Lifting mechanism for moxa operation head

CN224893018UActive Publication Date: 2026-10-27HUBEI KEFENG TRANSMISSION EQUIP CO LTD
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Patent Information

Application Number
CN202522284075.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-29
Publication Date
2026-10-27
Estimated Expiration
2035-10-29

AI Technical Summary

Technical Problem

[0002]目前,现有艾灸机器人的作业头升降机构难以满足临床理疗的精准性与实用性需求

Benefits of technology

本申请当中的艾灸作业头用升降机构包括支撑座、滑杆部件和驱动部件,其中支撑顶环与支撑底板作为上下两个刚性支撑面,配合后续均匀分布的滑动杆,形成一个框架结构,该结构能够有效分散升降筒套及艾灸作业头的重量载荷,避免单一支撑点受力过大导致的变形,为整个升降机构提供了稳固的安装载体和运行基础。多个滑动杆均匀分布在支撑顶环与支撑底板之间,形成沿周向对称的导向结构。当升降筒套通过直线轴承沿滑动杆上下移动时,对称分布的滑动杆能够从多个方向限制升降筒套的径向位移,避免传统单导向杆设计中出现的单边摆动问题,显著提升了升降过程的平稳性;升降筒套套接在所有直线轴承上,使升降筒套的受力通过多个直线轴承均匀传递至各滑动杆。这种受力方式避免了局部应力集中,既延长了滑动杆和直线轴承的使用寿命,又确保了升降筒套在上下移动时各点的位移同步性,进一步保障了艾灸作业头的姿态稳定;丝杆轴与丝杠座构成螺旋传动副,将驱动电机的旋转运动转化为丝杠座的直线运动,从而精准控制艾灸作业头底部的艾柱与人体艾灸部位的距离,满足不同艾灸温度和治疗深度的需求;电机支撑板水平连接在支撑顶环上,为驱动电机提供了稳固的安装平台,避免电机运行时的振动影响传动精度;中间传动部件的设置,不仅实现了驱动电机的输出轴与丝杆轴的柔性连接,减少了轴线偏差带来的冲击,还可根据需求调整传动比,适配不同负载下的升降速度与扭矩,提升机构的适用范围。

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Abstract

The utility model discloses a kind of moxa operation head lifting mechanisms, including support seat, slide bar component and driving component;Support seat includes the support top ring and support bottom plate being set horizontally up and down;Slide bar component includes multiple sliding rods being evenly distributed and vertically connected between support top ring and support bottom plate, multiple linear bearings slidingly arranged on each sliding rod and lifting cylinder sleeve being sleeved on multiple linear bearings;Driving component includes motor support plate being connected horizontally on support top ring, driving motor being connected at the bottom of motor support plate, screw shaft being vertically rotatably arranged on support top ring and support bottom plate and lead screw seat being sleeved on screw shaft, screw shaft is also fixedly arranged on flange plate of lifting cylinder sleeve by lead screw seat, and the output shaft of driving motor is drivenly connected by intermediate transmission component between screw shaft;The mechanism solves the technical problems of low adjustment accuracy, poor stability and limited adaptability of the existing moxa operation head lifting mechanism.
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Description

Technical Field

[0001] This utility model relates to the field of moxibustion robot technology, specifically to a lifting mechanism for a moxibustion working head. Background Technology

[0002] Currently, the lifting mechanisms of existing moxibustion robots are insufficient to meet the precision and practicality requirements of clinical physiotherapy. Firstly, most rely on manual knobs or cylinder drives. Manual adjustment depends on human experience and is prone to error; cylinder drives are affected by air pressure fluctuations, making millimeter-level height control impossible and easily leading to improper moxibustion distance, affecting therapeutic effects. Secondly, some electric lifting mechanisms use only a single lead screw transmission, lacking a guiding structure, making the lifting head prone to wobbling and deviation during lifting, especially after prolonged use, as transmission gaps increase and stability further decreases. Finally, existing mechanisms are mostly designed with a fixed stroke, unable to adjust the lifting range according to different moxibustion head sizes (such as traditional moxa cone heads and smokeless moxibustion heads), and lack overload protection, easily leading to motor damage due to excessive load on the working head. Utility Model Content

[0003] In view of this, in order to overcome the defects of the above-mentioned technology, this utility model provides a lifting mechanism for moxibustion working head.

[0004] The technical solution of this utility model is as follows: a lifting mechanism for a moxibustion working head. The support base includes a top support ring and a bottom support plate that are horizontally arranged vertically. The sliding rod assembly includes multiple sliding rods that are evenly distributed and vertically connected between the top support ring and the bottom support plate, multiple linear bearings that slide through each of the sliding rods, and a lifting sleeve sleeved on the multiple linear bearings; The driving component includes a motor support plate horizontally connected to the top support ring, a drive motor connected to the bottom of the motor support plate, a lead screw shaft vertically rotatably passing through the top support ring and the bottom support plate, and a lead screw seat sleeved on the lead screw shaft. The lead screw shaft is also fixedly connected to the flange of the lifting sleeve through the lead screw seat. The output shaft of the drive motor and the lead screw shaft are drivenly connected through an intermediate transmission component. When the drive motor is working, it drives the lead screw shaft to rotate through the intermediate transmission component. The lead screw shaft drives the lifting sleeve to move up and down on multiple sliding rods through the lead screw seat. A moxibustion working head is vertically fixedly connected to the lifting sleeve, and the bottom of the moxibustion working head passes through the center hole of the support base plate. A moxa stick is fixed to the bottom of the moxibustion working head.

[0005] Furthermore, the intermediate transmission component includes a drive pulley mounted on the output shaft of the drive motor, a driven pulley mounted on the end of the lead screw shaft, and a belt meshing between the drive pulley and the driven pulley. The drive pulley and the driven pulley are respectively fixedly mounted on the same side of the support top ring by a limiting bushing.

[0006] Furthermore, the output shaft of the drive motor passes vertically upward through the motor support plate and extends above the support top ring, the top end of the lead screw shaft extends above the support top ring, the driving pulley is fixedly installed at the top end of the output shaft of the drive motor, the driven pulley is fixedly installed at the top end of the lead screw shaft, and the top ends of the driving pulley and the driven pulley are flush.

[0007] Furthermore, a first limit switch is fixedly installed on the upper surface of the flange of the lifting sleeve, and a second limit switch is fixedly installed on the upper surface of the support base plate.

[0008] Furthermore, the moxibustion working head includes: The moxa stick mounting clamp includes a moxibustion cylinder installed at one end of the moxa stick and a fixing limiting member located inside the moxibustion cylinder. The fixing limiting member is used to fix and position the moxa stick on the moxibustion cylinder. The locking mechanism includes a locking seat installed at the top of the moxibustion cylinder and a driving member installed on the locking seat. The top of the driving member extends beyond the top of the locking seat, and the locking seat is fixedly connected to one end of the lifting sleeve that is close to each other, so as to seal the protruding part of the top of the driving member inside the lifting sleeve.

[0009] Furthermore, the outer diameter of the lifting sleeve is equal to that of the locking seat, and the bottom end of the lifting sleeve extends inward along the circumferential direction to form an inner connecting plate. The inner connecting plate is provided with evenly distributed first connecting holes, and the top surface of the locking seat is provided with second connecting holes that correspond one-to-one with the first connecting holes. The first connecting holes and the second connecting holes are fixedly connected with first locking members.

[0010] Furthermore, it also includes an outer cover suitable for mounting on the support base plate, the outer cover and the internal space of the support base plate being suitable for accommodating the support top ring, the slide rod component, the drive component and the locking mechanism.

[0011] Furthermore, it also includes a telescopic sleeve connected between the flange of the lifting sleeve and the supporting base plate, and the telescopic sleeve is fitted over the outside of the lifting sleeve and the moxibustion working head.

[0012] Furthermore, the number of sliding rods is three.

[0013] Furthermore, the flanges of the lifting sleeve extend horizontally outward to form three evenly distributed connecting platforms, and the connecting platforms are provided with mounting holes suitable for installing the linear bearings. The three connecting platforms are respectively inserted through the three sliding rods.

[0014] Compared with the prior art, this utility model has at least the following beneficial effects: The lifting mechanism for the moxibustion head in this application includes a support base, a sliding rod component, and a drive component. The top support ring and the bottom support plate serve as two rigid support surfaces, forming a frame structure with the subsequent evenly distributed sliding rods. This structure effectively distributes the weight load of the lifting sleeve and the moxibustion head, preventing deformation caused by excessive force on a single support point, and providing a stable mounting platform and operating foundation for the entire lifting mechanism. Multiple sliding rods are evenly distributed between the top support ring and the bottom support plate, forming a circumferentially symmetrical guide structure. When the lifting sleeve moves up and down along the sliding rods via linear bearings, the symmetrically distributed sliding rods can limit the radial displacement of the lifting sleeve from multiple directions, avoiding the unilateral swaying problem that occurs in traditional single-guide-rod designs, and significantly improving the stability of the lifting process. The lifting sleeve is fitted onto all the linear bearings, allowing the force on the lifting sleeve to be evenly transmitted to each sliding rod through multiple linear bearings. This force-bearing method avoids localized stress concentration, extending the service life of the sliding rod and linear bearing, and ensuring the synchronous displacement of each point when the lifting sleeve moves up and down, further guaranteeing the stability of the moxibustion head's posture. The lead screw shaft and lead screw seat form a helical transmission pair, converting the rotational motion of the drive motor into the linear motion of the lead screw seat, thereby precisely controlling the distance between the moxa stick at the bottom of the moxibustion head and the moxibustion site on the human body, meeting the needs of different moxibustion temperatures and treatment depths. The motor support plate is horizontally connected to the support top ring, providing a stable mounting platform for the drive motor and preventing vibration during motor operation from affecting transmission accuracy. The intermediate transmission component not only achieves a flexible connection between the output shaft of the drive motor and the lead screw shaft, reducing the impact caused by axial deviation, but also allows for adjustment of the transmission ratio according to needs, adapting to the lifting speed and torque under different loads, and improving the applicability of the mechanism. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the lifting mechanism for the moxibustion working head in an embodiment of this utility model; Figure 2 This is an exploded structural diagram of the lifting mechanism for the moxibustion working head in an embodiment of this utility model; Figure 3 This is a schematic diagram of the internal structure of the lifting mechanism for the moxibustion working head in an embodiment of this utility model; Figure 4 This is a schematic diagram of the assembly structure of the support base and the slide rod component in an embodiment of this utility model; Figure 5 This is a schematic diagram of the lifting sleeve in one direction in an embodiment of the present utility model; Figure 6 This is a schematic diagram of the lifting sleeve from another direction in an embodiment of this utility model; Figure 7 This is a three-dimensional structural schematic diagram of the driving component in an embodiment of this utility model; Figure 8 This is a schematic diagram of the assembly structure of the lifting sleeve, the moxibustion head, and the moxa stick in an embodiment of this utility model.

[0016] Explanation of reference numerals in the attached figures: 1-Support base; 11-Support top ring; 12-Support base plate; 121-Center hole; 2-Slide rod assembly; 21-Sliding rod; 22-Linear bearing; 23-Lifting sleeve; 231-Flange; 232-Inner connecting plate; 2321-First connecting hole; 233-Connecting platform; 2331-Mounting hole; 3-Drive components; 31-Motor support plate; 32-Drive motor; 33-Lead screw shaft; 34-Lead screw seat; 35-Intermediate transmission component; 351-Drive pulley; 352-Driven pulley; 353-Belt; 354-Limiting bushing; 4-Moxibustion application head; 41-Moxa stick mounting clamp; 411-Moxa cylinder; 412-Fixing limiter; 42-Locking mechanism; 421-Locking seat; 4211-Second connecting hole; 422-Drive component; 5-Moxibustion stick; 6-Outer cover; 7-First limit switch; 8-First locking element; 9-Telescopic sleeve; 10-Second limit switch. Detailed Implementation

[0017] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. In the description of this utility model, it should be noted that the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can also refer to the internal connection of two components; and they can refer to a wireless connection or a wired connection. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0018] Figure 1-8 The image shows a lifting mechanism for a moxibustion head according to an embodiment of the present invention. The lifting mechanism for the moxibustion head includes a support base 1, a sliding rod component 2, and a driving component 3, wherein: The support base 1 includes a top support ring 11 and a bottom support plate 12, which are arranged horizontally and coaxially at the top and bottom respectively. The sliding rod component 2 includes multiple sliding rods 21, multiple linear bearings 22, and a lifting sleeve 23. The multiple sliding rods 21 are evenly distributed and vertically connected between the support top ring 11 and the support bottom plate 12. The multiple linear bearings 22 are slidably inserted through each sliding rod 21. The lifting sleeve 23 is sleeved on the multiple linear bearings 22, so that the lifting sleeve 23 can move up and down with the linear bearings 22. The drive component 3 includes a motor support plate 31, a drive motor 32, a lead screw shaft 33, and a lead screw seat 34. The motor support plate 31 is horizontally connected to the support top ring 11. The drive motor 32 is connected to the bottom of the motor support plate 31. The lead screw shaft 33 is vertically rotatably mounted on the support top ring 11 and the support bottom plate 12. The lead screw seat 34 is sleeved on the lead screw shaft 33. The lead screw shaft 33 is also fixedly connected to the flange 231 of the lifting sleeve 23 through the lead screw seat 34. The output shaft of the drive motor 32 and the lead screw shaft 33 are drivenly connected through an intermediate transmission component 35.

[0019] When the drive motor 32 is working, it drives the lead screw shaft 33 to rotate through the intermediate transmission component 35. The lead screw shaft 33 drives the lifting sleeve 23 to move up and down on multiple sliding rods 21 through the lead screw seat 34. The moxibustion working head 4 is vertically fixed on the lifting sleeve 23, and the bottom of the moxibustion working head 4 passes through the center hole 121 of the support base plate 12. The bottom of the moxibustion working head 4 is fixed with a moxa stick 5.

[0020] In this embodiment, the top support ring 11 and the bottom support plate 12 are horizontally coaxially arranged, ensuring that the central axes of the top support ring 11 and the bottom support plate 12 coincide. This provides a precise reference positioning for the subsequent installation of the sliding rod component 2 and the drive component 3, avoiding jamming or tilting during the lifting process due to installation eccentricity. The top support ring 11 and the bottom support plate 12 serve as two rigid support surfaces, forming a frame structure with the subsequent evenly distributed sliding rods 21. This structure effectively distributes the weight load of the lifting sleeve 23 and the moxibustion head 4, preventing deformation caused by excessive force on a single support point, and providing a stable installation carrier and operating foundation for the entire lifting mechanism. Multiple sliding rods 21 are evenly distributed between the top support ring 11 and the bottom support plate 12, forming a circumferentially symmetrical guide structure. When the lifting sleeve 23 moves up and down along the sliding rod 21 via the linear bearing 22, the symmetrically distributed sliding rods 21 can restrict the radial displacement of the lifting sleeve 23 from multiple directions, avoiding the unilateral swaying problem that occurs in traditional single guide rod designs, and significantly improving the stability of the lifting process. The lifting sleeve 23 is fitted onto all the linear bearings 22, so that the force on the lifting sleeve 23 is evenly transmitted to each sliding rod 21 through multiple linear bearings 22. This force distribution method avoids local stress concentration, which not only extends the service life of the sliding rods 21 and the linear bearings 22, but also ensures the synchronicity of the displacement of each point when the lifting sleeve 23 moves up and down, further ensuring the stability of the posture of the moxibustion head 4.

[0021] The lead screw shaft 33 and the lead screw seat 34 form a helical transmission pair, converting the rotational motion of the drive motor 32 into the linear motion of the lead screw seat 34. Because helical transmissions have a fixed transmission ratio and high displacement accuracy, by controlling the rotation angle of the drive motor 32 (e.g., using a stepper motor or servo motor), millimeter-level or even micrometer-level displacement adjustment of the lifting sleeve 23 can be achieved. This allows for precise control of the distance between the moxa cone 5 at the bottom of the moxibustion working head 4 and the moxibustion site on the human body, meeting the needs of different moxibustion temperatures and treatment depths.

[0022] The motor support plate 31 is horizontally connected to the support top ring 11, providing a stable mounting platform for the drive motor 32 and preventing vibration during motor operation from affecting transmission accuracy. The intermediate transmission component 35 not only realizes the flexible connection between the output shaft of the drive motor 32 and the lead screw shaft 33, reducing the impact caused by shaft deviation, but also allows the transmission ratio to be adjusted according to requirements, adapting to the lifting speed and torque under different loads, and improving the applicability of the mechanism.

[0023] Specifically, please refer to Figure 7As shown, in one embodiment, the intermediate transmission component 35 includes a drive pulley 351, a driven pulley 352, and a belt 353. The drive pulley 351 is mounted on the output shaft of the drive motor 32, the driven pulley 352 is mounted on the end of the lead screw shaft 33, and the belt 353 is engaged between the drive pulley 351 and the driven pulley 352. The drive pulley 351 and the driven pulley 352 are respectively fixedly mounted on the same side of the support top ring 11 by a limiting bushing 354.

[0024] Because the belt 353 has a certain degree of elasticity, it can absorb some of the impact and vibration when the drive motor 32 starts or the load changes, thus preventing damage to rigid components such as the lead screw shaft 33 caused by instantaneous power impact. Compared with rigid transmission methods such as gears, belt meshing transmission has lower frictional noise, which can reduce the overall operating noise of the equipment.

[0025] Specifically, please refer to Figure 3 , 7 As shown, in one embodiment, the output shaft of the drive motor 32 extends vertically upward through the motor support plate 31 and above the support top ring 11. The top end of the lead screw shaft 33 extends above the support top ring 11. The driving pulley 351 is fixedly installed at the top end of the output shaft of the drive motor 32, and the driven pulley 352 is fixedly installed at the top end of the lead screw shaft 33. The top ends of the driving pulley 351 and the driven pulley 352 are flush. This ensures that the axes of the two pulleys are at the same horizontal height, ensuring that the belt 353 maintains uniform tension during transmission. This avoids excessive force on one side of the belt or belt deviation due to height difference, thereby ensuring the stability and consistency of transmission, reducing belt wear, and extending service life.

[0026] Specifically, please refer to Figure 3 As shown, in one embodiment, a first limit switch 7 is fixedly installed on the upper surface of the flange 231 of the lifting sleeve 23, and a second limit switch 10 is fixedly installed on the upper surface of the support base plate 12. The limit switches are used to accurately detect the highest and lowest travel limits of the lifting sleeve 23. When the lifting sleeve 23 moves to these two limit positions, the limit switches can trigger a stop or reverse operation command to prevent the lifting sleeve 23 from colliding with other parts of the equipment due to excessive movement, thereby achieving safe limit protection for lifting movement.

[0027] Specifically, please refer to Figure 8 As shown, in one embodiment, the moxibustion working head 4 includes a moxa stick mounting clamp 41 and a locking mechanism 42, wherein: The moxa stick mounting clamp 41 includes a moxibustion cylinder 411 and a fixing limiting member 412. The moxibustion cylinder 411 is installed at one end of the moxa stick 5, and the fixing limiting member 412 is located inside the moxibustion cylinder 411. The fixing limiting member 412 is used to fix and position the moxa stick 5 on the moxibustion cylinder 411. The locking mechanism 42 includes a locking seat 421 and a driving member 422. The locking seat 421 is installed on the top of the moxibustion cylinder 411, and the driving member 422 is installed on the locking seat 421. The top of the driving member 422 extends out of the top of the locking seat 421, and the locking seat 421 is fixedly connected to one end of the lifting sleeve 23 that is close to each other, so as to seal the top protruding part of the driving member 422 inside the lifting sleeve 23.

[0028] Thus, the moxa stick 5 is stably fixed inside the moxibustion cylinder 411 by the fixed limiting component 412, and the top protruding part of the driving component 422 is sealed inside the lifting cylinder 23 by the fixed connection between the locking seat 421 and the lifting sleeve 23. This not only achieves reliable installation of the moxa stick 5 to ensure the stability of the moxibustion operation, but also avoids accidental contact or interference from external debris caused by the exposed driving component 422, thereby improving the safety and structural compactness of the moxibustion operation head.

[0029] Specifically, please refer to Figure 6 , 8 As shown, in one embodiment, the outer diameters of the lifting sleeve 23 and the locking seat 421 are equal, and the bottom end of the lifting sleeve 23 extends inward along the circumferential direction to form an inner connecting plate 232. The inner connecting plate 232 has evenly distributed first connecting holes 2321, and the top surface of the locking seat 421 has second connecting holes 4211 corresponding to the first connecting holes 2321. First locking members 8 are fixedly connected to the second connecting holes 4211 and the first connecting holes 2321. This design ensures that the structures at the connection points are flush to reduce space occupation, while also ensuring connection strength and stability through evenly distributed connection points, preventing the moxibustion head from shaking due to loose connections during lifting and lowering, thus improving the overall structural reliability.

[0030] Specifically, please refer to Figure 1 , 2 As shown, in one embodiment, the lifting mechanism for the moxibustion working head further includes an outer cover 6 suitable for mounting on the support base plate 12. The inner space of the outer cover 6 and the support base plate 12 is suitable for accommodating the support top ring 11, the slide rod component 2, the drive component 3, and the locking mechanism 42.

[0031] In this way, the outer cover 6 can enclose the core transmission and support components such as the support top ring 11, slide rod component 2, drive component 3 and locking mechanism 42 in the internal space, which can effectively isolate external dust, impurities or accidental contact, protect the internal components from contamination to extend their service life, avoid personnel contact with moving parts and cause safety risks, and at the same time make the overall appearance of the equipment more regular.

[0032] Specifically, please refer to Figure 2 , 3As shown, in one embodiment, the lifting mechanism for the moxibustion working head further includes a telescopic sleeve 9 connected between the flange 231 of the lifting sleeve 23 and the supporting base plate 12, and the telescopic sleeve 9 is fitted over the outside of the lifting sleeve 23 and the moxibustion working head 4. The telescopic sleeve 9 can extend and retract synchronously with the lifting sleeve 23, which not only avoids the exposure of internal components during the lifting process and prevents dust, debris from entering or personnel from accidentally touching it, but also blocks the smoke that may be generated when the moxibustion working head is working, keeping the surrounding environment of the equipment clean.

[0033] Specifically, please refer to Figure 4 As shown, in one embodiment, there are three sliding rods 21. The three sliding rods 21 can form a triangular support structure during the lifting and lowering of the lifting sleeve 23. Compared with a single or two sliding rods, this can significantly improve the radial stability of the lifting sleeve 23, effectively suppress its swaying or deviation during movement, and ensure that the moxibustion working head 4 can always maintain a precise lifting trajectory and working position.

[0034] Specifically, please refer to Figure 4 , 5 As shown, in one embodiment, the flange 231 of the lifting sleeve 23 extends horizontally outward to form three evenly distributed connecting platforms 233, and the connecting platforms 233 are provided with mounting holes 2331 suitable for installing linear bearings 22. The three connecting platforms 233 are respectively inserted into the three sliding rods 21. This allows the lifting sleeve 23 to form a symmetrical and balanced support structure on the three sliding rods 21, ensuring uniform force during lifting and lowering, fundamentally avoiding tilting or jamming of the lifting sleeve 23 due to support point offset, and ensuring the stability and accuracy of the lifting and lowering movement of the moxibustion working head.

[0035] Although the present invention has been disclosed above, its protection scope is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of this disclosure, and all such changes and modifications will fall within the protection scope of this invention.

Claims

1. A lifting mechanism for a moxibustion working head, characterized in that, include: The support base includes a top support ring and a bottom support plate that are horizontally arranged vertically. The sliding rod assembly includes multiple sliding rods that are evenly distributed and vertically connected between the top support ring and the bottom support plate, multiple linear bearings that slide through each of the sliding rods, and a lifting sleeve sleeved on the multiple linear bearings; The driving component includes a motor support plate horizontally connected to the top support ring, a drive motor connected to the bottom of the motor support plate, a lead screw shaft vertically rotatably passing through the top support ring and the bottom support plate, and a lead screw seat sleeved on the lead screw shaft. The lead screw shaft is also fixedly connected to the flange of the lifting sleeve through the lead screw seat. The output shaft of the drive motor and the lead screw shaft are drivenly connected through an intermediate transmission component. When the drive motor is working, it drives the lead screw shaft to rotate through the intermediate transmission component. The lead screw shaft drives the lifting sleeve to move up and down on multiple sliding rods through the lead screw seat. A moxibustion working head is vertically fixedly connected to the lifting sleeve, and the bottom of the moxibustion working head passes through the center hole of the support base plate. A moxa stick is fixed to the bottom of the moxibustion working head.

2. The lifting mechanism for the moxibustion working head according to claim 1, characterized in that, The intermediate transmission component includes a drive pulley mounted on the output shaft of the drive motor, a driven pulley mounted on the end of the lead screw shaft, and a belt meshing between the drive pulley and the driven pulley. The drive pulley and the driven pulley are respectively fixedly mounted on the same side of the support top ring by a limiting bushing.

3. The lifting mechanism for the moxibustion working head according to claim 2, characterized in that, The output shaft of the drive motor passes vertically upward through the motor support plate and extends above the support top ring. The top end of the lead screw shaft extends above the support top ring. The driving pulley is fixedly installed at the top end of the output shaft of the drive motor, and the driven pulley is fixedly installed at the top end of the lead screw shaft. The top ends of the driving pulley and the driven pulley are flush.

4. The lifting mechanism for the moxibustion working head according to claim 3, characterized in that, A first limit switch is fixedly installed on the upper surface of the flange of the lifting sleeve, and a second limit switch is fixedly installed on the upper surface of the support base plate.

5. The lifting mechanism for the moxibustion working head according to claim 3, characterized in that, The moxibustion head includes: The moxa stick mounting clamp includes a moxibustion cylinder installed at one end of the moxa stick and a fixing limiting member located inside the moxibustion cylinder. The fixing limiting member is used to fix and position the moxa stick on the moxibustion cylinder. The locking mechanism includes a locking seat installed at the top of the moxibustion cylinder and a driving member installed on the locking seat. The top of the driving member extends beyond the top of the locking seat, and the locking seat is fixedly connected to one end of the lifting sleeve that is close to each other, so as to seal the protruding part of the top of the driving member inside the lifting sleeve.

6. The lifting mechanism for the moxibustion working head according to claim 5, characterized in that, The outer diameter of the lifting sleeve is equal to that of the locking seat, and the bottom end of the lifting sleeve extends inward along the circumferential direction to form an inner connecting plate. The inner connecting plate is provided with evenly distributed first connecting holes, and the top surface of the locking seat is provided with second connecting holes that correspond one-to-one with the first connecting holes. The first connecting holes and the second connecting holes are fixedly connected with first locking members.

7. The lifting mechanism for the moxibustion working head according to claim 5, characterized in that, It also includes an outer cover suitable for mounting on the support base plate, the outer cover and the internal space of the support base plate being suitable for accommodating the support top ring, the slide rod component, the drive component and the locking mechanism.

8. The lifting mechanism for the moxibustion working head according to claim 7, characterized in that, It also includes a telescopic sleeve connecting the flange of the lifting sleeve and the supporting base plate, and the telescopic sleeve is fitted over the outside of the lifting sleeve and the moxibustion head.

9. The lifting mechanism for the moxibustion working head according to claim 1, characterized in that, The number of sliding rods is three.

10. The lifting mechanism for the moxibustion working head according to any one of claims 1-9, characterized in that, The flanges of the lifting sleeve extend horizontally outward to form three evenly distributed connecting platforms, and the connecting platforms are provided with mounting holes suitable for installing the linear bearings. The three connecting platforms are respectively inserted through the three sliding rods.