Livestock feed pelleting apparatus

By introducing a movable extrusion ring and an L-shaped cutting rod structure into the livestock feed pelleting equipment, combined with a heating plate and a high-pressure water spray system, the problems of drive unit overload and feed sticking are solved, achieving long service life and high-efficiency pelleting of the equipment.

CN122375779APending Publication Date: 2026-07-14XINJIANG TIANRUI AGRI & ANIMAL HUSBANDRY TECH (GRP) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
XINJIANG TIANRUI AGRI & ANIMAL HUSBANDRY TECH (GRP) CO LTD
Filing Date
2026-06-05
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

The drive unit of existing livestock feed pelleting equipment is prone to overload and damage, and the feed pellets tend to stick together.

Method used

It adopts a vertically movable extrusion ring and L-shaped cutting rod structure, combined with a heating plate and high-pressure water spray system, to achieve cutting and drying without rotating the extrusion cylinder, avoid overloading the drive device, and quickly dry feed pellets through the heating plate.

Benefits of technology

It extends the service life of the equipment, prevents feed pellets from sticking together, and improves pelleting efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention discloses a livestock feed pelleting device, including a top extrusion cylinder with an extrusion chamber in its wall. An extrusion ring is installed inside the extrusion chamber. A vertically upward-pointing electric telescopic rod is installed inside the extrusion cylinder, with a top plate connected to its top. A vertical rod connected to the extrusion ring is connected to the edge of the top plate. A pelleting plate is installed in the lower half of the extrusion cylinder. A dustproof motor is fixedly installed at the center of the lower surface of a fixed plate, and a cutting rod is installed at the output end of the dustproof motor. A drying cylinder is installed at the bottom of the extrusion cylinder, and a heating plate is installed inside the drying cylinder. This invention uses the rotating cutting rod to cut the extruded feed, eliminating the need for the extrusion cylinder to rotate and preventing overload operation. Simultaneously, the heating plate guides and heats the cut feed pellets, causing the moisture in the pellets to evaporate rapidly as they roll, achieving the effect of drying the feed pellets and preventing them from sticking together.
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Description

Technical Field

[0001] This invention relates to the field of feed processing technology, specifically to a livestock feed pelleting equipment. Background Technology

[0002] Livestock and poultry are usually fed with feed, which contains a large amount of amino acids, vitamins, high protein and other substances, which can provide the nutrients needed for animal growth. During processing, feed is usually made into pellets so that animals can eat it and it is easy to transport.

[0003] Chinese Patent No. CN115155451A: A pelleting equipment for livestock and poultry feed processing. It uses a power mechanism to control a pushing mechanism to extrude feed into extrusion holes at different positions on a pelleting cylinder. This allows the feed to be easily shaped and extruded into pellets within extrusion holes of different diameters, producing pellets of different specifications to meet the dietary needs of different animal species. This enhances the versatility of the equipment's pelleting function and improves its practicality and reliability. The equipment includes a circular pelleting box, a feed hopper, and a pelleting cylinder. The upper and lower sides of the circular pelleting box are conical. The feed hopper is connected and installed on the top of the circular pelleting box. The pelleting cylinder is located inside the circular pelleting box, with the bottom of the feed hopper extending into the upper part of the pelleting cylinder and contacting it. Multiple sets of extrusion holes are evenly connected on the pelleting cylinder.

[0004] The above technology has the following problems in its implementation: 1. The pelleting cylinder is rotated by a drive device composed of gear sets, while the scraper plate is stationary. Since feed and extrusion equipment are added inside the pelleting cylinder, the weight of the pelleting cylinder is too heavy, which can easily cause the drive device to operate under overload, resulting in damage to the overall mechanical structure; 2. The feed pellets that have just been scraped have a high moisture content, and the above technology lacks drying of the feed pellets, which causes the feed pellets to stick together easily. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a livestock feed pelleting device that solves problems such as the drive components being prone to overload and damage, and feed pellets easily sticking together.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solution: a livestock feed pelleting device, comprising an extrusion cylinder with openings at the top and bottom, an extrusion chamber for extruding feed is provided in the cylinder wall, an extrusion ring that can move up and down is slidably installed in the extrusion chamber, a fixed plate is provided inside the extrusion cylinder, a vertically upward electric telescopic rod is fixedly installed on the upper surface of the fixed plate, a horizontal top plate is fixedly connected to the top of the electric telescopic rod, and a vertically downward vertical rod is fixedly connected to the edge of the top plate, the vertical rod extending through into the extrusion chamber and movably connected to the extrusion ring; An annular granulation plate is movably installed on the inner side of the lower half of the extrusion cylinder. Several granulation holes are opened on the granulation plate. A dustproof motor is fixedly installed at the center of the lower surface of the fixed plate. A cutting rod that fits against the inner wall of the granulation plate is fixedly installed at the output end of the dustproof motor. A removable drying cylinder is installed at the bottom of the extrusion cylinder, and several inclined heating plates are installed inside the drying cylinder.

[0007] Preferably, there are at least four vertical rods, which are evenly distributed around the top plate, and the bottom of the vertical rods are movably connected to the upper surface of the extrusion ring through a movable connecting shaft assembly.

[0008] Preferably, an annular water supply pipe is laid along the edge of the upper surface of the fixed plate. The water supply pipe is provided with an external pipe that connects to the outside. Several Y-shaped water spray pipes are provided on the water supply pipe, and multiple water spray pipes penetrate the fixed plate and extend to the bottom of the fixed plate. One end of the Y-shaped water spray pipe penetrates the inner wall of the extrusion cylinder and extends into the extrusion chamber, while the other end is aligned with the inner wall of the extrusion cylinder. Both spray ends of the Y-shaped water spray pipe are provided with high-pressure water spray heads.

[0009] Preferably, the output end of the dustproof motor is fitted with a connecting cap, the cutting rod has an L-shaped structure, and there are two cutting rods, which are symmetrically arranged on the outside of the connecting cap.

[0010] Preferably, a cleaning port is provided on the outer side of the bottom of the extrusion chamber, and an annular movable cover is installed on the outer side of the cleaning port, and the movable cover is slidably installed on the outer side of the extrusion cylinder.

[0011] Preferably, the bottom of the extrusion cylinder is provided with an annular mounting ring, the drying cylinder is fixedly mounted on the mounting ring by bolts, and the bottom of the drying cylinder is funnel-shaped.

[0012] Preferably, the heating plate is equipped with a heating resistance wire inside, and there are at least two heating plates. One end of the heating plate is fixedly connected to the wall of the drying cylinder, and the other end is inclined downward. The heating plates are staggered between each other.

[0013] Preferably, the bottom of the extrusion cylinder is provided with at least three support legs.

[0014] This invention provides a livestock feed pelleting device, which has the following beneficial effects: 1. This invention uses a rotating cutting rod to cut the extruded feed, eliminating the need for the extrusion cylinder to rotate. Only a small driving force from the dustproof motor is required to cut and granulate the feed, avoiding overload operation and helping to extend the service life of the device. 2. This invention uses a heating plate to guide and heat the cut feed pellets, causing the feed pellets to roll down while the moisture in the feed pellets evaporates quickly, thus achieving the effect of drying the feed pellets and preventing them from sticking together. Attached Figure Description

[0015] Figure 1 This is the front view of the present invention; Figure 2 This is a schematic diagram of the internal structure of the present invention.

[0016] In the picture: 1. Extrusion cylinder; 2. Fixing plate; 3. Electric telescopic rod; 4. Top plate; 5. Vertical rod; 6. Extrusion ring; 7. Water supply pipe; 8. External pipe; 9. Water spray pipe; 10. Dustproof motor; 11. Cutting rod; 12. Granulation plate; 13. Cleaning port; 14. Movable cover; 15. Mounting ring; 16. Drying cylinder; 17. Heating plate; 18. Support leg; 19. Connecting cap; 20. Feed inlet; 21. Extrusion chamber. Detailed Implementation

[0017] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0018] Please see Figure 1 and Figure 2 The present invention provides a technical solution: a livestock feed pelleting device, including an extrusion cylinder 1 with openings at the top and bottom, an extrusion chamber 21 for extruding feed is provided on the cylinder wall of the extrusion cylinder 1, an extrusion ring 6 that can move up and down is slidably installed in the extrusion chamber 21, a fixing plate 2 is provided inside the extrusion cylinder 1, a vertically upward electric telescopic rod 3 is fixedly installed on the upper surface of the fixing plate 2, a horizontal top plate 4 is fixedly connected to the top of the electric telescopic rod 3, a vertically downward vertical rod 5 is fixedly connected to the edge of the top plate 4, and the vertical rod 5 extends through into the extrusion chamber 21 and is movably connected to the extrusion ring 6; An annular pelletizing plate 12 is movably installed on the inner side of the lower half of the extrusion cylinder 1. The pelletizing plate 12 is installed and fixed by bolts. Later, by removing the bolts, the pelletizing plate 12 with different hole sizes can be replaced, thereby producing feed pellets of different diameters. The pelletizing plate 12 has several pelletizing holes. A dustproof motor 10 is fixedly installed at the center of the lower surface of the fixing plate 2. A cutting rod 11 that fits against the inner wall of the pelletizing plate 12 is fixedly installed at the output end of the dustproof motor 10. A detachable drying cylinder 16 is installed at the bottom of the extrusion cylinder 1, and several inclined heating plates 17 are provided inside the drying cylinder 16.

[0019] In this embodiment, there are at least four vertical rods 5, which are evenly distributed around the top plate 4. The bottom of the vertical rods 5 is movably connected to the upper surface of the extrusion ring 6 through a movable connecting shaft assembly. In a preferred embodiment, the movable connecting shaft assembly includes two semi-circular structures fixed to the upper surface of the extrusion ring 6. A flexibly rotatable connecting shaft is installed between the two semi-circular structures. The bottom end of the vertical rod 5 is fixedly connected to the connecting shaft. In this way, even if the vertical rod 5 is slightly tilted during the descent, it can still descend smoothly and push the extrusion ring 6 to move downward smoothly through the movable connecting shaft assembly.

[0020] In this embodiment, an annular water supply pipe 7 is laid along the edge of the upper surface of the fixed plate 2. An external pipe 8 connected to the outside is provided on the water supply pipe 7. Several Y-shaped water spray pipes 9 are provided on the water supply pipe 7, and the multiple water spray pipes 9 penetrate the fixed plate 2 and extend below the fixed plate 2. One end of the Y-shaped water spray pipe 9 penetrates the inner wall of the extrusion cylinder 1 and extends into the extrusion chamber 21, and the other end is aligned with the inner wall of the extrusion cylinder 1. Both spray ends of the Y-shaped water spray pipe 9 are provided with high-pressure water nozzles. The external pipe 8 is connected to an external water tap. Pressurized water from the outside is transported to the water supply pipe 7 through the external pipe 8, and the high-pressure water nozzles on the Y-shaped water spray pipe 9 spray the water onto the inner surface of the extrusion chamber 21 and the extrusion cylinder 1, which helps to clean the residual feed on the extrusion chamber 21 and the pelleting plate 12 in the subsequent auxiliary cleaning.

[0021] In this embodiment, the output end of the dustproof motor 10 is fitted with a connecting cap 19, the cutting rod 11 has an L-shaped structure, and there are two cutting rods 11. The two cutting rods 11 are symmetrically arranged on the outside of the connecting cap 19. As a preferred embodiment, the dustproof motor 10 is a speed-regulating motor that can adjust the speed. The dustproof motor 10 drives the cutting rod 11 to rotate at different speeds, and in conjunction with the extrusion of the extrusion ring 6, it can cut feed pellets of different lengths.

[0022] In this embodiment, a cleaning port 13 is provided on the outer side of the bottom of the extrusion chamber 21. An annular movable cover 14 is installed on the outer side of the cleaning port 13, and the movable cover 14 is slidably installed on the outer side of the extrusion cylinder 1. After the device is used up, the movable cover 14 is pushed upward by hand to open the cleaning port, so that the remaining feed in the extrusion chamber 21 can be cleaned through the cleaning port.

[0023] In this embodiment, the bottom of the extrusion cylinder 1 is provided with an annular mounting ring 15, and the drying cylinder 16 is fixedly mounted on the mounting ring 15 by bolts. This arrangement facilitates the replacement of the damaged drying cylinder 16 when the heating plate 17 inside the drying cylinder 16 is damaged. The bottom of the drying cylinder 16 is funnel-shaped, which facilitates the centralized collection of dried feed pellets.

[0024] In this embodiment, a heating resistance wire is provided inside the heating plate 17. There are at least two heating plates 17. One end of the heating plate 17 is fixedly connected to the wall of the drying cylinder 16, and the other end is inclined downward. The heating plates 17 are staggered and distributed among each other. The interior of the heating plate 17 is a hollow structure, and the heating resistance wire is installed inside the hollow structure. The heating resistance wire is used to heat the heating plate 17, and then the heated heating plate 17 is used to heat the rolling feed pellets to dry them.

[0025] In this embodiment, the bottom of the extrusion cylinder 1 is provided with at least three support legs 18.

[0026] Working principle: In the ready state, the electric telescopic rod 3 is activated. The electric telescopic rod 3 extends and pushes the top plate 4 upward. The top plate 4 then drives the extrusion ring 6 upward through the vertical rod 5 until the extrusion ring 6 moves above the feed inlet 20. Feed is poured into the extrusion ring 6 through the feed inlet 20. At the same time, the electric telescopic rod 3, the dustproof motor 10, and the heating resistance wire in the heating plate 17 are activated. The electric telescopic rod 3 retracts (the force generated when the industrial electric telescopic rod extends and retracts is basically the same), and drives the vertical rod 5 downward through the top plate 4. The vertical rod 5 then squeezes the feed downward through the extrusion ring 6. After being squeezed, the feed is squeezed out from the pelleting hole on the pelleting plate 12. At the same time, the dustproof motor 10 drives the cutting rod 11 to rotate rapidly. The cutting rod 11 cuts the extruded feed into feed pellets. The cut feed pellets fall onto the heating plate 17 and roll along the heating plate 17. While rolling, the heating plate 17 heats and dries the feed pellets. Finally, the feed is discharged from the bottom of the drying cylinder 16.

[0027] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A livestock feed pelleting device, characterized in that: The extrusion cylinder (1) includes openings at the top and bottom. The cylinder wall of the extrusion cylinder (1) is provided with an extrusion chamber (21) for extruding feed. An extrusion ring (6) that can move up and down is slidably installed in the extrusion chamber (21). A fixing plate (2) is provided inside the extrusion cylinder (1). A vertically upward electric telescopic rod (3) is fixedly installed on the upper surface of the fixing plate (2). A horizontal top plate (4) is fixedly connected to the top of the electric telescopic rod (3). A vertically downward vertical rod (5) is fixedly connected to the edge of the top plate (4). The vertical rod (5) extends through into the extrusion chamber (21) and is movably connected to the extrusion ring (6). An annular granulation plate (12) is movably installed on the inner side of the lower half of the extrusion cylinder (1). Several granulation holes are opened on the granulation plate (12). A dustproof motor (10) is fixedly installed at the center of the lower surface of the fixing plate (2). A cutting rod (11) that fits against the inner wall of the granulation plate (12) is fixedly installed at the output end of the dustproof motor (10). A removable drying cylinder (16) is installed at the bottom of the extrusion cylinder (1), and several inclined heating plates (17) are provided inside the drying cylinder (16).

2. The livestock feed pelleting equipment according to claim 1, characterized in that: There are at least four vertical rods (5), which are evenly distributed around the top plate (4). The bottom of the vertical rods (5) is movably connected to the upper surface of the extrusion ring (6) through a movable connecting shaft assembly.

3. The livestock feed pelleting equipment according to claim 1, characterized in that: A ring-shaped water supply pipe (7) is laid along the edge of the upper surface of the fixed plate (2). An external pipe (8) connected to the outside is provided on the water supply pipe (7). Several Y-shaped water spray pipes (9) are provided on the water supply pipe (7). Multiple water spray pipes (9) penetrate the fixed plate (2) and extend to the bottom of the fixed plate (2). One end of the Y-shaped water spray pipe (9) penetrates the inner wall of the extrusion cylinder (1) and extends into the extrusion chamber (21). The other end is aligned with the inner wall of the extrusion cylinder (1). Both spray ends of the Y-shaped water spray pipe (9) are provided with high-pressure water spray heads.

4. The livestock feed pelleting equipment according to claim 1, characterized in that: The output end of the dustproof motor (10) is fitted with a connecting cap (19). The cutting rod (11) has an L-shaped structure and there are two cutting rods (11). The two cutting rods (11) are symmetrically arranged on the outside of the connecting cap (19).

5. The livestock feed pelleting equipment according to claim 1, characterized in that: A cleaning port (13) is provided on the outer side of the bottom of the extrusion chamber (21). An annular movable cover (14) is installed on the outer side of the cleaning port (13), and the movable cover (14) is slidably installed on the outer side of the extrusion cylinder (1).

6. The livestock feed pelleting equipment according to claim 1, characterized in that: The bottom of the extrusion cylinder (1) is provided with an annular mounting ring (15), and the drying cylinder (16) is fixedly mounted on the mounting ring (15) by bolts, and the bottom of the drying cylinder (16) is funnel-shaped.

7. The livestock feed pelleting equipment according to claim 1, characterized in that: Heating resistance wires are installed inside the heating plate (17). There are at least two heating plates (17). One end of the heating plate (17) is fixedly connected to the wall of the drying cylinder (16), and the other end is tilted downward. The heating plates (17) are staggered.

8. The livestock feed pelleting equipment according to claim 1, characterized in that: The bottom of the extrusion cylinder (1) is provided with at least three support legs (18).

Citation Information

Patent Citations

  • Livestock feed blending, processing and granulating equipment for animal husbandry

    CN115155451A