Automatic bait casting machine suitable for large-scale breeding of large yellow croakers

Abstract

According to the technical scheme, the automatic bait casting machine is characterized by comprising a main material bin, an auxiliary material bin and a mixing material bin, and the mixing material bin is divided into a mixing cavity and a discharging cavity which are distributed up and down through an internal leakage net; the main stock bin and the auxiliary stock bin are each provided with a material pipe and feed baits into a mixing cavity of the mixing stock bin through the material pipes, a water inlet is formed in the mixing cavity, a water outlet is formed in the bottom of the discharging cavity, the mixing cavity is further provided with an air inlet and a bait casting channel, the air inlet is connected with an external pressurized air source, and the bait casting channel is connected with a culture pond; the main stock bin and the auxiliary stock bin are each provided with a refrigeration mechanism. Standby bait can be stored, frequent manual bait supplement is not needed, slow bait feeding can be achieved, and the bait is prevented from sinking to the bottom.

Description

Technical Field

[0001] This invention relates to the field of aquaculture equipment technology, and more specifically to an automatic feeder suitable for the large-scale breeding of large yellow croaker. Background Technology

[0002] Large yellow croaker is one of the representative species in the wave of industrialization of marine fish farming. The industrialization of large yellow croaker through factory breeding, cage culture, and deep-sea cultivation has promoted the development of marine aquaculture. In particular, the breakthrough in factory-scale artificial seedling production technology for large yellow croaker has driven the great development of the entire industry. Factory-scale high-density breeding technology for large yellow croaker still leads the industry in the field of marine fish breeding.

[0003] The main feed for breeding large yellow croaker broodstock consists of chunks of oily fish such as mackerel, with oyster meat added when nutritional fortification is needed. While existing automatic feeders can automatically dispense feed from the hopper, manual operation is still required for mixing and replenishing the feed. When there are many breeding ponds, the manual labor intensity remains high, resulting in low efficiency of automatic feeding. Furthermore, broodstock feed needs to be given in small amounts and frequently to prevent the feed from sinking to the bottom, and existing automatic feeders cannot effectively solve these problems. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides an automatic feeder suitable for large-scale breeding of large yellow croaker. It can store spare feed, eliminating the need for frequent manual replenishment and enabling slow feeding to prevent feed from sinking to the bottom.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an automatic feeder suitable for large-scale breeding of large yellow croaker, comprising a main feed bin, a secondary feed bin, and a mixing feed bin. The mixing feed bin is divided into an upper and lower mixing chamber and a discharge chamber by an internal mesh screen. Both the main feed bin and the secondary feed bin are equipped with feed pipes, through which feed is delivered into the mixing chamber of the mixing feed bin. The mixing chamber is provided with a water inlet, and the bottom of the discharge chamber is provided with a drain outlet. The mixing chamber is also provided with an air inlet and a feeding channel. The air inlet is connected to an external pressurized air source, and the feeding channel is connected to a breeding pond. Both the main feed bin and the secondary feed bin are equipped with refrigeration mechanisms.

[0006] The present invention is further configured such that: a stirring mechanism is provided inside the mixing silo, the stirring mechanism includes a rotary motor and a stirring rod, and a plurality of support rods are provided on the stirring rod, the cross-section of the support rods being an elliptical structure.

[0007] The invention is further configured such that: an electric valve is provided at the water inlet to control its opening and closing; the water inlet is connected to an external constant temperature water tank via a water pump and a pipe; and the water temperature and salinity in the constant temperature water tank are consistent with those in the aquaculture pond.

[0008] The invention is further configured such that: the mesh is used to prevent the bait in the mixing chamber from entering the drainage chamber; an electric valve is provided at the drainage outlet to control its opening and closing; and the drainage outlet is connected to an external wastewater tank via a water pump and a pipe.

[0009] The present invention is further configured such that: the bottom of both the main feed bin and the auxiliary feed bin are provided with a feeding mechanism connected to the feed pipe, the feeding mechanism includes a feeding auger and an auger motor that drives the feeding auger to rotate, and the feed is pushed to the feed pipe and fed into the mixing chamber by the rotation of the feeding auger.

[0010] The present invention is further configured such that: the material pipe is provided with a sealing mechanism at the outlet end of the mixing silo, the sealing mechanism includes a fixed base and a lifting gate, the fixed base is provided with a slot in the middle for the lifting gate to move in or out, and the end face of the slot that abuts against the lifting gate is provided with a sealing layer.

[0011] The present invention is further configured such that: a quantity control mechanism is provided in the feeding channel, the quantity control mechanism being used to control the feeding rate of the bait.

[0012] The present invention is further configured such that: the measuring mechanism includes a measuring cavity with a circular cross-section and a measuring cylinder rotating in the measuring cavity, the measuring cylinder having at least two sector-shaped cavities, and the measuring cylinder controlling the feeding rate of the bait by controlling the rotation angle and the rotation angular velocity.

[0013] The present invention is further configured to include an attractant light located above the outlet of the feeding channel, and a camera is located next to the attractant light.

[0014] The present invention is further configured such that the outer sides of the main silo, the auxiliary silo, and the material pipe are all wrapped with thermal insulation material.

[0015] In summary, the present invention has the following beneficial effects: This invention features a main feed bin and a secondary feed bin for storing bait. Both bins are equipped with refrigeration mechanisms to ensure the bait can be stored for a longer period, eliminating the need for frequent manual replenishment. When feeding is required, a measured amount of bait is transferred to the mixing bin, where water is added through the inlet for washing. Blood and other impurities are discharged with the wastewater through the drain. Simultaneously, the washing process raises the temperature of the refrigerated bait to match the water temperature, facilitating subsequent feeding. This effectively solves the problems of frequent manual replenishment and manual mixing of bait in existing technologies.

[0016] The mixing bin of this invention is equipped with an air inlet. The bait is first mixed with water, and then the mixed bait is discharged from the feeding channel by air-water discharge through air pressure. This method, together with the quantity control mechanism, can realize the slow feeding of bait, ensuring that the bait can be eaten by the fish in time and effectively preventing the bait from sinking to the bottom.

[0017] The invention also includes a feeding lamp and a camera. Since the environment for raising parent fish is in the dark, turning on the feeding lamp can help the fish approach the exit of the feeding channel and eat the bait quickly. In addition, the camera allows people to remotely monitor the feeding status of the parent fish, so that personnel can remotely adjust the feeding timing of the feeding control mechanism. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the main material silo, auxiliary material silo, and mixing material silo.

[0019] Figure 2 This is a schematic diagram of the feeding channel at the back of the mixing silo.

[0020] Figure 3 This is a schematic diagram of the support rod cross-section structure.

[0021] Figure 4 yes Figure 1 A schematic diagram of the closed mechanism at point A.

[0022] Figure 5 yes Figure 2 A schematic diagram of the control mechanism at point B.

[0023] Figure 6 This is a schematic diagram of a dual-feed auger structure.

[0024] Reference numerals: 1. Main feed bin; 2. Secondary feed bin; 3. Mixing bin; 31. Mixing chamber; 32. Discharge chamber; 4. Feed pipe; 5. Strainer; 6. Water inlet; 7. Drain outlet; 8. Air inlet; 9. Feeding channel; 91. Measuring mechanism; 911. Measuring chamber; 912. Measuring cylinder; 10. Refrigeration mechanism; 11. Stirring mechanism; 111. Rotary motor; 112. Stirring rod; 1121. Support rod; 12. Feeding mechanism; 121. Feeding auger; 122. Auger motor; 13. Sealing mechanism; 131. Fixed base; 132. Lifting gate; 133. Groove; 134. Sealing layer; 135. Lifting motor; 136. Connecting plate; 15. Attractant lamp; 16. Camera; 17. Insulation material; 200. Aquaculture pond; 300. Water body. Detailed Implementation

[0025] The present invention will be further described in detail below with reference to the accompanying drawings.

[0026] This embodiment discloses an automatic feeder suitable for large-scale breeding of large yellow croaker, such as... Figure 1-6 As shown, it includes a main feed bin 1, a secondary feed bin 2, and a mixing feed bin 3. The main feed bin 1 stores chunks of fish meat from high-oil fish such as mackerel. The secondary feed bin 2 stores feed such as oyster meat needed for nutritional fortification. The mixing feed bin 3 mixes different feeds with water according to the required amount of feed before feeding. The mixing feed bin 3 only mixes the amount of feed needed each time and does not store excess feed.

[0027] The mixing chamber 3 is divided into a mixing cavity 31 and a discharge cavity 32, which are distributed vertically, by an internal mesh 5. Both the main feed chamber 1 and the auxiliary feed chamber 2 are equipped with feed pipes 4, through which the bait is fed into the mixing cavity 31 of the mixing chamber 3. The mixing cavity 31 is equipped with a water inlet 6, and the bottom of the discharge cavity 32 is equipped with a drain outlet 7. With the above structure, when mixing the bait, the main feed chamber 1 and the auxiliary feed chamber 2 are transported into the mixing cavity 31 through the feed pipes. Then, water is added through the water inlet 6 to wash the bait, and then water is drained through the drain outlet 7. The dust, impurities, blood foam, etc. carried on the bait are discharged through the mesh 5 from the discharge cavity 32 and the drain outlet 7 below, while the bait remains in the mixing cavity 31 above the mesh 5.

[0028] The mixing chamber 31 is also equipped with an air inlet 8 and a feeding channel 9. The air inlet 8 is connected to an external pressurized air source, and the feeding channel 9 is connected to the breeding pond. After cleaning, when feeding is required, water is first added through the water inlet 6. Then, a stirring mechanism 11 is installed inside the mixing chamber 3. The stirring action of the stirring mechanism 11 mixes the feed and water together to form a water-feed mixture. Subsequently, pressurized air is introduced from the outside through the air inlet 8. The air is pushed from top to bottom using a drainage method to squeeze the feed mixed with water into the feeding channel 9. During the process, the pressurized air enters slowly according to the feeding speed. The stirring mechanism maintains a slow stirring action at all times and appropriately reverses the direction of the air inlet 8. A portion of the gas is released, and then water is added through inlet 6 to ensure that the feed is completely disposed of. This feeding method allows for good control of the feeding speed, preventing excessive feed from being released at once. If too much feed is released at once, the large yellow croaker parent fish cannot finish it, causing the feed to sink to the bottom. The sunken feed will rot in the pond, leading to a deterioration of the water quality. The rearing of parent fish requires a long period of darkness and quiet. In a dark environment, it is difficult to manually clean up the rotten feed, and the noise and environmental changes generated during cleaning can also affect the breeding of parent fish. Therefore, this invention uses pressurized gas to slowly drain the feed for mixing, making it easier to control the amount of gas added and the amount of feed released. Furthermore, this feeding method allows the fish meat pieces of feed to remain relatively intact, preventing them from breaking into fragments.

[0029] Meanwhile, both the main feed bin 1 and the auxiliary feed bin 2 are equipped with refrigeration mechanisms 10. These refrigeration mechanisms 10 utilize existing technology, such as semiconductor refrigeration or refrigeration compressors. Their purpose is to keep easily perishable feed, such as chunks of oily fish like mackerel, fresh. This allows for the storage of large quantities of feed at once for future use, eliminating the need for frequent manual replenishment and reducing labor intensity. Furthermore, the water inlet 6 is connected to an external temperature-controlled water tank via a water pump and pipes. The water temperature and salinity in this tank are consistent with those in the aquaculture pond. This effectively warms the feed during washing, mixing, and feeding, ensuring proper feeding in subsequent stages. Additionally, the main feed bin 1, auxiliary feed bin 2, and feed pipe 4 are all wrapped with insulation materials, such as insulating foam or insulating cotton, to conserve energy required for the refrigeration mechanisms.

[0030] Furthermore, refer to Figure 1 and Figure 3 The stirring mechanism 11 includes a rotary motor 111 and a stirring rod 112. Several support rods 1121 are mounted on the stirring rod 112, and the cross-section of each support rod 1121 is elliptical. The main function of the support rods 1121 is to thoroughly mix the bait and water, but it is not advisable to break the bait. Therefore, the elliptical structure allows the bait to move along... Figure 3 When the direction indicated by the middle arrow comes into contact with the curved surface, it will move away from the side of the curved surface in the direction indicated by the arrow. This can minimize direct impact on the bait, allowing the bait and water to mix well during the stirring process without breaking the bait.

[0031] Furthermore, to achieve automatic control, an electric valve is installed at the water inlet 6 to control its opening and closing, and an electric valve is installed at the drain outlet 7 to control its opening and closing. The corresponding air inlet 8 switches the air path through a reversing solenoid valve. Thus, the entire water inlet, drainage and air inlet can be automatically controlled, making it convenient to use.

[0032] Furthermore, the mesh 5, with its grid structure or perforated structure, is smaller than the size of the bait, and is used to prevent the bait in the mixing chamber 31 from entering the drainage chamber 32; the drainage outlet 7 is connected to an external wastewater tank through a water pump and pipes, and the wastewater is collected and centrally treated through the wastewater tank.

[0033] Furthermore, both the main feed bin 1 and the auxiliary feed bin 2 are equipped with a feeding mechanism 12 connected to the feed pipe 4 at their bottom. The feeding mechanism 12 includes a feeding auger 121 and an auger motor 122 that drives the feeding auger 121 to rotate. The bait is pushed towards the feed pipe 4 and fed into the mixing chamber 31 by the rotation of the feeding auger 121. To avoid crushing the bait during feeding, the gap between the augers needs to be set relatively large, and the speed should not be too fast. Also, refer to... Figure 6A dual-auger structure is set up, in which one feeding auger 121a is configured to move axially in the direction shown by the arrow in the figure, while the other feeding auger 121b is set parallel and its axial position is fixed. By adjusting the axial position of the feeding auger 121a, the size of the gap c formed between the two feeding augers can be controlled. The size of the gap c can be flexibly adjusted according to the size of different baits, so as to achieve relatively fast delivery of bait while minimizing the breaking of the bait.

[0034] Furthermore, refer to Figure 1 and Figure 4 To isolate the mixing silo from the main and auxiliary silos, a sealing mechanism 13 is installed at the outlet end of the material pipe 4 connected to the mixing silo 3. The sealing mechanism 13 includes a fixed base 131 and a lifting gate 132. The fixed base 131 has a slot 133 in the middle for the lifting gate 132 to move in or out. A sealing layer 134 is provided on the end face of the slot 133 that abuts against the lifting gate 132. Specifically, the lifting gate 132 is driven to rise and fall by an actuator such as a lifting motor 135 or a cylinder through a connecting plate 136. The sealing layer 134 is made of flexible rubber material, and its size can be slightly smaller than the width of the lifting gate 132, so as to obtain better clamping force through the elasticity of the flexible material and improve the sealing effect. Therefore, water in the mixing bin will not enter the main and auxiliary bins through the feed pipe 4, thus preventing damage to the bait stored in the main bin 1 and auxiliary bin 2. Furthermore, if the temperature of the refrigeration mechanism 10 is set very low, reaching 0 degrees or below for freezing, water will freeze and clump if it enters, causing equipment blockage. Therefore, the sealing mechanism 13 can effectively solve these problems and ensure that the mixing bin does not affect the bait stored in the main and auxiliary bins.

[0035] Furthermore, refer to Figure 2 and Figure 5 To better control the feeding rate, a quantity control mechanism 91 is provided in the feeding channel 9. This mechanism controls the feed delivery rate. Specifically, the quantity control mechanism 91 includes a circular cross-section quantity control cavity 911 and a quantity control cylinder 912 rotating within the cavity. The cylinder 912 has at least two sector-shaped cavities. The quantity control cylinder 912 controls the feed delivery rate by controlling its rotation angle and angular velocity. The quantity control cylinder 912 can rotate along... Figure 5 Rotate counterclockwise in the direction indicated by the middle arrow. Each half-turn delivers a fan-shaped cavity containing water and food. This, combined with the drainage method of food supply, achieves a better slow feeding effect. The interval between feedings ensures that the parent fish have enough time to finish the food, thus better solving the problem of food sinking to the bottom.

[0036] Further, as a preferred embodiment, refer to Figure 2It also includes a feeding light 15 installed above the exit of the feeding channel 9, with a camera 16 installed next to the feeding light 15. The feeding light is turned on when feeding, and is set about 1 meter above the corner of the breeding pond. A power of 5W is sufficient. Since the overall breeding environment is dark, the feeding light 15, which produces a weak light, can attract fish to feed. Combined with slow feeding, it ensures that the parent fish gather at the feeding point to compete for food and finish the feed each time. In addition, the camera 16 can be used for remote monitoring, allowing operators to remotely check the feeding situation, adjust the feeding rate in time, or partially increase the feeding, simplifying the feeding of large yellow croaker parent fish and reducing the intensity and cost of manual labor.

[0037] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. An automatic feeder suitable for large-scale breeding of large yellow croaker, characterized in that: It includes a main feed bin (1), a secondary feed bin (2) and a mixing bin (3). The mixing bin (3) is divided into a mixing chamber (31) and a discharge chamber (32) distributed vertically by an internal mesh (5). Both the main feed bin (1) and the secondary feed bin (2) are equipped with feed pipes (4) and feed is sent into the mixing chamber (31) of the mixing bin (3) through the feed pipes (4). The mixing chamber (31) is equipped with a water inlet (6) and the discharge chamber (32) is equipped with a drain outlet (7) at the bottom. The mixing chamber (31) is also equipped with an air inlet (8) and a feeding channel (9). The air inlet (8) is connected to an external pressurized air source and the feeding channel (9) is connected to the aquaculture pond. Both the main feed bin (1) and the secondary feed bin (2) are equipped with a refrigeration mechanism (10).

2. The automatic feeder for large-scale breeding of large yellow croaker according to claim 1, characterized in that: The mixing silo (3) is equipped with a stirring mechanism (11), which includes a rotary motor (111) and a stirring rod (112). The stirring rod (112) is provided with a plurality of support rods (1121), and the cross section of the support rods (1121) is set as an elliptical structure.

3. An automatic feeder for large-scale breeding of large yellow croaker according to claim 1, characterized in that: An electric valve is installed at the water inlet (6) to control its opening and closing. The water inlet (6) is connected to an external constant temperature water tank through a water pump and a pipe. The water temperature and salinity in the constant temperature water tank are consistent with those in the aquaculture pond.

4. An automatic feeder for large-scale breeding of large yellow croaker according to claim 1, characterized in that: The strainer (5) is used to prevent the bait in the mixing chamber (31) from entering the drainage chamber (32); an electric valve is provided at the drainage outlet (7) to control its opening and closing, and the drainage outlet (7) is connected to an external wastewater tank through a water pump and a pipe.

5. An automatic feeder for large-scale breeding of large yellow croaker according to claim 1, characterized in that: The bottom of both the main feed bin (1) and the auxiliary feed bin (2) is provided with a feeding mechanism (12) that connects to the feed pipe (4). The feeding mechanism (12) includes a feeding auger (121) and an auger motor (122) that drives the feeding auger (121) to rotate. The feed is pushed to the feed pipe (4) and fed into the mixing chamber (31) by the rotation of the feeding auger (121).

6. An automatic feeder for large-scale breeding of large yellow croaker according to claim 1, characterized in that: The material pipe (4) is connected to the outlet end of the mixing silo (3) and is provided with a closing mechanism (13). The closing mechanism (13) includes a fixed seat (131) and a lifting gate (132). The fixed seat (131) is provided with a slot (133) in the middle for the lifting gate (132) to move in or out. The end face of the slot (133) that abuts against the lifting gate (132) is provided with a sealing layer (134).

7. An automatic feeder for large-scale breeding of large yellow croaker according to claim 1, characterized in that: The feeding channel (9) is provided with a quantity control mechanism (91), which is used to control the feeding rate of the bait.

8. An automatic feeder for large-scale breeding of large yellow croaker according to claim 7, characterized in that: The quantity control mechanism (91) includes a quantity control cavity (911) with a circular cross-section and a quantity control cylinder (912) that rotates in the quantity control cavity (911). The quantity control cylinder (912) has at least two fan-shaped cavities. The quantity control cylinder (912) controls the feed delivery rate by controlling the rotation angle and rotation angular velocity.

9. An automatic feeder for large-scale breeding of large yellow croaker according to claim 1, characterized in that: It includes a feeding light (15) installed above the outlet of the feeding channel (9), and a camera (16) is installed next to the feeding light (15).

10. An automatic feeder for large-scale breeding of large yellow croaker according to claim 1, characterized in that: The main silo (1), the auxiliary silo (2), and the material pipe (4) are all wrapped with thermal insulation material.

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