Doser for central feed tower of breeding chicken farm

By designing the lifting platform column and the clamping plate on the frame, the problem of mismatched height of the dosing device was solved, achieving stable installation of the dosing device and full mixing of medicine and feed, thus improving the mixing effect.

CN121014545APending Publication Date: 2025-11-28GANSU SHENGYUE AGRI & ANIMAL HUSBANDRY DEV
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Patent Information

Application Number
CN202511485538.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-10-17
Publication Date
2025-11-28

AI Technical Summary

Technical Problem

The existing central feed tower dosing system cannot be adapted to the output pipes of feed towers of different heights, nor can it adapt to changes in flow rate, resulting in poor reagent mixing.

Method used

The design of the lifting platform column and the frame clamp allows for adjustment of the height of the dosing device and stable installation. The combination of the flow control flip plate and the slow-flow mixing rod ensures that the medicine and feed are fully mixed.

Benefits of technology

It achieves high compatibility and stable installation of the dosing device, ensuring uniform mixing of medicine and feed, avoiding insufficient or excessive dosage, and improving the mixing effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a chemical feeder for a central feed tower of a breeding chicken farm. A chemical feeder for a central feed tower of a breeding chicken farm comprises a feeder mounting base, a chemical feeder body is mounted above the feeder mounting base, a lower supporting table is arranged in the feeder mounting base, an even number of lifting platform connecting columns are mounted on the lower supporting table, an upper supporting table is arranged above the lifting platform connecting columns, and an even number of groups of inner supporting rods are arranged on the upper supporting table. A carrier fixing plate is supported at the tops of the even groups of inner supporting rods, and on-plate bolt holes are formed in the carrier fixing plate; and a connecting seat is arranged in the lifting platform connecting column. Through cooperation of the lifting platform connecting columns on the lower supporting platform, the height of the upper supporting platform is adjusted, the height of the medicine adding device is indirectly adjusted, the medicine adding device is matched with the heights of conveying pipelines of central material towers with different heights for cooperative use, assistance of external equipment is not needed, and the working efficiency is improved. And meanwhile, in the using process, on-frame clamping plates which are oppositely arranged between the on-frame sliding grooves are matched, so that a specified position is clamped, and the stability and firmness of mounting of the doser are ensured.
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Description

Technical Field

[0001] This invention relates to the field of dosing equipment technology, specifically a dosing device for a central feed tower in a breeder chicken farm. Background Technology

[0002] The central feed tower dosing device is an automated dosing device that connects to the central feeding system in large-scale farming. It is usually fixed at the feed tower outlet and consists of a food-grade drug storage tank, corrosion-resistant pipes, and an intelligent controller. It can preset the dosage of drugs such as vaccines, antibiotics, or nutrients. When the feed flows out of the feed tower, the device simultaneously injects the drug in proportion and mixes it evenly with the feed through transmission and stirring. It replaces manual batch dosing, reduces the labor intensity of operators and the risk of drug contact, ensures that the drug concentration of each batch of feed is consistent, and improves the accuracy and biosecurity level of breeding chickens.

[0003] However, the existing technology has the following shortcomings: Due to the different installation locations of the central feed towers in current breeding farms, when installing dosing devices, the height of the central feed tower output pipes varies or needs to be adjusted. The current dosing devices all rely on external devices to complete the height matching before connection. Furthermore, the existing dosing devices cannot adapt to changes in flow rate, which can easily lead to over- or under-dosing. At the same time, the feed flows quickly in the straight pipe section, and the liquid medicine is carried away before it is fully mixed, which directly affects the mixing effect of medicine and feed. Summary of the Invention

[0004] Other features and advantages of the invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of the invention may be realized and obtained by means of the structures particularly pointed out in the description and other accompanying drawings.

[0005] The purpose of this invention is to overcome the above-mentioned shortcomings and provide a central feed tower dosing device for breeder chicken farms. Through the cooperation of the lifting and connecting column on the lower support platform, the height of the dosing device can be indirectly adjusted so that the dosing device can be used to adapt to the height of central feed towers of different heights. At the same time, the designated position is clamped by the frame clamping plate to ensure the overall installation stability of the dosing device.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a central feed tower dosing device for a breeder chicken farm, comprising a device mounting base, a dosing device mounted above the device mounting base, a lower support platform within the device mounting base, an even number of lifting connecting columns mounted on the lower support platform, an upper support platform above the lifting connecting columns, an even number of internal support rods mounted on the upper support platform, a carrier fixing plate supported at the top of the even number of internal support rods, and bolt holes mounted on the carrier fixing plate; a connecting seat within each lifting connecting column, a threaded sleeve mounted on each connecting seat, a lifting screw threadedly connected to the threaded sleeve, a rotating disc nested at the top of the lifting screw, and a fixing block at the bottom of the rotating disc.

[0007] In a further improvement to the present invention, a frame is provided inside the lower support platform, an even number of reinforcing support seats are installed on the lower support platform, a hollowed-out reinforcing frame is installed on the inner wall of each reinforcing support seat, a frame sliding groove is opened on the surface of each hollowed-out reinforcing frame, a side threaded seat is installed on both sides of each hollowed-out reinforcing frame, a threaded top rod is screwed onto each side threaded seat, a movable top frame is installed in each frame sliding groove, and an integrated frame clamp is fixed between the movable top frames.

[0008] In a further improvement to the present invention, the frame clamping plate forms a clamp with another frame clamping plate, the frame clamping plate is used for the top fixation of the movable top frame, the movable top frame is slidably engaged with the sliding groove on the frame, the connecting seat is fixed to the surface of the platform frame, the fixing block is fixed to the bottom of the upper support platform, and the carrier fixing plate is used for fixing the dosing device through the bolt holes on the plate.

[0009] In a further improvement to the present invention, a drug delivery box is provided inside the drug delivery box, a drug storage hopper is provided above the drug delivery box, a drug storage hopper cover is provided on the drug storage hopper, and a conical sleeve is provided inside the drug storage hopper.

[0010] In a further improvement to the present invention, the medicine delivery box is provided with a box body, a delivery pipe shell is installed in the box body, an auger rod is provided inside the delivery pipe shell, a motor is connected to the end of the auger rod, a motor frame is provided outside the motor, and a flow control release cylinder is connected to the delivery pipe shell.

[0011] In a further improvement to the present invention, a connecting shell cylinder is provided inside the flow control and release cylinder, a sealing sleeve is nested outside the connecting shell cylinder, a suspension frame is provided next to the connecting shell cylinder, an electric motor is embedded in the suspension frame, threaded adjusting rods are provided on both sides of the connecting shell cylinder, and nuts are provided on the threaded adjusting rods, and an internal sleeve is connected to the bottom of the connecting shell cylinder.

[0012] In a further improvement to the present invention, an internal frame is installed in the internal sleeve, an even number of grooves are provided on the internal frame, a slow-flow mixing rod is installed on each groove, an inclined guide block is fixed on the inner wall of the internal sleeve, and a flow control flipping plate is provided in the internal sleeve.

[0013] In a further improvement to the present invention, the flow control flip plate is driven by the motor, the built-in sleeve is used to be nested inside the conveying pipe in the central material tower, the sealing sleeve is used to cover the conveying pipe in the central material tower, the inclined guide block is set below the flow control flip plate, and the slow-flow mixing rod is limited and movable by the tank body.

[0014] In a further improvement to the present invention, the sealing sleeve is secured by the nut on the threaded adjusting rod, the end of the threaded adjusting rod is fixed to the bottom of the medicine delivery box, the connecting shell cylinder is connected to the connecting shell cylinder, the conical connecting sleeve is used to connect the medicine storage hopper and the delivery pipe shell, and the bottom of the box is fixed to the carrier fixing plate. Beneficial effects

[0015] Compared with the prior art, the present invention has the following beneficial effects; 1. This invention uses the lifting connecting column on the lower support platform to adjust the height of the upper support platform, thereby indirectly adjusting the height of the dosing device. This allows the dosing device to be used in conjunction with the conveying pipe height of the central material tower at different heights, eliminating the need for external assistance. During use, the frame clamps, which are set between the sliding grooves on the frame, work together to clamp the device at the designated position, ensuring the stability and firmness of the dosing device installation.

[0016] 2. This invention connects the flow control release cylinder through the box body to the bottom of the conveying pipe shell. When the auger feeds, the size of the flow control flip plate is adjusted with the help of the electric motor to control the flow rate. At the same time, during the fall of the medicine, the slow-flow mixing rod set in the tank moves the feed, so that the medicine falls at the moving part of the feed and is directly mixed into the feed, so that it is fully mixed and avoids the accumulation of medicine to ensure the mixing effect. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a central feed tower dosing device for a breeder chicken farm according to the present invention; Figure 2 This is a side view of the dosing device in the central feed tower dosing device of a breeder chicken farm according to the present invention; Figure 3 This is a three-dimensional structural schematic diagram of the mounting base for the central feed tower dosing device in a breeder chicken farm according to the present invention; Figure 4This is a side view of the lifting and connecting column structure in the central feed tower dosing device of a breeder chicken farm according to the present invention. Figure 5 This is a top view of the medicine delivery box in the central feed tower medicine dispenser of a breeder chicken farm according to the present invention. Figure 6 This is a cross-sectional view of the housing of a central feed tower dosing device for a breeder chicken farm according to the present invention; Figure 7 This is a three-dimensional structural diagram of the controlled flow release cylinder in the central feed tower dosing device for a breeder chicken farm according to the present invention; Figure 8 This is a bottom view of the internal sleeve in the central feed tower dosing device for a breeder chicken farm according to the present invention.

[0018] In the diagram: Device mounting base-1, dosing device-2, lower support platform-11, lifting connecting column-12, upper support platform-13, inner support rod-14, carrier fixing plate-15, bolt holes on the plate-16, medicine delivery box-21, medicine storage hopper-22, medicine hopper cover-23, platform frame-111, reinforcing support base-112, hollowed-out reinforcing frame-113, frame sliding groove-114, movable top frame-115, side threaded seat-116, threaded jacking rod-117, frame clamping plate-118, connecting seat-121, threaded sleeve-122, lifting screw-123, rotating sleeve-1 24. Fixing block - 125. Box body - 211. Motor - 212. Motor frame - 213. Conveying pipe shell - 214. Screw rod - 215. Flow control release cylinder - 216. Conical sleeve - 221. Connecting shell cylinder body - 2161. Sealing sleeve - 2162. Suspension frame - 2163. Electric motor - 2164. Threaded adjusting rod - 2165. Nut - 2166. Internal sleeve - 2167. Internal frame - 21671. Tank body - 21672. Slow flow mixing rod - 21673. Inclined guide block - 21674. Flow control flip plate - 21675. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

[0020] Furthermore, in the description of this invention, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0021] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral unit; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. However, specifying a direct connection indicates that the two main bodies are not connected through a transitional structure, but rather formed as a whole through a connecting structure. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0022] In this invention, unless otherwise expressly specified and limited, the first feature "on" or "below" the second feature may be in direct contact with the first and second features, or indirect contact through an intermediate medium. In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0023] The present invention will be further described below with reference to the accompanying drawings: Example 1

[0024] As attached Figure 1 To be continued Figure 4 As shown: This embodiment provides a central feed tower dosing device for a breeder chicken farm, including a device mounting base 1, a dosing device 2 mounted on top of the device mounting base 1, a lower support platform 11 inside the device mounting base 1, an even number of lifting connecting columns 12 mounted on the lower support platform 11, an upper support platform 13 above the lifting connecting columns 12, an even number of internal support rods 14 on the upper support platform 13, a carrier fixing plate 15 supported at the top of the even number of internal support rods 14, and bolt holes 16 on the carrier fixing plate 15; a dosing box 21 is provided inside the dosing box 21, a medicine storage hopper 22 is provided above the medicine delivery box 21, and a medicine storage hopper 22 is covered with a medicine hopper cover 23; a connecting seat 121 is provided inside the lifting connecting columns 12, and threaded sleeves are installed on each connecting seat 121. The sleeve 122 is threaded with a lifting screw 123. The top of the lifting screw 123 is nested with a rotating sleeve 124. The bottom of the rotating sleeve 124 is provided with a fixing block 125. The lower support platform 11 is provided with a frame 111. An even number of reinforcing support seats 112 are installed on the lower support platform 11. The inner wall of each reinforcing support seat 112 is provided with a hollow reinforcing frame 113. The surface of each hollow reinforcing frame 113 is provided with a frame sliding groove 114. Both sides of the hollow reinforcing frame 113 are provided with side threaded seats 116. Each side threaded seat 116 is threaded with a threaded jacking rod 117. Each frame sliding groove 114 is provided with a movable top frame 115. An integrated frame clamping plate 118 is fixed between the movable top frames 115.

[0025] Furthermore, the carrier fixing plate 15 is in a flat state, and its surface is used to support the dosing device 2. The bolts passing through the bolt holes 16 on the plate are used to fix the dosing device 2 to prevent it from loosening.

[0026] Furthermore, the medicine storage hopper 22 is mainly used for storing medicine, and works with the medicine hopper cover 23 to cover the medicine storage hopper 22 to prevent the medicine from being exposed.

[0027] Furthermore, the threaded sleeve 122 is in a semi-hollow state, and its lifting screw 123 is threadedly connected through the fully open state above, so that the lifting screw 123 can complete the height adjustment, and the upper support platform 13 can complete the height lifting.

[0028] Furthermore, the side threaded seat 116 is mainly welded to the hollow part of the hollow reinforcement frame 113. With the cooperation of the threaded top rod 117, the top of the threaded top rod 117 can be closed to the side wall of the movable top frame 115, and the movable top frame 115 can be moved at the same time.

[0029] Furthermore, the movable top frames 115 are connected by an integrated frame clamp 118, thereby creating relative motion when the movable top frames 115 move, clamping the auxiliary fasteners installed between them, thus improving the stability of their lower support platform.

[0030] The specific working principle is as follows: This invention fixes the dosing device 2 to the mounting plate 15 supported by the inner support rod 14 on the upper support platform 13. Then, bolts pass through the bolt holes 16 on the plate to form a fixed connection with the bottom of the medicine delivery box 21. When the height of the feed conveying pipe in the central feed tower is different, a lifting screw 123 installed in the threaded sleeve 122 above the connecting seat 121 is screwed on. As the lifting screw 123 rises, it works in conjunction with the rotating sleeve 124 and the fixing block 125 to lift the upper support platform 13, thus changing the height of the dosing device 2. After adapting to the feed conveying pipe, the front hollowed-out reinforcing frame 113 of the reinforcing support seat 112 on the platform frame 111 is adjusted so that the frame clamping plate 118 set between the sliding grooves 114 on the frame completes the top fixation of the movable top frame 115 after the side threaded seat 116 fixed on the side wall is screwed in with the threaded top rod 117. This indirectly drives the frame clamping plate 118 to complete the relative clamping, thereby improving the stability of the platform frame 111, ensuring the firm support, and preventing the dosing device 2 from shifting and falling off from the feed conveying pipe of the central tower. Example 2:

[0031] As attached Figure 5 To be continued Figure 8 As shown: The medicine delivery box 21 contains a box body 211, a delivery pipe shell 214 is installed in the box body 211, an auger rod 215 is installed in the delivery pipe shell 214, a motor 212 is connected to the end of the auger rod 215, a motor frame 213 is installed outside the motor 212, a flow control release cylinder 216 is connected to the delivery pipe shell 214, a conical connecting sleeve 221 is installed in the medicine storage hopper 22, a connecting shell cylinder 2161 is installed in the flow control release cylinder 216, a sealing sleeve 2162 is nested outside the connecting shell cylinder 2161, a suspension frame 2163 is installed next to the connecting shell cylinder 2161, an electric motor 2164 is embedded in the suspension frame 2163, threaded adjusting rods 2165 are installed on both sides of the connecting shell cylinder 2161, nuts 2166 are installed on the threaded adjusting rods 2165, and an internal sleeve 2167 is connected to the bottom of the connecting shell cylinder 2161. An internal frame 21671 is installed in the internal sleeve 2167. An even number of channels 21672 are opened on the internal frame 21671. A slow-flow mixing rod 21673 is installed on each channel 21672. An inclined guide block 21674 is fixed on the inner wall of the internal sleeve 2167. A flow control flip plate 21675 is provided in the internal sleeve 2167.

[0032] Furthermore, the shell-connecting cylinder 2161 is mainly used to connect to the surface of the conveying pipe shell 214, so as to complete the input of the medicine with the cooperation of the auger rod 215, and at the same time guide the medicine into the feed conveying pipe of the central feed tower.

[0033] Furthermore, the threaded adjusting rod 2165 mainly works with the lugs on both sides of the sealing sleeve 2162 to nest together, thereby securing the sealing sleeve 2162 with the cooperation of the nut 2166 and the threaded adjusting rod 2165, allowing it to fit against the surface of the feed conveying pipe of the central feed tower.

[0034] Furthermore, at least two slow-flow mixing rods 21673 are provided, which are limited by the tank body 21672 and placed together with the built-in sleeve 2167 in the feed conveying pipe of the central feed tower to complete the stirring of the feed.

[0035] Furthermore, the inclined guide block 21674 is mainly used to guide the internally released medicine, so that it can slide at an angle to both sides of the slow-flow mixing rod 21673, and fall directly into the feed at the agitation point of the slow-flow mixing rod 21673.

[0036] Furthermore, the flow control flip plate 21675 is mainly used to control the opening size of the built-in sleeve 2167, and works with the external electric motor to complete the opening at different angles, so that the flow rate of the medicine is matched with the flow rate of the feed to complete the corresponding opening.

[0037] The specific working principle is as follows: This invention stores the medicine in a medicine storage hopper 22, which is then sealed with a medicine hopper cover 23. The feeding box 21, with the assistance of the machine mounting base 1, forms the bottom of the box 211. The motor 212, driven by the motor frame 213, forms an auger rod 215, which moves the medicine inside the conveying tube shell 214, allowing the medicine to enter the conveying tube shell 214 from the conical connecting sleeve 221 and finally exit from the orifice release cylinder 216. The medicine enters the connecting shell cylinder 2161. The electric motor 2164 of the suspension frame 2163 controls the opening and closing angle of the flow control flip plate 21675 in the built-in sleeve 2167. The sealing sleeve 2162 is controlled by threaded adjusting rods 21 on both sides. The 65 is fitted with the nut 2166 to secure it to the surface of the feed conveying pipe of the central feed tower, while the inner sleeve 2167 is partially nested into the feed conveying pipe of the central feed tower. The feed falling from the flow control flip plate 21675 is guided by the inclined guide block 21674 and falls towards the slow flow mixing plate 21673 limited in the trough 21672 opened on the inner frame 21671. The slow flow mixing plate 21673 agitates the feed in the feed conveying pipe, allowing the medicine to fall directly into the agitated part of the feed while completing the mixing work. This ensures that the medicine is fully mixed, and the flow control flip plate 21675 controls the flow rate, so that the medicine supply and feed supply are matched.

[0038] It should be understood that the embodiments disclosed herein are not limited to the specific processing steps or materials disclosed herein, but should be extended to equivalent substitutions of such features as understood by those skilled in the art. It should also be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting.

[0039] The term "embodiment" in this specification means that a specific feature or characteristic described in connection with an embodiment is included in at least one embodiment of the invention. Therefore, phrases or "embodiments" appearing in various places throughout the specification do not necessarily refer to the same embodiment.

[0040] Furthermore, the described features or characteristics can be incorporated into one or more embodiments in any other suitable manner. In the above description, specific details, such as thickness, quantity, etc., are provided to provide a comprehensive understanding of embodiments of the invention. However, those skilled in the art will understand that the invention can be implemented without the aforementioned specific details or may be implemented using other methods, components, materials, etc.

Claims

1. A central feed tower dosing device for a breeder chicken farm, characterized in that, The device includes a machine mounting base (1), a dosing device (2) is installed above the machine mounting base (1), a lower support platform (11) is provided inside the machine mounting base (1), an even number of lifting connecting columns (12) are installed on the lower support platform (11), an upper support platform (13) is provided above the lifting connecting columns (12), an even number of inner support rods (14) are provided on the upper support platform (13), a carrier fixing plate (15) is supported on the top of the even number of inner support rods (14), and bolt holes (16) are installed on the carrier fixing plate (15). The lifting platform column (12) is provided with a connecting seat (121), and each connecting seat (121) is equipped with a threaded sleeve (122). The threaded sleeve (122) is threaded with a lifting screw (123). The top of the lifting screw (123) is nested with a rotating sleeve (124), and the bottom of the rotating sleeve (124) is provided with a fixing block (125).

2. The central feed tower dosing device for a breeder chicken farm according to claim 1, characterized in that: The lower support platform (11) is provided with a frame frame (111), and an even number of reinforcing support seats (112) are installed on the lower support platform (11). The inner wall of each reinforcing support seat (112) is provided with a hollowed-out reinforcing frame (113). The surface of each hollowed-out reinforcing frame (113) is provided with a frame sliding groove (114). Side threaded seats (116) are installed on both sides of each hollowed-out reinforcing frame (113). Threaded screw rods (117) are screwed onto each side threaded seat (116). Each frame sliding groove (114) is provided with a movable top frame (115). An integrated frame clamp (118) is fixed between each movable top frame (115).

3. The central feed tower dosing device for a breeder chicken farm according to claim 2, characterized in that: The frame clamp (118) and another frame clamp (118) form a clamp, the frame clamp (118) is used to fix the movable top frame (115), the movable top frame (115) is slidably engaged with the frame sliding groove (114), the connecting seat (121) is fixed to the surface of the platform frame (111), the fixing block (125) is fixed to the bottom of the upper support platform (13), and the carrier fixing plate (15) is used to fix the dosing device (2) through the bolt holes (16) on the plate.

4. The central feed tower dosing device for a breeder chicken farm according to claim 3, characterized in that: The dosing device (2) is equipped with a medicine delivery box (21), and a medicine storage hopper (22) is provided above the medicine delivery box (21). The medicine storage hopper (22) is covered with a medicine hopper cover (23), and a conical connecting sleeve (221) is provided inside the medicine storage hopper (22).

5. The central feed tower dosing device for a breeder chicken farm according to claim 4, characterized in that: The medicine delivery box (21) is provided with a box body (211), and a delivery pipe shell (214) is installed in the box body (211). An auger rod (215) is provided in the delivery pipe shell (214), and a motor (212) is connected to the end of the auger rod (215). A motor frame (213) is provided outside the motor (212), and a flow control release cylinder (216) is connected to the delivery pipe shell (214).

6. The central feed tower dosing device for a breeder chicken farm according to claim 5, characterized in that: The flow control and release cylinder (216) is provided with a shell-connecting cylinder body (2161), and a sealing sleeve (2162) is nested outside the shell-connecting cylinder body (2161). A suspension frame (2163) is provided next to the shell-connecting cylinder body (2161), and an electric motor (2164) is embedded in the suspension frame (2163). Threaded adjusting rods (2165) are provided on both sides of the shell-connecting cylinder body (2161), and nuts (2166) are provided on each of the threaded adjusting rods (2165). An internal sleeve (2167) is connected to the bottom of the shell-connecting cylinder body (2161).

7. A central feed tower dosing device for a breeder chicken farm according to claim 6, characterized in that: An internal frame (21671) is installed in the internal sleeve (21677), and an even number of grooves (21672) are opened on the internal frame (21671). A slow-flow mixing rod (21673) is installed on each groove (21672). An inclined guide block (21674) is fixed on the inner wall of the internal sleeve (2167), and a flow control flip plate (21675) is provided in the internal sleeve (2167).

8. The central feed tower dosing device for a breeder chicken farm according to claim 7, characterized in that: The flow control flip plate (21675) is driven by the motor (212), the built-in sleeve (2167) is used to be nested inside the conveying pipe in the central material tower, the sealing sleeve (2162) is used to cover the conveying pipe in the central material tower, the inclined guide block (21674) is set below the flow control flip plate (21675), and the slow flow mixing rod (21673) is limited in movement by the tank body (21672).

9. A central feed tower dosing device for a breeder chicken farm according to claim 6, characterized in that: The sealing sleeve (2162) is secured by the nut (2166) on the threaded adjusting rod (2165). The end of the threaded adjusting rod (2165) is fixed to the bottom of the medicine delivery box (21). The connecting shell cylinder (2161) is connected to the connecting shell cylinder (2161). The conical connecting sleeve (221) is used to connect the medicine storage hopper (22) and the delivery tube shell (214). The bottom of the box (211) is fixed to the carrier fixing plate (15).