A feed screening device for fish farming

Abstract

The utility model relates to aquatic products breeding equipment technical field especially fish breeding is with feed screening device, solved the feed screening device in the mixing process lack of effective stirring structure, leading to the feed component mixed uneven and the problem that the secondary screening mechanism is not set and causes the pelletization granule too big influence fish feeding. The device includes rotating frame and mixing bin, and the mixing bin sets up in the inner top of rotating frame, and both sides of mixing bin are with the inside rotation connection of rotating frame, and the one side top of rotating frame is provided with the rotating module for and the cooperation of mixing bin. The utility model discloses through the cooperation of stirring rod and cutting blade and realizes even mixing and crushing, and promotes the evenness of feed, and through the setting of screening bin and collecting bin carries out secondary screening and centralized collection to the feed after mixing, removes the caking and big granule.

Description

Technical Field

[0001] This utility model relates to the field of aquaculture equipment technology, and in particular to a feed screening device for fish farming. Background Technology

[0002] Fish feed refers to nutrient-rich substances specifically formulated to meet the growth, development, and life-sustaining needs of fish. It typically consists of a mixture of various components such as protein, fat, carbohydrates, vitamins, and minerals in specific proportions. In modern aquaculture, especially in ornamental fish farming, the particle size, uniformity, and balanced nutrient distribution of the feed have a significant impact on the healthy growth of fish. To ensure consistent feed quality and meet the feeding needs of fish at different growth stages, screening is a crucial step in feed processing.

[0003] Existing feed screening devices (such as the ornamental fish aquaculture feed processing and mixing screening device disclosed in Chinese Utility Model Patent No. CN215917641U) include a box, screening cylinder, screen, vibrator, crushing chamber, feeding chamber, and mixing chamber. They achieve preliminary feed grading through vibration screening and improve overall processing efficiency by combining crushing and mixing functions. However, in actual use, the following prominent problems still exist: the device lacks an effective stirring structure during the mixing process, leading to stratification of feed components of different densities and poor mixing uniformity. Simultaneously, the device lacks a secondary screening mechanism for the mixed feed, allowing some agglomerated or excessively large particles to directly enter the subsequent pelleting stage, resulting in excessively large or irregular finished pellets that affect fish feeding.

[0004] Therefore, to address the shortcomings of existing technologies, we urgently need a feed screening device for fish farming to solve this problem. This new device should be able to achieve efficient screening while enhancing mixing uniformity, and be equipped with a complete screening and impurity removal mechanism. This will better meet the practical needs of high-precision, high-volume feed processing, providing a more reliable technical guarantee for the sustainable development of ornamental fish farming and other aquaculture sectors. Utility Model Content

[0005] The purpose of this invention is to provide a feed screening device for fish farming, which solves the problem in the existing technology where the lack of an effective stirring structure during the mixing process leads to the stratification of feed components of different densities and poor mixing uniformity. Furthermore, the device lacks a secondary screening mechanism for the mixed feed, allowing some agglomerated or excessively large particles to directly enter the subsequent pelleting stage, resulting in overly large or irregular finished pellets that negatively impact fish feeding.

[0006] To achieve the above objectives, this utility model provides a feed screening device for fish farming, including a rotating frame and a mixing chamber. The mixing chamber is located at the top inner part of the rotating frame, and both sides of the mixing chamber are rotatably connected to the interior of the rotating frame. A rotating module for cooperating with the mixing chamber is provided at the top of one side of the rotating frame.

[0007] A drive motor is installed on one side of the top of the mixing chamber, and a feed pipe is connected to the other side of the top. A rotating rod is rotatably connected inside the mixing chamber, and several stirring rods are connected to the outer ring of the rotating rod.

[0008] The bottom of the mixing chamber is provided with a screening chamber connected to the inner wall of the rotating frame. One side of the mixing chamber is connected to a discharge pipe through a connecting chamber. One side of the inner wall of the mixing chamber is provided with a discharge trough connected to the connecting chamber. The top of the mixing chamber is provided with a moving trough connected to the inside of the discharge trough. A sealing plate is slidably connected inside the moving trough. One side of the connecting chamber is equipped with a pushing structure for moving the sealing plate.

[0009] The rotating module includes a rotating motor, which is bolted to the top of one side of the rotating frame, and the output shaft of the rotating motor is connected to the side wall of the mixing chamber.

[0010] The screening chamber has a collection chamber inside, which is fixedly connected to the inner bottom of the rotating frame with bolts.

[0011] The outer ring bottom of the rotating rod is provided with several cutting blades, and each cutting blade is fixedly connected to the outer ring bolt of the rotating rod.

[0012] The mixing chamber is equipped with inclined plates on both sides of the discharge chute, and the inclined plates are fixedly connected to the inner wall of the mixing chamber.

[0013] The pushing structure includes a mounting plate and several pushing cylinders. The mounting plate is connected to one side of the connecting compartment, and the several pushing cylinders are bolted to the top of the mounting plate. The output end of each pushing cylinder is connected to a connecting plate, and one end of the connecting plate is bolted to the side wall of the sealing plate.

[0014] This utility model discloses a feed screening device for fish farming. Addressing the problem of uneven mixing and stratification of feed components due to the lack of an effective stirring structure in existing screening devices, this solution achieves efficient mixing of the feed by incorporating a rotating rod and several stirring rods inside the mixing chamber, combined with a drive motor. This significantly improves mixing uniformity, prevents stratification between materials of different densities, and enhances the nutritional consistency of the finished feed. Furthermore, to solve the problem of excessively large or irregular particles during pelleting caused by the lack of a secondary screening mechanism in existing devices, this device incorporates a screening chamber at the bottom of the mixing chamber. After mixing, the materials undergo further screening to effectively separate large particles or lumps, thereby improving the quality stability and palatability of the finished feed. Furthermore, the mixing chamber and rotating frame are connected by a rotating mechanism and equipped with a rotating module, allowing the mixing chamber to oscillate at a certain angle during mixing, which helps improve material flow and further enhances the mixing effect. By incorporating components such as sealing plates, discharge troughs, pushing structures, and connecting chambers, the discharge process can be controlled and adjusted, avoiding material accumulation problems caused by poor discharge or improper placement in traditional structures, thus improving the continuity and stability of the overall equipment operation. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0016] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model.

[0017] Figure 2 This is a schematic diagram of the rotating frame and mixing chamber according to an embodiment of the present invention.

[0018] Figure 3 This is a schematic diagram of the collection chamber according to an embodiment of the present invention.

[0019] Figure 4 This is a schematic diagram of the structure of the stirring rod and the cutting blade according to an embodiment of the present invention.

[0020] Figure 5 This is a schematic diagram of the discharge trough and sealing plate of an embodiment of the present utility model.

[0021] In the diagram: 1. Rotating frame; 2. Mixing chamber; 3. Feed pipe; 4. Drive motor; 5. Connecting chamber; 6. Discharge pipe; 7. Screening chamber; 8. Rotating motor; 9. Collection chamber; 10. Rotating rod; 11. Stirring rod; 12. Cutting blade; 13. Mounting plate; 14. Inclined plate; 15. Discharge chute; 16. Sealing plate; 17. Connecting plate; 18. Push cylinder. Detailed Implementation

[0022] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention. Example

[0023] Please see Figure 1-5 As shown, a fish farming feed screening device according to this embodiment includes a rotating frame 1 and a mixing chamber 2. The mixing chamber 2 is located at the inner top of the rotating frame 1, and both sides of the mixing chamber 2 are rotatably connected to the interior of the rotating frame 1. A rotating module for cooperating with the mixing chamber 2 is provided on the top of one side of the rotating frame 1.

[0024] A drive motor 4 is installed on one side of the top of the mixing chamber 2, and a feed pipe 3 is connected to the other side of the top. A rotating rod 10 is rotatably connected inside the mixing chamber 2, and several stirring rods 11 are connected to the outer ring of the rotating rod 10.

[0025] The bottom of the mixing chamber 2 is provided with a screening chamber 7 connected to the inner wall of the rotating frame 1. One side of the mixing chamber 2 is connected to a discharge pipe 6 through a connecting chamber 5. A discharge trough 15 connected to the connecting chamber 5 is opened on one side of the inner wall of the mixing chamber 2. A movable trough connected to the inside of the discharge trough 15 is opened on the top of the mixing chamber 2. A sealing plate 16 is slidably connected inside the movable trough. A pushing structure for moving the sealing plate 16 is installed on one side of the connecting chamber 5.

[0026] During operation, premixed fish feed ingredients are first fed into the mixing chamber 2 through the feed pipe 3. Then, the drive motor 4 is started, which drives the rotating rod 10 to rotate. The multiple stirring rods 11 connected to its outer ring then thoroughly stir the feed entering the mixing chamber 2, achieving initial uniform mixing. During this process, since the mixing chamber 2 is located at the top of the rotating frame 1 and is rotatably connected to both sides of the rotating frame 1, it can swing or adjust its angle to a certain extent with the help of the rotating module, which helps to improve mixing efficiency and material flowability. After mixing is completed, the rotating module is started to drive the mixing chamber 2 to rotate 90°, moving the discharge pipe 6 located on one side to the top position of the screening chamber 7. The push structure control plate 16 is activated to slide along the moving groove, opening the discharge chute 15, so that the mixed feed enters the discharge pipe 6 through the connecting chamber 5 and finally falls into the screening chamber 7 below. The screening chamber 7 is fixedly connected to the inner wall of the rotating frame 1, and can perform secondary screening of the mixed feed in subsequent operations to remove lumps, oversized particles or impurities, ensuring the consistency of the final feed particle size and the stability of quality. Example

[0027] Please see Figure 1-5As shown in this embodiment, a fish farming feed screening device includes a rotating module containing a rotating motor 8. The rotating motor 8 is bolted to the top of one side of the rotating frame 1, and the output shaft of the rotating motor 8 is connected to the side wall of the mixing chamber 2. Specifically, through the cooperative arrangement of the rotating motor 8 and the mixing chamber 2, after mixing is completed, the rotating motor 8 is started, and its output shaft drives the mixing chamber 2 to rotate 90°, so that the discharge pipe 6 is accurately moved to the top of the screening chamber 7, thereby achieving precise material discharge.

[0028] Several cutting blades 12 are installed at the bottom of the outer ring of the rotating rod 10. Each cutting blade 12 is bolted to the outer ring of the rotating rod 10. Specifically, through the cooperation between the rotating rod 10 and the cutting blades 12, while the drive motor 4 drives the rotating rod 10 to rotate, the multiple cutting blades 12 installed at the bottom of its outer ring perform preliminary crushing of large-particle raw materials entering the mixing chamber 2, making the material easier to mix evenly. This structure enhances the pre-treatment capability of materials, improves mixing efficiency and quality, and reduces the risk of equipment jamming or damage caused by large-particle materials during the mixing process. Example

[0029] Please see Figure 1-5 As shown in this embodiment, a feed screening device for fish farming includes a screening chamber 7 with a collection chamber 9 inside. The collection chamber 9 is bolted to the bottom inner part of the rotating frame 1. Specifically, through the cooperative arrangement of the screening chamber 7 and the collection chamber 9, after the mixed feed undergoes secondary screening in the screening chamber 7, qualified particles automatically fall into the collection chamber 9 below for centralized collection. This structure simplifies the subsequent material processing flow, improves the efficiency of feed processing after screening, and reduces the risk of contamination or mixing caused by manual intervention, further ensuring the cleanliness and consistency of the finished feed.

[0030] Inclined plates 14 are installed inside the mixing chamber 2 on both sides of the discharge chute 15. The inclined plates 14 are fixedly connected to the inner wall of the mixing chamber 2. Specifically, through the cooperation of the inclined plates 14 and the discharge chute 15, during the discharge process, the inclined plates 14 on both sides of the mixing chamber 2 guide the material towards the discharge chute 15, allowing it to flow smoothly into the connecting chamber 5. This structural design effectively prevents material accumulation and residue, improves the smoothness of discharge, ensures that each discharge is completely completed, reduces the frequency of cleaning, and improves work efficiency.

[0031] The pushing structure includes a mounting plate 13 and several pushing cylinders 18. The mounting plate 13 is connected to one side of the connecting chamber 5, and the pushing cylinders 18 are bolted to the top of the mounting plate 13. The output end of the pushing cylinder 18 is connected to a connecting plate 17, and one end of the connecting plate 17 is bolted to the side wall of the sealing plate 16. Specifically, through the cooperative arrangement of the pushing cylinders 18, the connecting plate 17, and the sealing plate 16, when material discharge is required, the pushing cylinder 18 is activated, and its output end drives the connecting plate 17 to move, thereby controlling the sealing plate 16 to slide along the moving groove and open the discharge chute 15. After material discharge is completed, the reverse action closes the discharge chute 15, realizing controllable adjustment of the discharge process. This structure achieves precise control of discharge time and discharge volume, improves the intelligence level and operational flexibility of the equipment, and adapts to the needs of different production rhythms.

[0032] In the fish farming feed screening device provided by this utility model, its overall structure includes a rotating frame 1 and a mixing chamber 2. The mixing chamber 2 is located at the top inner part of the rotating frame 1 and is rotatably connected to the interior of the rotating frame 1 through both sides, thereby allowing the mixing chamber 2 to rotate within a specific angle range. A rotating motor 8 is bolted to the top of one side of the rotating frame 1. As the core component of the rotating module, its output shaft is connected to the side wall of the mixing chamber 2 to drive the mixing chamber 2 to rotate 90°, thereby achieving automatic adjustment of the discharge position. A drive motor 4 is installed on one side of the top of the mixing chamber 2, and a feed pipe 3 is provided on the other side for inputting premixed fish feed raw materials into the mixing chamber 2. A rotating rod 10 is rotatably connected inside the mixing chamber 2. Multiple stirring rods 11 are connected to the outer ring of the rotating rod 10, and several cutting blades 12 are further provided on this basis for preliminary crushing of large particles entering the mixing chamber 2, so as to improve the subsequent mixing efficiency and uniformity.

[0033] When the device starts working, the premixed fish feed ingredients are first fed into the mixing chamber 2 through the feed pipe 3. Then, the drive motor 4 is started, driving the rotating rod 10 to rotate, which in turn drives the stirring rod 11 to fully mix the feed, achieving initial uniform mixing. At the same time, since the cutting blade 12 rotates together with the rotating rod 10, it can effectively break up large particles of raw materials, avoiding problems such as uneven mixing or equipment jamming caused by excessively large materials. During this process, the mixing chamber 2 can swing or rotate at a certain angle under the drive of the rotating motor 8, which helps to improve the flowability of materials and increase mixing efficiency.

[0034] After mixing is complete, the rotating motor 8 is started, causing the mixing chamber 2 to rotate 90°, moving the discharge pipe 6 to a position directly above the screening chamber 7 to ensure the accuracy of the subsequent discharge process. At the same time, the cylinder 18 is started, and its output end drives the connecting plate 17 to move. The connecting plate 17 is bolted to the side wall of the sealing plate 16, controlling the sealing plate 16 to slide along the moving groove and open the discharge chute 15. At this time, the mixed feed flows into the connecting chamber 5 through the discharge chute 15 and falls into the screening chamber 7, which is fixedly connected to the inner wall of the rotating frame 1, for secondary screening to remove lumps, oversized particles, or impurities, ensuring the consistency of the final feed particle size and the stability of its quality. After screening, qualified particles will automatically fall into the collection chamber 9 inside the screening chamber 7. The collection chamber 9 is fixedly connected to the inner bottom of the rotating frame 1 by bolts to achieve centralized collection and sorting.

[0035] In addition, inclined plates 14 are provided inside the mixing chamber 2 and on both sides of the discharge chute 15. These inclined plates 14 are fixedly connected to the inner wall of the mixing chamber 2, which can guide the material to flow towards the discharge chute 15 during the discharge process, prevent material accumulation or residue, ensure that each discharge is completely completed, reduce the cleaning frequency, and improve work efficiency. The pushing structure consists of a mounting plate 13, a pushing cylinder 18, and a connecting plate 17. The mounting plate 13 is connected to one side of the connecting chamber 5, and the pushing cylinder 18 is bolted to the top of the mounting plate 13. Its output end is connected to the sealing plate 16 through the connecting plate 17, realizing precise control of the opening and closing of the discharge chute 15, improving operational flexibility and intelligence.

[0036] In summary, this utility model significantly improves the overall performance of the feed screening device for fish farming through the coordinated design of the above-mentioned structures: First, the synergistic action of the drive motor 4, rotating rod 10, stirring rod 11, and cutting blade 12 solves the problem of uneven mixing caused by the lack of an effective stirring structure in the prior art, thus improving the nutritional consistency of the feed; Second, the rotational coordination between the rotating motor 8 and the mixing chamber 2 enables automatic adjustment of the discharge position, improving discharge accuracy and the degree of automation of the equipment; Third, the linkage structure of the pushing cylinder 18, connecting plate 17, and sealing plate 16 enables controllable adjustment of the discharge process, enhancing operational flexibility and adaptability to production rhythm; Fourth, the design of the inclined plate 14 and the discharge trough 15 effectively prevents material accumulation and residue, improving discharge smoothness and equipment cleaning convenience; Fifth, the combined setting of the screening chamber 7 and the collection chamber 9 allows the qualified feed after screening to fall directly into the collection chamber 9 for centralized collection, simplifying the subsequent processing procedures, reducing the risk of pollution or mixing caused by manual intervention, and ensuring the cleanliness and consistency of the finished feed. Therefore, this device is not only structurally sound and functionally complete, but also has good application prospects and can meet the actual needs of modern aquaculture, especially ornamental fish farming, for high-quality and refined feed processing.

[0037] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

1. A feed screening device for fish farming, characterized in that, include: A rotating frame and a mixing chamber, wherein the mixing chamber is located at the inner top of the rotating frame and both sides of the mixing chamber are rotatably connected to the interior of the rotating frame, and a rotating module for cooperating with the mixing chamber is provided at the top of one side of the rotating frame; A drive motor is installed on one side of the top of the mixing chamber, and a feed pipe is connected to the other side of the top. A rotating rod is rotatably connected inside the mixing chamber, and several stirring rods are connected to the outer ring of the rotating rod. The bottom of the mixing chamber is provided with a screening chamber connected to the inner wall of the rotating frame. One side of the mixing chamber is connected to a discharge pipe through a connecting chamber. One side of the inner wall of the mixing chamber is provided with a discharge trough connected to the connecting chamber. The top of the mixing chamber is provided with a moving trough connected to the inside of the discharge trough. A sealing plate is slidably connected inside the moving trough. One side of the connecting chamber is equipped with a pushing structure for moving the sealing plate.

2. The feed screening device for fish farming according to claim 1, characterized in that, The rotating module includes a rotating motor, which is bolted to the top of one side of the rotating frame, and the output shaft of the rotating motor is connected to the side wall of the mixing chamber.

3. The feed screening device for fish farming according to claim 1, characterized in that, The screening chamber is equipped with a collection chamber inside, which is fixedly connected to the inner bottom of the rotating frame by bolts.

4. The feed screening device for fish farming according to claim 2, characterized in that, The bottom of the outer ring of the rotating rod is provided with several cutting blades, and each cutting blade is fixedly connected to the outer ring of the rotating rod with bolts.

5. A feed screening device for fish farming according to claim 3, characterized in that, Inclined plates are provided inside the mixing chamber and on both sides of the discharge chute, and the inclined plates are fixedly connected to the inner wall of the mixing chamber.

6. The feed screening device for fish farming according to claim 5, characterized in that, The pushing structure includes a mounting plate and several pushing cylinders. The mounting plate is connected to one side of the connecting compartment, and the several pushing cylinders are bolted to the top of the mounting plate. The output end of each pushing cylinder is connected to a connecting plate, and one end of the connecting plate is bolted to the side wall of the sealing plate.

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