A mixing device for precisely proportioning the raw materials of kidney-tonifying moxibustion mud.

By using a servo motor-driven worm gear system and a motor-controlled batching device, the problem of inaccurate raw material ratio in the existing technology for kidney-tonifying moxibustion mud has been solved, achieving precise ratio and efficient conveying, thus improving the ratio and conveying efficiency of raw materials for kidney-tonifying moxibustion mud.

CN224422749UActive Publication Date: 2026-06-30ANHUI MEIDI KANG PHARM CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI MEIDI KANG PHARM CO LTD
Filing Date
2025-07-22
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

The existing mixing equipment is not convenient for accurately mixing multiple sets of kidney-tonifying moxibustion mud ingredients, which affects the accuracy and efficiency of the mixing of kidney-tonifying moxibustion mud ingredients.

Method used

A servo motor drives a worm gear system to move a rotary disc and a discharge hopper. Combined with a feeding motor and a power motor to control the discharge speed, a proportioning scale performs precise weighing, a cylinder drives the proportioning barrel to move, and a conveyor motor drives a chain conveyor to achieve precise proportioning and convenient conveying of multiple sets of kidney-tonifying moxibustion mud raw materials.

Benefits of technology

It achieves precise proportioning of multiple sets of kidney-tonifying moxibustion mud ingredients, improves the accuracy and efficiency of proportioning, avoids the problem of adding too much or too little material, and enhances the convenience of transporting kidney-tonifying moxibustion mud ingredients.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a batching device for precisely proportioning raw materials for kidney-tonifying moxibustion mud, including a support frame and a connecting frame. The connecting frame is installed on the outer wall of the support frame, and a first fixed frame is symmetrically installed inside the support frame. A support base is installed at the top of the connecting frame, and a rotating shaft is movably installed at the top of the support base. A rotating disk is installed at the top of the rotating shaft, and multiple sets of equally spaced discharge hoppers are installed inside the rotating disk, extending to the outside of the rotating disk. A discharge valve is installed at the bottom of each discharge hopper. This utility model not only enables convenient and precise proportioning of multiple sets of kidney-tonifying moxibustion mud raw materials, facilitating weighing-controlled feeding and improving the accuracy of proportioning multiple sets of kidney-tonifying moxibustion mud raw materials, but also facilitates convenient transportation of the proportioned kidney-tonifying moxibustion mud raw materials, improving the efficiency of proportioning and transportation.
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Description

Technical Field

[0001] This utility model relates to the field of ingredient mixing device technology, specifically to an ingredient mixing device for precise proportioning of raw materials for kidney-tonifying moxibustion mud. Background Technology

[0002] Mud moxibustion is a treatment method that uses heat and ironing of medicinal mud to stimulate specific parts of the body to treat and prevent diseases. The name "mud moxibustion" refers to the act of burning and ironing. It is based on traditional wax moxibustion, but incorporates mineral mud and powders of over ten kinds of traditional Chinese herbs, including saffron, snow lotus, angelica, chuanxiong, chicken blood vine, cibotium, eucommia, mulberry mistletoe, clematis, and lycopodium. It is named for its mud-like appearance. Mud moxibustion is highly flexible and can be applied freely to any part of the body. It is effective, fast-acting, and has multiple benefits, including promoting blood circulation, reducing inflammation, and dispelling wind and dampness. It can quickly unblock the body's meridians, expel wind, cold, and dampness from the body, and achieve rapid cures for stubborn diseases. It is safe, has no side effects on the skin, and treats both the symptoms and the root cause.

[0003] As disclosed in the authorization announcement number CN221847047U, a proportioning device includes a housing assembly, mounting blocks are provided on both sides of the housing assembly, two cavities are respectively opened inside the two mounting blocks, limit grooves are opened on the two inner walls of the two cavities, and springs are provided at the bottom of the inner walls of the two cavities.

[0004] Although it achieves the cooperation of springs, locking pins and slots to greatly improve the convenience of hopper installation during use, and solves the problem of wear and leakage at the connection caused by long-term threaded connection, the chemical reagent and auxiliary agent proportioning device can achieve the proportioning and weighing of raw materials on the mixing tank during use by utilizing the cooperation of return spring, slider and guide rod, which greatly improves the work efficiency of raw material proportioning and reduces the difficulty of operation, thus meeting the requirements of chemical reagent and auxiliary agent proportioning.

[0005] However, this does not solve the problem that existing batching devices of this type are generally not conducive to the convenient and accurate proportioning of multiple sets of kidney-tonifying moxibustion mud raw materials during use, are not convenient for weighing and controlling the addition of kidney-tonifying moxibustion mud raw materials, thus affecting the accuracy of the proportioning of multiple sets of kidney-tonifying moxibustion mud raw materials, and are not convenient for the batching device to transport the proportioned kidney-tonifying moxibustion mud raw materials, thus affecting the efficiency of the proportioning and transportation of kidney-tonifying moxibustion mud raw materials. Utility Model Content

[0006] The purpose of this utility model is to provide a batching device for accurately proportioning the raw materials of kidney-tonifying moxibustion mud, so as to solve the problems mentioned in the background art that the batching device is not convenient and easy to accurately proportion multiple groups of kidney-tonifying moxibustion mud raw materials, is not convenient to weigh and control the feeding of the raw materials, which affects the accuracy of the proportioning of multiple groups of kidney-tonifying moxibustion mud raw materials, and is not convenient to transport the proportioned kidney-tonifying moxibustion mud raw materials, thus affecting the efficiency of the proportioning and transportation of the raw materials.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a mixing device for precisely proportioning raw materials for kidney-tonifying moxibustion mud, comprising a support frame and a connecting frame. The connecting frame is installed on the outer wall of the support frame, and a first fixed frame is symmetrically installed inside the support frame. A support base is installed at the top of the connecting frame, and a rotating shaft is movably installed at the top of the support base. A rotating disk is installed at the top of the rotating shaft. Multiple sets of discharge hoppers with equal spacing are installed inside the rotating disk, and the discharge hoppers extend to the outside of the rotating disk. A discharge valve is installed at the bottom of each discharge hopper. A servo motor is installed on the outer wall of the support base, and a worm gear is installed at the output end of the servo motor. A worm wheel is fitted on the rotating shaft surface on one side of the worm gear, and the worm gear meshes with the worm wheel. A second fixed frame is installed at the top of each discharge hopper, and a feeding motor is installed at the top of each second fixed frame. A spiral feeding rod is installed at the output end of each feeding motor, and the spiral feeding rod extends into the interior of the discharge hopper.

[0008] Preferably, each discharge valve is equipped with a power motor at its top, a rocker arm at the output end of each power motor, a valve plate is slidably installed inside each discharge valve, and limit grooves are symmetrically arranged inside the discharge valve on one side of each valve plate, with the limit grooves slidably connected to the valve plate.

[0009] Preferably, each valve plate has a sliding groove on its outer wall, and each rocker arm on one side of the sliding groove is equipped with a transmission rod, which is slidably connected to the sliding groove. Each of the first fixed frames is equipped with a cylinder at its top, and each cylinder's output end is equipped with a proportioning scale, and each proportioning scale's top end is equipped with a proportioning bucket.

[0010] Preferably, a conveyor motor is installed on the outer wall of the support frame on one side of the rotary disk.

[0011] Preferably, a drive rod is installed at the output end of the conveyor motor, and the drive rod extends to the outside of the support frame.

[0012] Preferably, the drive rod is movably connected to the support frame.

[0013] Preferably, a second support bar is symmetrically installed inside the support frame on one side of the drive rod.

[0014] Preferably, a drive sprocket is symmetrically fitted onto the surface of the drive rod.

[0015] Preferably, the surface of the drive sprocket is fitted with a chain, and a support shaft is movably installed inside the support frame on the side away from the conveyor motor.

[0016] Preferably, the surface of the support shaft is symmetrically fitted with driven sprockets, and the chain extends to the surface of the driven sprockets.

[0017] Compared with the prior art, the beneficial effects of this utility model are: this batching device not only enables convenient and precise proportioning of multiple sets of kidney-tonifying moxibustion mud raw materials, but also facilitates weighing-controlled feeding of the raw materials, improving the accuracy of proportioning multiple sets of kidney-tonifying moxibustion mud raw materials. Furthermore, it facilitates convenient transportation of the proportioned kidney-tonifying moxibustion mud raw materials, improving the efficiency of proportioning and transportation of the raw materials.

[0018] (1) The servo motor drives the worm gear to rotate, the worm gear drives the worm wheel to rotate, the worm wheel drives the rotating shaft to rotate, the rotating shaft drives the rotating disk to rotate, and the rotating disk drives multiple sets of discharge hoppers to move, so as to facilitate the proportioning of multiple sets of kidney-tonifying moxibustion mud raw materials. When the discharge hopper moves to the top of the proportioning barrel, the feeding motor drives the spiral feed rod to rotate, so as to facilitate the spiral feed rod to transport the kidney-tonifying moxibustion mud raw materials inside the discharge hopper to the inside of the proportioning barrel. The power motor drives the rocker arm to rotate, the rocker arm drives the transmission rod to move, and the transmission rod slides inside the chute to facilitate the movement of the rocker arm. The valve plate moves and slides on the surface of the limiting groove, allowing for convenient control of the falling speed and quantity of the kidney-tonifying moxibustion mud raw material inside the discharge hopper. Workers use a proportioning scale to precisely proportion the kidney-tonifying moxibustion mud raw material, enabling the batching device to conveniently and accurately proportion multiple batches of kidney-tonifying moxibustion mud raw material. This facilitates weighing control of the raw material addition, preventing excessive or insufficient addition that could affect batch quality and improving the accuracy of proportioning multiple batches of kidney-tonifying moxibustion mud raw material.

[0019] (2) The cylinder drives the proportioning scale to move, and the proportioning scale drives the proportioning bucket and the proportioned kidney-tonifying moxibustion mud raw material to move, so as to facilitate the proportioning bucket to move to the surface of the two sets of chains. The conveying motor drives the drive rod to rotate, and the drive rod drives the two sets of active sprockets to rotate. The two sets of active sprockets drive the two sets of chains to move. The second support bar supports the chain, and the driven sprocket provides movable support for the chain, so as to facilitate the two sets of chains to drive the proportioning bucket and the proportioned kidney-tonifying moxibustion mud raw material to the next process. This realizes the convenient conveying of the proportioned kidney-tonifying moxibustion mud raw material by the batching device, improves the efficiency of the proportioning and conveying of the kidney-tonifying moxibustion mud raw material, and improves the convenience of the conveying of the kidney-tonifying moxibustion mud raw material. Attached Figure Description

[0020] Figure 1 This is a front view structural diagram of the present utility model;

[0021] Figure 2 This is a three-dimensional structural diagram of the present invention;

[0022] Figure 3 This is a three-dimensional structural diagram of the support frame of this utility model;

[0023] Figure 4 This is a three-dimensional structural diagram of the discharge hopper of this utility model;

[0024] Figure 5 This is a three-dimensional structural diagram of the rotating disk of this utility model;

[0025] Figure 6 This is a three-dimensional structural diagram of the discharge valve of this utility model;

[0026] Figure 7 This is a three-dimensional structural diagram of the spiral feed rod of this utility model;

[0027] Figure 8 This is a three-dimensional structural diagram of the rocker arm of this utility model;

[0028] Figure 9 This is a three-dimensional structural diagram of the mixing tank of this utility model;

[0029] Figure 10 This is a three-dimensional structural diagram of the conveyor motor of this utility model.

[0030] In the diagram: 1. Support frame; 2. Connecting frame; 3. First fixed frame; 4. Support base; 5. Rotating shaft; 6. Rotary disk; 7. Discharge hopper; 8. Discharge valve; 9. Servo motor; 10. Worm gear; 11. Worm wheel; 12. Power motor; 13. Rocker arm; 14. Transmission rod; 15. Valve plate; 16. Slide groove; 17. Limiting groove; 18. Second fixed frame; 19. Feeding motor; 20. Screw feed rod; 21. Conveying motor; 22. Drive rod; 23. Drive sprocket; 24. Chain; 25. Second support bar; 26. Support shaft; 27. Driven sprocket; 28. Proportioning tank; 29. ​​Proportioning scale; 30. Cylinder. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0033] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0034] Example 1

[0035] Please see Figure 1-10 This utility model provides an embodiment of a mixing device for precisely proportioning raw materials for kidney-tonifying moxibustion mud, comprising a support frame 1 and a connecting frame 2. The connecting frame 2 is installed on the outer wall of the support frame 1, and a first fixing frame 3 is symmetrically installed inside the support frame 1. A support base 4 is installed at the top of the connecting frame 2, and a rotating shaft 5 is movably installed at the top of the support base 4. A rotating disk 6 is installed at the top of the rotating shaft 5. Multiple sets of discharge hoppers 7 with equal spacing are installed inside the rotating disk 6, and the discharge hoppers 7 extend to the outside of the rotating disk 6. A discharge valve 8 is installed at the bottom of each discharge hopper 7. A servo motor 9 is installed on the outer wall of the support base 4, and a worm gear 10 is installed at the output end of the servo motor 9. A worm wheel 11 is fitted on the surface of the rotating shaft 5 on one side of the worm gear 10, and the worm gear 10 meshes with the worm wheel 11. A second fixing frame 18 is installed at the top of each discharge hopper 7. The top of each of the two fixed frames 18 is equipped with a feeding motor 19, and the output end of each feeding motor 19 is equipped with a spiral feeding rod 20, which extends into the interior of the discharge hopper 7. The top of each discharge valve 8 is equipped with a power motor 12, and the output end of each power motor 12 is equipped with a rocker arm 13. The interior of each discharge valve 8 is slidably equipped with a valve plate 15. The interior of each discharge valve 8 on one side of the valve plate 15 is symmetrically equipped with a limit groove 17, which is slidably connected to the valve plate 15. The outer wall of each valve plate 15 is equipped with a sliding groove 16, and the outer wall of each rocker arm 13 on one side of the sliding groove 16 is equipped with a transmission rod 14, which is slidably connected to the sliding groove 16. The top of each of the first fixed frames 3 is equipped with a cylinder 30, and the output end of each cylinder 30 is equipped with a proportioning scale 29. The top of each proportioning scale 29 is equipped with a proportioning bucket 28.

[0036] Multiple sets of kidney-tonifying moxibustion mud raw materials are manually poured into the interiors of multiple sets of discharge hoppers 7. The servo motor 9 is then turned on. Supported by the connecting frame 2 and the support base 4, the servo motor 9 drives the worm gear 10 to rotate. Under the meshing of the worm gear 10 and the worm wheel 11, the worm gear 10 drives the worm wheel 11 to rotate, which in turn drives the rotating shaft 5 to rotate. The support base 4 provides movable support for the rotating shaft 5, which in turn drives the rotating disk 6 to rotate. The rotating disk 6 then moves the multiple sets of discharge hoppers 7 to facilitate the processing of the multiple sets of kidney-tonifying moxibustion mud raw materials. When the discharge hopper 7 moves above the mixing tank 28, the feeding motor 19 is turned on. Supported by the second fixed frame 18, the feeding motor 19 drives the spiral feed rod 20 to rotate, facilitating the conveying of the kidney-tonifying moxibustion mud raw material from the discharge hopper 7 to the mixing tank 28. The power motor 12 is then turned on. Supported by the discharge valve 8, the power motor 12 drives the rocker arm 13 to rotate. The rocker arm 13 drives the transmission rod 14 to move. The transmission rod 14 slides inside the slide groove 16, facilitating the movement of the valve. As the valve plate 15 moves, it slides on the surface of the limiting groove 17, controlling the opening and closing of the discharge valve 8. This allows the valve plate 15 to conveniently control the falling speed and quantity of the kidney-tonifying moxibustion mud raw material inside the discharge hopper 7. The staff uses the proportioning scale 29 to precisely proportion the kidney-tonifying moxibustion mud raw material. The proportioning scale 29 weighs the proportioning container 28, measuring the amount of kidney-tonifying moxibustion mud raw material entering. The proportioning scale 29 then feeds the data back to an external internet computer. The computer controls the power motor 12, servo motor 9, and feeding motor 19. The power motor 12 controls the material flow, the servo motor 9 facilitates the rotation and replacement of multiple sets of materials, and the feeding motor 19 prevents blockage during feeding. This enables the batching device to accurately proportion multiple sets of kidney-tonifying moxibustion mud raw materials, facilitates weighing control of the raw materials, avoids excessive or insufficient addition of raw materials affecting the batching quality, and improves the accuracy of the proportioning of multiple sets of kidney-tonifying moxibustion mud raw materials.

[0037] A conveyor motor 21 is installed on the outer wall of the support frame 1 on one side of the rotating disk 6. A drive rod 22 is installed at the output end of the conveyor motor 21 and extends to the outside of the support frame 1. The drive rod 22 is movably connected to the support frame 1. A second support bar 25 is symmetrically installed inside the support frame 1 on one side of the drive rod 22. A drive sprocket 23 is symmetrically fitted on the surface of the drive rod 22. A chain 24 is fitted on the surface of each drive sprocket 23. The chain 24 is slidably connected to the second support bar 25. A support shaft 26 is movably installed inside the support frame 1 on the side away from the conveyor motor 21. A driven sprocket 27 is symmetrically fitted on the surface of the support shaft 26 and the chain 24 extends to the surface of the driven sprocket 27.

[0038] When the raw materials for the kidney-tonifying moxibustion mud are prepared and need to be transported to the next process, cylinder 30 is opened. Supported by the first fixed frame 3, cylinder 30 drives the proportioning scale 29 to move. The proportioning scale 29 drives the proportioning bucket 28 and the prepared raw materials for the kidney-tonifying moxibustion mud to move, so that the proportioning bucket 28 can move to the surface of the two sets of chains 24. At this time, the proportioning scale 29 is disengaged from the proportioning bucket 28. The conveying motor 21 is then turned on. Supported by the support frame 1, the conveying motor 21 drives the drive rod 22 to rotate. The drive rod 22 drives the two sets of drive sprockets. Rotating 23 causes two sets of drive sprockets 23 to drive two sets of chains 24 to move. The second support bar 25 supports the chains 24. Under the support of the support shaft 26, the driven sprocket 27 provides movable support for the chains 24, so that the two sets of chains 24 can easily move the mixing tank 28 and the proportioned kidney-tonifying moxibustion mud raw materials to the next process. This realizes the convenient transportation of the proportioned kidney-tonifying moxibustion mud raw materials by the mixing device, improves the efficiency of the proportioning and transportation of the kidney-tonifying moxibustion mud raw materials, and improves the convenience of the transportation of the kidney-tonifying moxibustion mud raw materials.

[0039] Work steps

[0040] Servo motor 9 drives worm gear 10 to rotate, worm gear 10 drives worm wheel 11 to rotate, worm wheel 11 drives rotating shaft 5 to rotate, rotating shaft 5 drives rotating disk 6 to rotate, rotating disk 6 drives multiple sets of discharge hoppers 7 to move, so as to facilitate the proportioning of multiple sets of kidney-tonifying moxibustion mud raw materials. When the discharge hopper 7 moves above the proportioning tank 28, feeding motor 19 drives spiral feed rod 20 to rotate, so as to facilitate the spiral feed rod 20 to transport the kidney-tonifying moxibustion mud raw materials inside the discharge hopper 7 to the inside of the proportioning tank 28. Power motor 12 drives rocker arm 13 to rotate, rocker arm 13 drives transmission rod 14 to move, transmission rod 14 slides inside slide groove 16, so as to facilitate the movement of valve plate 15, so as to facilitate the movement of valve plate 15. 15. Conveniently control the falling speed and quantity of the kidney-tonifying moxibustion mud raw material inside the discharge hopper 7. The cylinder 30 drives the proportioning scale 29 to move, and the proportioning scale 29 drives the proportioning bucket 28 and the proportioned kidney-tonifying moxibustion mud raw material to move, so that the proportioning bucket 28 can move to the surface of the two sets of chains 24. The conveying motor 21 drives the drive rod 22 to rotate, and the drive rod 22 drives the two sets of active sprockets 23 to rotate. The two sets of active sprockets 23 drive the two sets of chains 24 to move. The driven sprocket 27 provides movable support for the chains 24, so that the two sets of chains 24 can move the proportioning bucket 28 and the proportioned kidney-tonifying moxibustion mud raw material to the next process, thus completing the use of the batching device.

[0041] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements 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 mixing device for precisely proportioning raw materials for kidney-tonifying moxibustion mud, characterized in that: The device includes a support frame and a connecting frame. The connecting frame is installed on the outer wall of the support frame. A first fixed frame is symmetrically installed inside the support frame. A support base is installed at the top of the connecting frame. A rotating shaft is movably installed at the top of the support base. A rotating disk is installed at the top of the rotating shaft. Multiple sets of discharge hoppers with equal spacing are installed inside the rotating disk, and the discharge hoppers extend to the outside of the rotating disk. A discharge valve is installed at the bottom of each discharge hopper. A servo motor is installed on the outer wall of the support base. A worm gear is installed at the output end of the servo motor. A worm wheel is fitted on the surface of the rotating shaft on one side of the worm gear, and the worm gear meshes with the worm wheel. A second fixed frame is installed at the top of each discharge hopper. A feeding motor is installed at the top of each second fixed frame. A spiral feeding rod is installed at the output end of each feeding motor, and the spiral feeding rod extends into the interior of the discharge hopper. Each discharge valve is equipped with a power motor at its top, and a rocker arm is installed at the output end of each power motor. A valve plate is slidably installed inside each discharge valve. Limiting grooves are symmetrically arranged inside the discharge valve on one side of each valve plate, and the limiting grooves are slidably connected to the valve plate. The outer wall of each valve plate is provided with a sliding groove, and a transmission rod is installed on the outer wall of the rocker arm on one side of the sliding groove. The transmission rod is slidably connected to the sliding groove. A cylinder is installed at the top of each of the first fixed frames, and a proportioning scale is installed at the output end of each cylinder. A proportioning bucket is installed at the top of each proportioning scale.

2. The mixing device for precisely proportioning raw materials for kidney-tonifying moxibustion mud according to claim 1, characterized in that: A conveyor motor is installed on the outer wall of the support frame on one side of the rotary disk.

3. The mixing device for precisely proportioning raw materials for kidney-tonifying moxibustion mud according to claim 2, characterized in that: The output end of the conveyor motor is equipped with a drive rod, which extends to the outside of the support frame.

4. The mixing device for precisely proportioning raw materials for kidney-tonifying moxibustion mud according to claim 3, characterized in that: The drive rod is movably connected to the support frame.

5. The mixing device for precisely proportioning raw materials for kidney-tonifying moxibustion mud according to claim 4, characterized in that: A second support bar is symmetrically installed inside the support frame on one side of the drive rod.

6. The mixing device for precisely proportioning raw materials for kidney-tonifying moxibustion mud according to claim 5, characterized in that: The drive rod is symmetrically fitted with drive sprockets.

7. The batching device for precisely proportioning raw materials for kidney-tonifying moxibustion mud according to claim 6, characterized in that: The surface of each drive sprocket is fitted with a chain, and a support shaft is movably installed inside the support frame on the side away from the conveyor motor.

8. The mixing device for precisely proportioning raw materials for kidney-tonifying moxibustion mud according to claim 7, characterized in that: The surface of the support shaft is symmetrically fitted with driven sprockets, and the chain extends to the surface of the driven sprockets.