, which is convenient for centralized cleaning;

[0040] As Figure 2 and Figure 3 shown, when cleaning is required after the feeding operation is completed, the operator pushes the slider 452 through the driving mechanism 46 to drive the driving rod 454 to reset in the reverse direction, and then drives the protective seat 42 to move upward, so that the partition seat 41 and the sedimentation seat 47 are tightly attached through the dividing ring 48, cutting off the channel for fry to enter the feeding area and maintaining the spatial isolation state of the aquaculture water area.

[0041] As Figure 2 、 Figure 3 、 Figure 4 、 Figure 7 and Figure 8 shown, the driving mechanism 46 includes a mounting seat 461, a gear ring 462, a sliding seat 463 and a connecting rod 464. The mounting seat 461 is fixedly connected to the top of the floating seat 1. The gear ring 462 is slidably connected between the mounting seat 461 and the floating seat 1. The connecting rod 464 is fixedly connected to the outside of the gear ring 462. The sliding seat 463 is slidably connected to the inside of the mounting seat 461. The connecting rod 464 is slidably connected to the inside of the sliding seat 463. A bolt 465 is threadedly connected to the inside of the connecting rod 464. The gear ring 462 meshes with the gear 455.

[0042] In the actual application of the embodiment of the present invention, when cleaning is required after the feeding operation is completed, the operator applies an external force to the sliding seat 463 to make it slide along the established track inside the mounting seat 461, driving the connecting rod 464 slidably connected thereto to move synchronously. Since the connecting rod 464 is fixed to the outside of the gear ring 462, the gear ring 462 is driven to rotate around the axis in the sliding pair formed by the mounting seat 461 and the floating seat 1. The meshing of the gear ring 462 and the gear 455 transmits the circular motion to the gear 455. The rotation of the gear 455 is transmitted through the screw pair, causing the driving rod 454 to generate an axial displacement, driving the protective seat 42, the base 43 and the sedimentation seat 47 to move upward along the partition seat 41. The partition seat 41 and the sedimentation seat 47 are tightly attached through the dividing ring 48. Finally, the connecting rod 464 and the sliding seat 463 are fastened by tightening the bolt 465 to realize the positioning and locking of the gear ring 462, maintaining the closing of the feeding area channel and maintaining the spatial isolation state of the aquaculture water area;

[0043] When feeding is required, loosen the bolt 465 to release the fastening of the connecting rod 464 and the sliding seat 463. Under the action of gravity, the protective seat 42 drives the mounting sleeve 451 to move downward through the connecting seat 44, and drives the base 43 and the sedimentation seat 47 connected to its lower end to move downward, forming a gap for fry to pass through.

[0044] As Figure 2 and Figure 3 shown, six fixing rods 2 are fixedly connected to the outer side of the floating seat 1, and floating blocks 3 are fixedly connected to the outer sides of the fixing rods 2.

[0045] In the actual application of the embodiment of the present invention, the floating blocks 3 and the floating seat 1 cooperate to stably suspend the entire device on the water surface, ensuring that the separation component 4 and the feeding component 5 are at an appropriate working height. At the same time, the symmetrically distributed floating blocks 3 can effectively balance the force of the device on the water surface, ensuring the relative position accuracy of the separation seat 41 and the sedimentation seat 47, and providing a stable feeding environment for fry.

[0046] As Figure 1 and Figure 9 shown, the feeding component 5 includes a bracket 51, a support seat 52, a support plate 53 and a feeding hopper 54. The bracket 51 is fixedly connected to the top of the floating seat 1. The support plate 53 and the support seat 52 are fixedly connected to the top of the bracket 51 in sequence from top to bottom. The feeding hopper 54 is fixedly connected to the inside of the support seat 52. A motor 55 is fixedly installed on the top of the support plate 53, and a feeding mechanism 56 is arranged inside the feeding hopper 54.

[0047] In the actual application of the embodiment of the present invention, the bracket 51 serves as a basic load-bearing structure, stably installing the support seat 52, the support plate 53 and the feeding hopper 54 on the top of the floating seat 1 to form a stable feeding operation platform. Start the motor 55 on the top of the support plate 53, and its output power is transmitted to the feeding mechanism 56 inside the feeding hopper 54. The feeding mechanism 56 realizes the precise metering and conveying of feed. The feed flows through the internal flow channel of the feeding hopper 54 and, under the drive of the feeding mechanism 56, orderly falls into the feeding area defined by the lower separation component 4, realizing the precise and efficient feeding of feed during the fry breeding process.

[0048] As Figures 9 to 11As shown, the feeding mechanism 56 includes a transmission rod 561, a movable disk 563, a feed pipe 564, a quantitative seat 565 and a quantitative block 566. The top of the transmission rod 561 is rotatably connected to the inside of the support plate 53 and is fixedly connected to the output shaft of the motor 55. The movable disk 563 is fixedly connected to the bottom of the transmission rod 561, the feed pipe 564 is fixedly connected to the bottom of the movable disk 563, the quantitative seat 565 is fixedly connected to the bottom of the feeding bucket 54, and the quantitative block 566 is slidably connected between the quantitative seat 565 and the feeding bucket 54. A spiral push rod 562 is fixedly connected to the bottom of the transmission rod 561, and a cleaning block 569 is fixedly connected to the inside of the feeding bucket 54. The lower surface of the cleaning block 569 is in contact with the upper surface of the movable disk 563. The bottom of the quantitative seat 565 is fixedly connected to the fixed disk 567. The bottom of the quantitative block 566 is rotatably connected to a threaded rod 568, and the threaded rod 568 is threadedly connected to the inside of the fixed disk 567.

[0049] When the embodiment of the present invention is actually applied, the motor 55 drives the transmission rod 561 to rotate, driving the movable disk 563 to rotate synchronously. When the feed port on the movable disk 563 coincides with the top opening of the quantitative seat 565, the storage chamber is opened, and the feed in the feeding hopper 54 is filled into the storage chamber composed of the quantitative seat 565 and the quantitative block 566 through the feed port under the action of gravity. As the transmission rod 561 continues to rotate, the movable disk 563 closes the top opening of the storage chamber, and at the same time, the feed discharge pipe 564 rotates to dock with the discharge port at the bottom of the storage chamber to form a sealed conveying channel. At this time, the quantitative feed in the storage chamber falls accurately into the feeding area of ​​the lower partition component 4 through the feed discharge pipe 564 under the action of gravity, and is rotated by the screw. The threaded rod 568 utilizes the transmission principle of the threaded pair to drive the metering block 566 to move axially, which can accurately adjust the volume of the storage chamber and realize dynamic control of the feed feeding amount. The movable disk 563 completes a feeding, sealing and unloading cycle every time it rotates one circle. During the rotation of the movable disk 563, the spiral push rod 562 on its top generates an axial thrust on the feed in the feeding hopper 54, causing the feed to flow to the edge of the movable disk 563. The cleaning block 569 continuously scrapes the surface of the movable disk 563 during its rotation to prevent agglomeration caused by feed residues. The fixed disk 567 provides stable support for the threaded rod 568, realizing the precise control of the dual parameters of feed feeding amount and frequency, and meeting the differentiated nutritional needs of fry at different breeding stages.

[0050] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variation thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the phrase "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0051] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A precise feeding device for fry farming, comprising a floating seat (1), characterized in that: A separation component (4) is arranged at the bottom of the floating seat (1), and a feeding component (5) is fixedly connected to the top of the floating seat (1). The separation component (4) includes a separation seat (41), a protection seat (42) and a driving mechanism (46). The separation seat (41) is fixedly connected to the bottom of the floating seat (1). The protection seat (42) is slidably mounted on the bottom of the separation seat (41) through a connecting seat (44). A plurality of connecting mechanisms (45) are arranged inside the connecting seat (44). A base (43) is fixedly connected to the bottom of the protection seat (42). A sedimentation seat (47) is fixedly connected to the upper surface of the base (43). A dividing ring (48) is fixedly connected to the top of the sedimentation seat (47). The connecting mechanism (45) includes a mounting sleeve (451), a driving rod (454) and a gear (455). The mounting sleeve (451) is fixedly connected inside the connecting seat (44). A slider (452) is slidably connected inside the mounting sleeve (451). The slider (452) is fixedly connected to the bottom of the driving rod (454). A screw pair drive is formed between the driving rod (454) and the gear (455). A limiting seat (456) is fixedly connected to the top of the floating seat (1). The gear (455) is rotatably connected between the floating seat (1) and the limiting seat (456). A spring (453) is fixedly connected between the slider (452) and the mounting sleeve (451).

2. The precise feeding device for fry breeding according to claim 1, characterized in that: Six fixing rods (2) are fixedly connected to the outside of the floating seat (1), and floating blocks (3) are fixedly connected to the outside of the fixing rods (2).

3. The precise feeding device for fry farming according to claim 1, characterized in that: The feeding component (5) includes a bracket (51), a support seat (52), a support plate (53) and a feeding hopper (54). The bracket (51) is fixedly connected to the top of the floating seat (1). The support plate (53) and the support seat (52) are fixedly connected to the top of the bracket (51) from top to bottom in sequence. The feeding hopper (54) is fixedly connected inside the support seat (52). A motor (55) is fixedly installed on the top of the support plate (53). A feeding mechanism (56) is arranged inside the feeding hopper (54).

4. The precise feeding device for fry breeding according to claim 1, characterized in that: The connecting seat (44) is fixedly connected to the top of the protection seat (42). Limiting blocks (49) are symmetrically and fixedly connected inside the connecting seat (44). The protection seat (42) is slidably connected to the separation seat (41) through the connecting seat (44).

5. The precise feeding device for fry farming according to claim 1, characterized in that: The driving mechanism (46) includes a mounting seat (461), a toothed ring (462), a sliding seat (463) and a connecting rod (464). The mounting seat (461) is fixedly connected to the top of the floating seat (1). The toothed ring (462) is slidably connected between the mounting seat (461) and the floating seat (1). The connecting rod (464) is fixedly connected to the outside of the toothed ring (462). The sliding seat (463) is slidably connected inside the mounting seat (461). The connecting rod (464) is slidably connected inside the sliding seat (463). A bolt (465) is threadedly connected inside the connecting rod (464). The toothed ring (462) meshes with the gear (455).

6. The precise feeding device for fry farming according to claim 3, characterized in that: The feeding mechanism (56) includes a transmission rod (561), a movable disk (563), a feeding pipe (564), a metering base (565) and a metering block (566). The top of the transmission rod (561) is rotatably connected to the inside of the support plate (53) and is fixedly connected to the output shaft of the motor (55). The movable disk (563) is fixedly connected to the bottom of the transmission rod (561). The feeding pipe (564) is fixedly connected to the bottom of the movable disk (563). The metering base (565) is fixedly connected to the bottom of the feeding hopper (54). The metering block (566) is slidably connected between the metering base (565) and the feeding hopper (54).

7. The precise feeding device for fry breeding according to claim 6, wherein: A screw pusher (562) is fixedly connected to the bottom of the transmission rod (561). A cleaning block (569) is fixedly connected to the inside of the feeding hopper (54). The lower surface of the cleaning block (569) is in contact with the upper surface of the movable disk (563).

8. The precise feeding device for fry breeding according to claim 6, characterized in that: A fixed disk (567) is fixedly connected to the bottom of the metering base (565). A threaded rod (568) is rotatably connected to the bottom of the metering block (566). The threaded rod (568) is threadedly connected to the inside of the fixed disk (567).

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