Adaptive wall surface fitting mechanism for putty polishing robot

CN224658935UActive Publication Date: 2026-08-21SHANGHAI JUNHE CONSTR TECH CO LTD
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Patent Information

Application Number
CN202521796981.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-22
Publication Date
2026-08-21
Estimated Expiration
2035-08-22

AI Technical Summary

Technical Problem

依赖机械接触检测,响应延迟,难以实时适应高频凹凸变化,导致打磨精度不足;且弹簧预紧力固定,压力控制单一,无法动态调整打磨压力,导致过磨或漏磨;单级缓冲易导致机构与墙面硬碰撞,损伤墙面或机器人,无法精准控制力度和角度,容易导致打磨质量不一,影响整体装修效果;同时在打磨过程中需要人工辅助操作或后续修补,增加工作人员劳动强度

Benefits of technology

[0012]与现有技术相比,本实用新型提供的技术方案具有如下有益效果:本实用新型的用于腻子打磨机器人的自适应墙面贴合机构,通过驱动导向机构实现双级导向和弹性缓冲,利用第一导向组件快速响应墙面整体起伏,同时配合第二导向组件微调局部凹凸,吸收瞬时冲击,避免刚性碰撞,分级调节提升响应速度与贴合精度,适应高频凹凸变化,提高墙面打磨适应性,再配合激光测距机构,实时监测墙面距离与打磨压力,通过气缸压力反馈动态调整伸缩量,实现动态压力控制的恒力打磨,减少人工干预,降低工作人员劳动强度,显著提升了打磨质量与效率,尤其适用于建筑装修中的高精度墙面处理场景。

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Abstract

The utility model discloses a kind of self-adapting wall surface attachment mechanisms for putty polishing robot, including mounting bracket, drive guiding mechanism, laser ranging mechanism and polishing mechanism, wherein, polishing mechanism is movably connected on mounting bracket by drive guiding mechanism, laser ranging mechanism is movably connected on mounting bracket by drive guiding mechanism, and located between polishing mechanism and mounting bracket, drive guiding mechanism includes first guide component, second guide component, first driving device and elastic piece. Thus, two-stage guiding and elastic buffering combination are used, hierarchical adjustment promotes response speed and attachment precision, adapt to high-frequency concave-convex change, and cooperate with laser ranging mechanism, real-time monitoring wall surface distance and polishing pressure, through cylinder pressure feedback dynamic adjustment telescopic amount, reduce manual intervention, effectively reduce labor intensity of staff.
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Description

Technical Field

[0001] This utility model relates to the technical field of wall sanding devices, and in particular to an adaptive wall bonding mechanism for a putty sanding robot. Background Technology

[0002] The adaptive wall-fitting mechanism is a key component of the putty sanding robot. Its function is to enable the sanding tools (such as sanding discs) to fit closely to the wall surface, adapt to the unevenness, tilt or complex curvature of the wall surface, ensure uniform sanding pressure, and avoid over-sanding or under-sanding.

[0003] In related technologies, a single-stage guiding mechanism driven by springs or cylinders is used. This mechanism detects wall unevenness through mechanical contact (such as rollers or contact rods) and drives the sanding disc to passively conform to the surface. However, this reliance on mechanical contact detection results in a delayed response, making it difficult to adapt to high-frequency unevenness changes in real time, leading to insufficient sanding precision. Furthermore, the fixed spring preload and singular pressure control prevent dynamic adjustment of sanding pressure, resulting in over-sanding or under-sanding. The single-stage buffer also easily causes hard collisions between the mechanism and the wall, damaging the wall or the robot. Inaccurate control of force and angle further contributes to inconsistent sanding quality, affecting the overall decoration effect. Additionally, manual assistance or subsequent repairs are required during sanding, increasing the workload of workers. Utility Model Content

[0004] This utility model aims to at least partially solve one of the technical problems in the related art.

[0005] Therefore, the purpose of this utility model is to propose an adaptive wall-fitting mechanism for a putty sanding robot. It adopts a combination of two-stage guidance and elastic buffer, and adjusts in stages to improve response speed and fitting accuracy, adapting to high-frequency unevenness. It is also equipped with a laser ranging mechanism to monitor the wall distance and sanding pressure in real time. The extension and retraction are dynamically adjusted through cylinder pressure feedback, reducing manual intervention and effectively reducing the labor intensity of workers.

[0006] To achieve the above objectives, this utility model proposes an adaptive wall-adhesive mechanism for a putty sanding robot, comprising a mounting frame, a drive and guide mechanism, a laser ranging mechanism, and a sanding mechanism. The sanding mechanism is movably connected to the mounting frame via the drive and guide mechanism. The laser ranging mechanism is movably connected to the mounting frame via the drive and guide mechanism and is located between the sanding mechanism and the mounting frame. The drive and guide mechanism includes a first guide component, a second guide component, a first drive device, and an elastic element. The first guide component is movably connected to the mounting frame via the first drive device and extends through the mounting frame. The second guide component is movably connected to the first guide component via the elastic element.

[0007] In addition, the adaptive wall-adhesion mechanism for a putty sanding robot proposed above according to this utility model may also have the following additional technical features:

[0008] Specifically, the first guide assembly includes a first mounting plate, two sets of first guide posts, and two sets of symmetrically arranged first guide sleeves. The first mounting plate is disposed at the output end of the first driving device, the two sets of symmetrically arranged first guide sleeves are disposed on the mounting frame, and the two sets of first guide posts are disposed on the first mounting plate and respectively penetrate through the two sets of symmetrically arranged first guide sleeves.

[0009] Specifically, the second guide assembly includes a second mounting plate, two sets of second guide posts, and two sets of symmetrically arranged second guide sleeves. The two sets of symmetrically arranged second guide sleeves are disposed on the first mounting plate, the two sets of second guide posts are respectively disposed on the two sets of symmetrically arranged second guide sleeves and pass through the two sets of symmetrically arranged second guide sleeves, and the second mounting plate is disposed on the two sets of second guide posts.

[0010] Specifically, the elastic element is disposed between the first mounting plate and the second mounting plate.

[0011] Specifically, the polishing mechanism includes a limiting frame, a second driving device, and a polishing disc, wherein the limiting frame is disposed on the second mounting plate, and the polishing disc is movably connected to the limiting frame through the second driving device.

[0012] Compared with the prior art, the technical solution provided by this utility model has the following beneficial effects: The adaptive wall bonding mechanism for putty sanding robots of this utility model achieves dual-level guidance and elastic buffering through a drive guide mechanism. The first guide component quickly responds to the overall undulation of the wall surface, while the second guide component finely adjusts local concavities and convexities, absorbing instantaneous impacts and avoiding rigid collisions. The graded adjustment improves the response speed and bonding accuracy, adapts to high-frequency concavity and convexity changes, and improves the adaptability of wall sanding. In addition, the laser ranging mechanism monitors the wall distance and sanding pressure in real time, and dynamically adjusts the extension and retraction amount through cylinder pressure feedback to achieve constant force sanding with dynamic pressure control, reducing manual intervention, reducing the labor intensity of workers, and significantly improving sanding quality and efficiency. It is especially suitable for high-precision wall treatment scenarios in building decoration.

[0013] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0014] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the following description of the embodiments taken in conjunction with the accompanying drawings, in which:

[0015] Figure 1 This is a schematic diagram of the overall structure of the adaptive wall bonding mechanism for a putty sanding robot according to this utility model.

[0016] Figure 2 This is a schematic diagram of the drive and guide mechanism structure of the adaptive wall-adhesion mechanism for a putty sanding robot according to this utility model.

[0017] Figure 3 This is a top view of the adaptive wall-adhesion mechanism for a putty sanding robot according to this utility model;

[0018] Figure 4 This is a half-sectional view of the adaptive wall-adhesive mechanism for a putty sanding robot according to this utility model.

[0019] As shown in the figure: 1. Mounting frame; 2. Drive and guide mechanism; 21. First guide assembly; 211. First mounting plate; 212. First guide post; 213. First guide sleeve; 22. Second guide assembly; 221. Second mounting plate; 222. Second guide post; 223. Second guide sleeve; 23. First drive device; 24. Elastic element; 3. Laser ranging mechanism; 4. Grinding mechanism; 41. Limiting frame; 42. Second drive device; 43. Grinding disc. Detailed Implementation

[0020] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention. Rather, the embodiments of the present invention include all variations, modifications, and equivalents falling within the spirit and scope of the appended claims.

[0021] The adaptive wall-adhesion mechanism for a putty sanding robot according to an embodiment of the present invention will now be described with reference to the accompanying drawings.

[0022] like Figures 1-4 As shown, the adaptive wall-adhesive mechanism for a putty sanding robot according to this utility model embodiment may include a mounting frame 1, a drive and guide mechanism 2, a laser ranging mechanism 3, and a sanding mechanism 4.

[0023] The grinding mechanism 4 is movably connected to the mounting frame 1 via the drive guide mechanism 2, and the laser ranging mechanism 3 is movably connected to the mounting frame 1 via the drive guide mechanism 2 and is located between the grinding mechanism 4 and the mounting frame 1.

[0024] It should be noted that the mounting bracket 1 can stably support the drive guide mechanism 2, the laser rangefinder mechanism 3 and the grinding mechanism 4, and maintain the grinding mechanism 4 in stable contact with the wall surface through the drive guide mechanism 2 and the laser rangefinder mechanism 3.

[0025] The drive guide mechanism 2 includes a first guide component 21, a second guide component 22, a first drive device 23, and an elastic element 24.

[0026] The first guide component 21 is movably connected to the mounting frame 1 via the first drive device 23 and is disposed through the mounting frame 1. The second guide component 22 is movably connected to the first guide component 21 via the elastic element 24.

[0027] It should be noted that the first drive device 23 adopts an electric push rod, the elastic element 24 adopts a support spring, and the laser ranging mechanism 3 integrates a distance sensor, a pressure sensor, and a laser ranging sensor. These sensors detect the distance and contact force between the grinding module and the wall in real time, providing feedback to the control system. The telescopic end of the first drive device 23 pushes the first guide component 21 to extend, enabling the grinding component to quickly respond and fit close to the wall. At the same time, the second guide component 22 controls the fitting accuracy of the grinding mechanism 4 through the elastic element 24 and adapts to high-frequency concave and convex changes, realizing dual-stage guidance and elastic buffering for the grinding mechanism 4.

[0028] Specifically, during the actual polishing process, the relevant personnel installed the bolts of the mounting bracket 1 on the support platform (not shown in the figure), adjusted the height of the device, and initially, the drive guide mechanism 2 and the laser ranging mechanism 3 were in a retracted state and powered by an external power supply through the power aviation plug on the device.

[0029] During sanding, the first drive device 23 is activated, pushing the first guide component 21 to extend and causing the sanding mechanism 4 to move perpendicular to the wall. When the sanding mechanism 4 is in contact with the wall, the second guide component 22 contracts and is subjected to force, enabling the sanding mechanism 4 to adaptively fit the wall. The second drive device 42 is then activated to drive the sanding disc 43 to rotate. During the sanding process, the elastic element 24, located between the first guide component 21 and the second guide component 22, provides good elasticity and buffering performance for the sanding mechanism 4, absorbing and dispersing the impact force generated by the contact. At the same time, it deforms according to the unevenness of the wall, thereby achieving adaptive fitting, effectively reducing the impact and vibration during the sanding process, ensuring the uniformity and consistency of the sanding, and protecting the wall from damage.

[0030] Meanwhile, in order to more accurately control the fit between the grinding module and the wall, the sensor on the laser ranging mechanism 3 detects the distance and contact force between the grinding module and the wall in real time, providing feedback to the control system. At the same time, the control system calculates the control signals of the first drive device 23 and the second drive device 42 based on the sensor data and the preset grinding parameters, and adjusts parameters such as the spring pressure and the rotation speed of the grinding module in real time, and adaptively adjusts the control algorithm to achieve the best grinding effect.

[0031] In one embodiment of this utility model, such as Figures 1-3 As shown, the first guide assembly 21 includes a first mounting plate 211, two sets of first guide posts 212 and two sets of symmetrically arranged first guide sleeves 213.

[0032] The first mounting plate 211 is disposed at the output end of the first driving device 23, two sets of symmetrically arranged first guide sleeves 213 are disposed on the mounting frame 1, and two sets of first guide posts 212 are disposed on the first mounting plate 211 and are respectively disposed through the two sets of symmetrically arranged first guide sleeves 213.

[0033] It should be noted that the two sets of symmetrically arranged first guide sleeves 213 are bolted to the mounting bracket 1. The first mounting plate 211 is moved and adjusted by the output end of the first drive device 23, and the first guide column 212 slides in the first guide sleeve 213 to realize the rapid and stable movement of the second guide assembly 22 and the grinding mechanism 4.

[0034] In one embodiment of this utility model, such as Figures 2-4 As shown, the second guide assembly 22 includes a second mounting plate 221, two sets of second guide posts 222 and two sets of symmetrically arranged second guide sleeves 223.

[0035] Two sets of symmetrically arranged second guide sleeves 223 are disposed on the first mounting plate 211, two sets of second guide posts 222 are respectively disposed on the two sets of symmetrically arranged second guide sleeves 223 and are disposed through the two sets of symmetrically arranged second guide sleeves 223, and the second mounting plate 221 is disposed on the two sets of second guide posts 222.

[0036] It should be noted that two sets of symmetrically arranged second guide sleeves 223 are bolted to the first mounting plate 211, and the second guide post 222 slides inside the second guide sleeve 223, thereby driving the second mounting plate 221 to move.

[0037] In one embodiment of this utility model, such as Figures 1-3 As shown, the elastic element 24 is disposed between the first mounting plate 211 and the second mounting plate 221.

[0038] It should be noted that the first mounting plate 211 and the second mounting plate 221 are connected by the elastic element 24 to achieve synchronous movement and adjustment, while maintaining the distance between the second mounting plate 221 and the first mounting plate 211, so that the grinding mechanism 4 can adapt to high-frequency concave and convex changes.

[0039] In one embodiment of this utility model, such as Figures 2-4 As shown, the polishing mechanism 4 includes a limiting frame 41, a second driving device 42, and a polishing disc 43.

[0040] The limiting frame 41 is mounted on the second mounting plate 221, and the grinding disc 43 is movably connected to the limiting frame 41 via the second driving device 42.

[0041] It should be noted that the limiting frame 41 is detachably mounted on the second mounting plate 221, and the second driving device 42 is rotatably connected inside the limiting frame 41, so that the rotating disk can be adjusted to rotate left and right. Under the buffering effect of the elastic element 24 and the second mounting plate 221, the grinding disk 43 can be adaptively fitted to the wall surface.

[0042] In summary, the adaptive wall-fitting mechanism for putty sanding robots in this embodiment of the present invention adopts a combination of two-stage guidance and elastic buffering, and improves response speed and fitting accuracy through graded adjustment. It adapts to high-frequency unevenness and changes, and is combined with a laser ranging mechanism to monitor the wall distance and sanding pressure in real time. The extension and retraction amount is dynamically adjusted through cylinder pressure feedback, reducing manual intervention and effectively reducing the labor intensity of workers.

[0043] In the description of this specification, 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 at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0044] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0045] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. An adaptive wall-adhesive mechanism for a putty sanding robot, characterized in that, It includes a mounting bracket, a drive and guide mechanism, a laser rangefinder mechanism, and a grinding mechanism, among which, The grinding mechanism is movably connected to the mounting bracket via the drive and guide mechanism; The laser ranging mechanism is movably connected to the mounting frame via the drive and guide mechanism, and is located between the grinding mechanism and the mounting frame; The drive and guide mechanism includes a first guide assembly, a second guide assembly, a first drive device, and an elastic element, wherein, The first guide component is movably connected to the mounting frame via the first drive device and extends through the mounting frame; The second guide component is movably connected to the first guide component via the elastic element.

2. The adaptive wall-adhesive mechanism for a putty sanding robot according to claim 1, characterized in that, The first guide assembly includes a first mounting plate, two sets of first guide posts, and two sets of symmetrically arranged first guide sleeves, wherein, The first mounting plate is disposed at the output end of the first driving device; Two sets of symmetrically arranged first guide sleeves are mounted on the mounting frame; Two sets of the first guide posts are disposed on the first mounting plate and respectively penetrate the two sets of symmetrically arranged first guide sleeves.

3. The adaptive wall-adhesive mechanism for a putty sanding robot according to claim 2, characterized in that, The second guide assembly includes a second mounting plate, two sets of second guide posts, and two sets of symmetrically arranged second guide sleeves, wherein, Two sets of symmetrically arranged second guide sleeves are disposed on the first mounting plate; The two sets of second guide posts are respectively disposed on the two sets of symmetrically arranged second guide sleeves, and are disposed through the two sets of symmetrically arranged second guide sleeves; The second mounting plate is disposed on the two sets of second guide posts.

4. The adaptive wall-adhesive mechanism for a putty sanding robot according to claim 3, characterized in that, The elastic element is disposed between the first mounting plate and the second mounting plate.

5. The adaptive wall-adhesive mechanism for a putty sanding robot according to claim 4, characterized in that, The polishing mechanism includes a limiting frame, a second driving device, and a polishing disc, wherein... The limiting frame is disposed on the second mounting plate; The grinding disc is movably connected to the limiting frame via the second driving device.