A feed production mixer

Abstract

This utility model relates to the technical field of feed processing equipment, and discloses a feed production mixer, including an outer shell, an inner shell, and a jacket. The inner shell is provided with a feed inlet, a feed cone, a stirring mechanism, and a discharge assembly. A driver is fixedly connected to the outside of the outer shell, and the output end of the driver is rotatably connected to the stirring mechanism. The stirring mechanism includes a protective shell, a rotating rod, a main gear, a fixed rod, a driven gear, an outer spiral ribbon, an inner spiral ribbon, and turbulence teeth. The driver drives the rotating rod to rotate, which in turn drives the inner spiral ribbon and the main gear to rotate. The main gear drives the outer spiral ribbon to rotate through the driven gear, the fixed rod, and the protective shell, causing the inner and outer spiral ribbons to rotate in opposite directions for efficient feed mixing. This utility model solves the problems of uneven mixing, easy feed agglomeration, and low production efficiency in the prior art, achieving the technical effects of improving mixing uniformity, feeding accuracy, and automation level, and adapting to temperature control requirements in different seasons.

Description

Technical Field

[0001] This utility model relates to the field of feed processing equipment technology, and in particular to a feed production mixer. Background Technology

[0002] Feed mixing machines are key equipment in the feed processing industry. Their main function is to uniformly mix various raw materials to ensure the nutritional balance and stable quality of the final feed product.

[0003] Existing feed production mixers typically use a stirring mechanism to agitate and mix the feed within the chamber. Among these, the ribbon mixer is widely used due to its simple structure and low cost.

[0004] However, in practical use, traditional single-layer or unidirectional rotating ribbon mixers have significant limitations. When the mixing mechanism pushes the feed in only one direction, the feed tends to rotate uniformly within the chamber rather than effectively convecting and shearing. This phenomenon leads to "mixing dead zones" within the mixing chamber, where some feed cannot be fully mixed. Furthermore, for feed ingredients that are prone to clumping due to the addition of oils or molasses, this single mixing force is insufficient to effectively break them up, severely affecting the uniformity of the final product. Therefore, this invention proposes a feed production mixer to address the shortcomings of the existing technology. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a feed production mixer, which aims to improve the problems of uneven feed mixing, easy generation of mixing dead zones, and insufficient ability to handle clumped feed in some existing feed production mixers.

[0006] This utility model provides a feed production mixer, including an outer shell, an inner shell inside the outer shell, and a jacket between the outer shell and the inner shell; a feed inlet is provided at the top of the inner shell, a feed cone is provided below the feed inlet, a stirring mechanism is provided inside the inner shell, and a discharge component is provided at the bottom of the inner shell; a driver is fixedly connected to the outside of the outer shell, and the output end of the driver is rotatably connected to the stirring mechanism.

[0007] The stirring mechanism includes a protective shell, a rotating rod, a main gear, a fixed rod, a driven gear, an outer spiral ribbon, an inner spiral ribbon, and turbulence-inducing teeth.

[0008] The output end of the driver is rotatably connected to the top of the first rotating rod, which extends along its axis to the bottom of the inner housing. The inner layer screw is coaxially and fixedly connected to the lower part of the first rotating rod, and the main gear is coaxially and fixedly connected to the middle part of the first rotating rod.

[0009] Through the above technical solution: the feed production mixer has a jacket formed between the outer shell and the inner shell, thereby preventing internal problems. Under the action of the metering mechanism and the stirring mechanism, the feed is processed evenly.

[0010] Preferably, the driven gear meshes with the main gear, and the rotation axis of the driven gear slides around the outer periphery of the fixed rod. The lower end of the fixed rod is fixedly connected to the outer spiral ribbon. The protective shell is coaxially sleeved outside the rotating rod, and the lower end of the protective shell is rotatably connected to the top of the outer spiral ribbon via a bearing. Turbulence teeth are radially fixedly connected to the outer periphery of the inner spiral ribbon. The rotating rod drives the inner spiral ribbon and the main gear to rotate, and the main gear then drives the driven gear and the fixed rod to rotate, ultimately achieving the opposite rotation of the inner and outer spiral ribbons, thereby forming efficient feed convection and shear mixing.

[0011] The above technical solution involves the meshing of the driven gear and the main gear, which causes the fixed rod to rotate the outer spiral ribbon. Meanwhile, a rotating rod radially fixes turbulence-inducing teeth to the outer periphery of the inner spiral ribbon. During operation, the rotating rod drives the inner spiral ribbon and the main gear to rotate. The main gear then drives the driven gear and the fixed rod to rotate, causing the inner and outer spiral ribbons to rotate in opposite directions, combined with the effect of the turbulence-inducing teeth, resulting in efficient mixing.

[0012] Preferably, to achieve precise feed flow control and prevent blockage, this feed mixing machine is also equipped with a metering mechanism at the feed inlet. The metering mechanism includes a motor, a second rotating rod, a second protective shell, a fixed column, a fixed block, a guide plate, a telescopic block, and a cleaning plate. The motor is driven by the second rotating rod, which is rotatably mounted inside the second protective shell. The fixed column is fixedly mounted inside the second protective shell, and the fixed block slides along the length of the outer circumference of the fixed column. The guide plate is rotatably connected to the top of the fixed block and is used to control the feed feed rate. The telescopic block slides vertically inside the fixed block, and the cleaning plate is fixedly connected to the bottom of the telescopic block. Through the movement of the telescopic block, the cleaning plate can effectively clean the surface of the guide plate, ensuring smooth and accurate feeding.

[0013] The above technical solution involves adding a metering mechanism at the feed inlet, which drives a rotating rod two via a motor drive. The rotating rod two is rotatably installed inside the protective shell two, and the fixed column is also fixed inside the protective shell two. The fixed block slides along the length of the fixed column, and the top of the fixed block is rotatably connected to a guide plate for controlling the feed amount. Thus, under the action of the guide plate, the feed is metered.

[0014] Preferably, to achieve automated discharge after mixing, this feed production mixer also includes a discharge assembly. The discharge assembly includes a partition plate, a moving plate, an actuator, a guide plate, and a moving block. The partition plate is fixedly connected to the discharge port at the bottom of the inner shell, and the moving plate slides horizontally within the partition plate. The actuator is detachably driven and connected to one side of the moving plate, the guide plate is fixedly connected to the inner wall of the partition plate, and the moving block is fixedly connected to the side of the moving plate and slides against the guide plate. This structure allows the actuator to precisely control the linear sliding of the moving plate, thereby achieving automatic opening and closing of the discharge port.

[0015] Through the above technical solution: the actuator in the discharge assembly receives the impact of the feed, thereby discharging the feed and continuing to crush it. The actuator drives the moving plate to move, thereby stabilizing it.

[0016] Preferably, to ensure stable operation of the equipment over a long period and prevent media leakage, the jacket and the outer wall of the inner shell are connected by seamless welding. This high-strength connection method can effectively cope with pressure and temperature changes of the internal media, ensuring the sealing of the jacket and the durability of the equipment.

[0017] The above technical solution connects the outer shell and the inner shell, thereby stabilizing the temperature of the inner shell and preventing problems with the feed.

[0018] Preferably, to achieve optimal mixing uniformity and efficiency, the outer spiral ribbon in the mixing mechanism rotates in the opposite direction to the inner spiral ribbon. This reverse rotation design creates strong feed shearing and convection during mixing, preventing the feed from following the grains and significantly improving the thoroughness of mixing.

[0019] The above technical solution involves the opposite rotation of the outer and inner spiral ribbons, which allows the feed to be processed stably as a whole, thus improving the thoroughness of feed mixing.

[0020] Preferably, in the metering mechanism, the bottom of the cleaning plate contacts the top of the guide plate. This close contact ensures that the cleaning plate can effectively scrape off feed adhering to the surface of the guide plate during movement, further improving the accuracy of metering and the reliability of the mechanism.

[0021] Through the above technical solution: the cleaning plate continuously cleans the surface of the guide plate as the guide plate rotates, thus cleaning the surface of the guide plate.

[0022] Preferably, in the metering mechanism, the telescopic block extends and retracts under the weight of the cleaning plate itself. This design, which utilizes gravity for passive extension and retraction, simplifies the drive structure, reduces the complexity of the mechanism, and ensures reliable contact between the cleaning plate and the guide plate, making the cleaning function more stable.

[0023] Through the above technical solution: the telescopic block is under the weight of the cleaning plate, so that the weight of the cleaning plate passes over the telescopic block, and thus cleans the surface of the guide plate.

[0024] Preferably, in the discharge assembly, the actuator receives the impact force of the feed, and drives the moving plate to move when the impact force is below a preset threshold. This intelligent sensing mechanism enables the mixer to automatically determine the discharge timing based on the actual degree of feed breakage or mixing uniformity, avoiding premature or delayed discharge and achieving intelligent and automated control of the mixing process.

[0025] Through the above technical solution: after being impacted by the feed, the actuator causes the moving plate to move, and moves stably under the action of the moving block.

[0026] This utility model has the following beneficial effects: 1. This utility model solves the problems of uneven feed mixing and low mixing efficiency in the prior art by setting a stirring mechanism with inner and outer spiral ribbons rotating in opposite directions. It achieves the technical effect of making the feed form a more complex convection circulation in the mixing chamber, effectively improving the mixing uniformity and mixing efficiency.

[0027] 2. This utility model solves the problem of feed sticking to the feeding component, causing blockage and inaccurate metering in the prior art by setting a cleaning plate that is driven to extend and retract by its own gravity in the quantitative mechanism. It achieves the technical effects of ensuring the cleanliness of the guide plate surface, improving the quantitative feeding accuracy and the reliability of the mechanism operation.

[0028] 3. This utility model uses an actuator in the discharge assembly to sense the impact force of the feed and control the opening and closing of the moving plate. This solves the problem in the prior art that it is difficult to judge the degree of mixing in real time, and that manual sampling or timed control are required, resulting in a low degree of automation. It achieves the technical effect of intelligent judgment of the degree of mixing and crushing, automated discharge, and improved production efficiency.

[0029] 4. This utility model solves the problem that feed ingredients are easily affected by temperature in different seasons in the prior art by setting a jacket between the outer shell and the inner shell. It achieves the technical effect of effectively controlling the temperature in the mixing chamber by adjusting the temperature of the medium in the jacket, ensuring stable feed quality and adapting to the production needs of different seasons. Attached Figure Description

[0030] Figure 1 This is a three-dimensional schematic diagram of a feed production mixer proposed in this utility model; Figure 2 This is a schematic diagram of the feed cone of a feed production mixer proposed in this utility model; Figure 3This is a schematic diagram of the outer spiral ribbon structure of a feed production mixer proposed in this utility model; Figure 4 This is a schematic diagram of the structure of the guide plate of a feed production mixer proposed in this utility model; Figure 5 This is a schematic diagram of the moving plate of a feed production mixer proposed in this utility model.

[0031] Explanation of reference numerals in the attached figures: 1. Outer shell; 2. Feed inlet; 3. Feed cone; 4. Driver; 5. Stirring mechanism; 51. Protective shell one; 52. Rotating rod one; 53. Main gear; 54. Fixed rod; 55. Driven gear; 56. Outer spiral ribbon; 57. Inner spiral ribbon; 58. Turbulence teeth; 59. Discharge assembly; 591. Isolation plate; 592. Moving plate; 593. Actuator; 594. Guide plate; 595. Moving block; 6. Metering mechanism; 61. Motor; 62. Rotating rod two; 63. Protective shell two; 64. Fixed column; 65. Fixed block; 66. Guide plate; 67. Telescopic block; 68. Cleaning plate; 7. Inner shell; 8. Jacket. Detailed Implementation

[0032] The following combination Figures 1-5 This application will be described in further detail below.

[0033] Reference Figures 1 to 4 As shown in the figure, this utility model embodiment provides a feed production mixer, which aims to solve the structural defects of uneven mixing, easy agglomeration of feed and low production efficiency in the prior art.

[0034] like Figure 1 and Figure 2 As shown, the feed production mixer includes an outer shell 1 and an inner shell 7 disposed inside the outer shell 1. A jacket 8 is formed between the outer shell 1 and the inner shell 7. The outer shell 1 serves as the main frame of the entire mixer, and the inner shell 7 serves as the cavity for feed mixing.

[0035] The inner shell 7 has a feed inlet 2 at the top, and a feed cone 3 is located below the feed inlet 2 to facilitate feed entry. A stirring mechanism 5 is installed inside the inner shell 7 to mix and crush the feed ingredients. A discharge assembly 59 is located at the bottom of the inner shell 7 to control the discharge of the feed after mixing.

[0036] A driver 4 is fixedly connected to the outside of the outer casing 1. The output end of the driver 4 is rotatably connected to the stirring mechanism 5 to provide power to the stirring mechanism 5.

[0037] The mixing mechanism 5 includes a protective shell 51, a rotating rod 52, a main gear 53, a fixed rod 54, a driven gear 55, an outer spiral ribbon 56, an inner spiral ribbon 57, and turbulence teeth 58. The output end of the driver 4 is rotatably connected to the top of the rotating rod 52, which extends along its axis to the bottom of the inner shell 7. The inner spiral ribbon 57 is coaxial and fixedly connected to the lower part of the rotating rod 52, so the inner spiral ribbon 57 rotates synchronously with the rotating rod 52, internally pushing and crushing the feed.

[0038] The main gear 53 is coaxial and fixedly connected to the middle of the rotating rod 52, and rotates synchronously with the rotating rod 52. The driven gear 55 meshes with the main gear 53, and the rotation axis of the driven gear 55 is slidably fitted on the outer circumference of the fixed rod 54. This means that when the main gear 53 rotates, it will drive the driven gear 55 to rotate. The lower end of the fixed rod 54 is fixedly connected to the outer threaded ribbon 56, so the rotation of the driven gear 55 drives the outer threaded ribbon 56 to rotate through the fixed rod 54.

[0039] The protective shell 51 is coaxially sleeved outside the rotating rod 52, and the lower end of the protective shell 51 is rotatably connected to the top of the outer spiral ribbon 56 via a bearing. This allows the protective shell 51 to rotate together with the outer spiral ribbon 56 and maintain relative rotation with the inner rotating rod 52. Due to the meshing relationship between the main gear 53 and the driven gear 55, and the connection method of the inner and outer spiral ribbons, the rotation directions of the outer spiral ribbon 56 and the inner spiral ribbon 57 are opposite, forming a highly efficient counter-current mixing flow. The turbulence teeth 58 are radially fixedly connected to the outer periphery of the inner spiral ribbon 57, assisting the inner spiral ribbon 57 in breaking up and crushing the feed.

[0040] The feed production mixer also includes a metering mechanism 6 and a discharge component 59. The metering mechanism 6 is located at the aforementioned feed inlet 2, and the discharge component 59 is located at the bottom of the aforementioned inner shell 7, forming a specific structural fit and connection relationship with the aforementioned inner shell 7.

[0041] Reference Figure 1 and Figure 3As shown, the metering mechanism 6 includes a motor 61, a second rotating rod 62, a second protective shell 63, a fixed column 64, a fixed block 65, a guide plate 66, a telescopic block 67, and a cleaning plate 68. The motor 61 is driven by the second rotating rod 62, which provides power. The second rotating rod 62 is rotatably mounted inside the second protective shell 63, which provides support and protection for it. The fixed column 64 is fixedly mounted inside the second protective shell 63, serving as a support for subsequent components. The fixed block 65 is slidably fitted along the length of the outer circumference of the fixed column 64, allowing it to move up and down along the column. The guide plate 66 is rotatably connected to the top of the fixed block 65, and its rotation controls the feed flow rate. The telescopic block 67 is slidably fitted inside the fixed block 65 along the vertical direction, allowing it to extend and retract. The cleaning plate 68 is fixedly connected to the bottom of the telescopic block 67, and its bottom contacts the top of the guide plate 66. When the telescopic block 67 extends or retracts, the cleaning plate 68 can scrape and clean the feed on the guide plate 66 to ensure smooth feeding.

[0042] Reference Figure 1 and Figure 4 As shown, the discharge assembly 59 includes a partition plate 591, a movable plate 592, an actuator 593, a guide plate 594, and a moving block 595. The partition plate 591 is fixedly connected to the bottom discharge port of the inner shell 7, serving as the overall mounting base for the discharge assembly. The movable plate 592 slides horizontally within the partition plate 591, opening or closing the discharge port. The actuator 593 is detachably driven to one side of the movable plate 592; upon receiving a specific signal, the actuator 593 can drive the movable plate 592 to perform linear motion. The guide plate 594 is fixedly connected to the inner wall of the partition plate 591, providing guidance for the movement of the movable plate 592. The moving block 595 is fixedly connected to the side of the movable plate 592 and slides against the guide plate 594, ensuring smooth linear movement of the movable plate 592 during the discharge process. The actuator 593 receives feed impact force; when the feed impact force is below a preset threshold, it drives the movable plate 592 to move.

[0043] Reference Figure 1 and Figure 3As shown, the metering mechanism 6 includes a motor 61, whose output shaft is connected to a rotating rod 62, providing rotational power to the rotating rod 62. The rotating rod 62 is rotatably mounted inside a protective shell 63, which provides axial support and protection for the rotating rod 62. A fixed column 64 is fixedly mounted inside the protective shell 63, and a fixed block 65 is slidably fitted on the outer periphery of the fixed column 64 along its length, allowing the fixed block 65 to move up and down along the axis of the fixed column 64. A guide plate 66 is rotatably connected to the top of the fixed block 65, and the rotation opening of the guide plate 66 determines the feed feed rate. A telescopic block 67 is slidably fitted inside the fixed block 65 along the vertical direction, allowing the telescopic block 67 to perform vertical telescopic movement. A cleaning plate 68 is fixedly connected to the bottom of the telescopic block 67, with the bottom of the cleaning plate 68 contacting the top of the guide plate 66. When the telescopic block 67 moves, the cleaning plate 68 scrapes the surface of the guide plate 66 to prevent feed from adhering or clogging.

[0044] Reference Figure 1 and Figure 4 As shown, the discharge assembly 59 includes a partition plate 591, which is fixedly connected to the bottom discharge port of the inner shell 7, serving as the overall support for the discharge mechanism. A movable plate 592 is slidably fitted inside the partition plate 591 along a horizontal direction, and the movable plate 592 opens or closes the discharge port by sliding horizontally. An actuator 593 is detachably driven and connected to one side of the movable plate 592, and the actuator 593 causes the movable plate 592 to move by driving force. A guide plate 594 is fixedly connected to the inner wall of the partition plate 591 to provide precise guidance for the sliding of the movable plate 592. A movable block 595 is fixedly connected to the side of the movable plate 592 and slidably fitted to the guide plate 594 to ensure that the movable plate 592 moves linearly along a preset path under the drive of the actuator 593.

[0045] The jacket 8 and the outer wall of the inner shell 7 are connected by seamless welding. This connection method can effectively prevent leakage of heating or cooling medium and ensure the airtightness and safety of the jacket 8. The outer spiral ribbon 56 and the inner spiral ribbon 57 in the stirring mechanism 5 rotate in opposite directions. This reverse rotation design can form more complex and intense feed convection, thereby improving mixing efficiency and uniformity. The bottom of the cleaning plate 68 contacts the top of the guide plate 66. This contact method ensures that the cleaning plate 68 can effectively scrape off any feed that may accumulate on the guide plate 66, avoiding the impact of feed adhesion on the quantitative accuracy. The telescopic block 67 extends and retracts under the gravity of the cleaning plate 68 itself. This passive extension and retraction method simplifies the drive structure. The contact and separation of the cleaning plate 68 and the guide plate 66 are achieved by gravity, which improves the reliability of the mechanism. The actuator 593 in the discharge assembly 59 is used to receive the feed impact force. When the feed impact force is lower than the preset threshold, the actuator 593 drives the moving plate 592 to move. This means that when the feed is fully mixed and crushed, its particle size becomes smaller, and the impact force on the actuator 593 is reduced to a certain extent, the discharge port will automatically open, realizing intelligent judgment and automated discharge of the mixing process.

[0046] The implementation principle of this embodiment is as follows: The operator feeds the raw materials into the feed inlet 2. At this time, the metering mechanism 6 starts working. The operator starts the motor 61, which then drives the rotating rod 62 to rotate inside the protective shell 63. The rotation of the rotating rod 62 causes the guide plate 66 on top of the fixing block 65 outside the fixing column 64 to rotate. The rotation of the guide plate 66 precisely controls the flow rate of feed into the inner shell 7, achieving metered feeding. During the rotation of the guide plate 66, the telescopic block 67 inside the fixing block 65 extends and retracts under the weight of the cleaning plate 68, so that the bottom of the cleaning plate 68 contacts the top of the guide plate 66, scraping and cleaning the feed on the guide plate 66 to ensure smooth feeding and prevent feed accumulation.

[0047] After the feed is quantitatively fed into the inner shell 7, the operator starts the driver 4, causing the stirring mechanism 5 to begin stirring. The output end of the driver 4 is rotatably connected to the top of the rotating rod 52, driving the rotating rod 52 to rotate inside the protective shell 51. The lower part of the rotating rod 52 is coaxially and fixedly connected to an inner helical ribbon 57, which rotates synchronously with the rotating rod 52, pushing the feed upward and mixing it internally. At the same time, the main gear 53 is coaxially and fixedly connected to the middle of the rotating rod 52. The main gear 53 rotates with the rotating rod 52 and meshes with the driven gear 55, driving the driven gear 55 to rotate. The rotation axis of the driven gear 55 is slidably fitted to the outer circumference of the fixed rod 54, and the lower end of the fixed rod 54 is fixedly connected to the outer helical ribbon 56. The protective shell 51 is coaxially sleeved outside the rotating rod 52, and the lower end of the protective shell 51 is rotatably connected to the top of the outer spiral ribbon 56 via a bearing. This allows the outer spiral ribbon 56 to rotate in the opposite direction to the inner spiral ribbon 57 through the driven gear 55, the fixed rod 54, and the protective shell 51. The rotation of the outer spiral ribbon 56 pushes the feed downward, forming a circulating flow, while the inner spiral ribbon 57 and the radially fixed baffle teeth 58 on its outer periphery work together to quickly break up and finely mix the feed. This structure of the inner and outer spiral ribbons rotating in opposite directions allows the feed to continuously circulate and tumble within the inner shell 7, and be fully sheared, dispersed, and mixed to achieve high uniformity.

[0048] During the mixing and crushing process, when the feed is not fully crushed, its particles are relatively large and will impact the actuator 593 of the discharge assembly 59, generating a strong impact signal. Once the feed is crushed to the preset particle size, its impact force on the actuator 593 weakens, and the actuator 593, no longer receiving a strong impact signal, will trigger an action. The actuator 593 then drives the moving plate 592 to move. The moving plate 592 slides horizontally within the isolation plate 591 and, under the sliding action of the guide plate 594 and the moving block 595, moves linearly, thereby opening the discharge port and allowing the mixed feed to enter the next process.

[0049] To adapt to production needs in different seasons, the jacket 8 formed between the outer shell 1 and the inner shell 7 can be circulated with 30-40℃ hot water in winter to prevent the oil in the feed from solidifying, or with 20-25℃ cooling water in summer to prevent the raw materials from absorbing moisture and clumping due to high temperature. The jacket 8 is seamlessly welded to the outer wall of the inner shell 7 to ensure that the medium does not leak.

[0050] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A feed production mixer comprising: The outer shell (1) has an inner shell (7) inside it, and a jacket (8) is formed between the outer shell (1) and the inner shell (7). The inner shell (7) has a feed inlet (2) at the top, a feed cone (3) is provided below the feed inlet (2), a stirring mechanism (5) is provided inside the inner shell (7), and a discharge assembly (59) is provided at the bottom of the inner shell (7). A driver (4) is fixedly connected to the outside of the outer shell (1), and the output end of the driver (4) is rotatably connected to the stirring mechanism (5). The stirring mechanism (5) is characterized in that it includes a protective shell (51), a rotating rod (52), a main gear (53), a fixed rod (54), a driven gear (55), an outer spiral ribbon (56), an inner spiral ribbon (57), and a turbulence tooth (58). The output end of the driver (4) is rotatably connected to the top end of the rotating rod (52). The rotating rod (52) extends along its axis to the bottom of the inner shell (7). The inner spiral ribbon (57) is coaxial and fixedly connected to the lower part of the rotating rod (52).

2. The feed production mixer of claim 1, wherein, The main gear (53) is coaxial and fixedly connected to the middle of the rotating rod (52). The driven gear (55) meshes with the main gear (53). The rotation axis of the driven gear (55) is slidably fitted to the outer periphery of the fixed rod (54). The lower end of the fixed rod (54) is fixedly connected to the outer layer threaded ribbon (56). The protective shell (51) is coaxially sleeved on the outside of the rotating rod (52). The lower end of the protective shell (51) is rotatably connected to the top of the outer layer threaded ribbon (56) through a bearing. The turbulence tooth (58) is radially fixedly connected to the outer periphery of the inner layer threaded ribbon (57).

3. The feed production mixer of claim 1, wherein, A metering mechanism (6) is also provided at the feed inlet (2). The metering mechanism (6) includes a motor (61), a rotating rod (62), a protective shell (63), a fixed column (64), a fixed block (65), a guide plate (66), a telescopic block (67), and a cleaning plate (68). The motor (61) is connected to the rotating rod (62) in a transmission manner. The rotating rod (62) is rotatably disposed inside the protective shell (63). The fixed column (64) is fixedly disposed inside the protective shell (63). The fixed block (65) is slidably fitted on the outer periphery of the fixed column (64) along the length direction. The guide plate (66) is rotatably connected to the top of the fixed block (65). The telescopic block (67) is slidably fitted inside the fixed block (65) along the vertical direction. The cleaning plate (68) is fixedly connected to the bottom of the telescopic block (67).

4. The feed production mixer of claim 1, wherein, The discharge assembly (59) includes an isolation plate (591), a moving plate (592), an actuator (593), a guide plate (594), and a moving block (595). The isolation plate (591) is fixedly connected to the bottom discharge port of the inner shell (7). The moving plate (592) is slidably fitted inside the isolation plate (591) in the horizontal direction. The actuator (593) is detachably driven to one side of the moving plate (592). The guide plate (594) is fixedly connected to the inner wall of the isolation plate (591). The moving block (595) is fixedly connected to the side of the moving plate (592) and slidably fitted to the guide plate (594).

5. The feed production mixer of claim 1, wherein, The jacket (8) and the outer wall of the inner shell (7) are connected by seamless welding.

6. The feed production mixer of claim 1, wherein, The outer spiral ribbon (56) rotates in the opposite direction to the inner spiral ribbon (57).

7. The feed production mixer of claim 3, wherein, The bottom of the cleaning plate (68) contacts the top of the guide plate (66).

8. The feed production mixer of claim 3, wherein, The telescopic block (67) extends and retracts under the weight of the cleaning plate (68).

9. The feed production mixer of claim 4, wherein, The actuator (593) is used to receive the feed impact force, and when the feed impact force is lower than a preset threshold, it drives the moving plate (592) to move.

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