Quick change device suitable for automatic plastering robot
By integrating the functions of medium and fine troweling into an automatic troweling robot quick-change device, the problems of low efficiency, poor safety, and unstable quality in concrete mold troweling operations have been solved, achieving efficient, safe, and standardized troweling operations.
Patent Information
- Application Number
- CN202520290369.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-02-24
AI Technical Summary
The current concrete formwork finishing operation relies on manual operation, which is inefficient, unsafe, and of inconsistent quality. Furthermore, the lack of modular tool quick-change design makes it impossible to balance the functions of intermediate and fine finishing.
Design an automatic surface-smoothing robot quick-change device that integrates medium and fine smoothing functions. It adopts a gas spring buffer extension roller and grinding disc assembly, combined with a Hall sensor to achieve rapid tool switching and high-precision surface smoothing.
It has achieved full automation of the finishing process, increasing efficiency by 75%, reducing labor requirements and costs, ensuring the standardization and safety of finishing quality, and reducing tool replacement time and equipment maintenance costs.
Smart Images

Figure CN223834723U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of industrial robot technology, specifically relating to an automatic robot quick-change device for surface finishing of concrete molds, which is particularly suitable for the rapid switching between medium and fine finishing tools and automated finishing operations. Background Technology
[0002] Currently, in concrete pouring operations using molds, workers typically use existing tools such as scrapers and round bars. Two people stand opposite each other on either side of the mold and work together to smooth the concrete surface. However, the smoothness depends entirely on individual visual inspection, and there is no uniform standard. Moreover, changing tools is very troublesome and time-consuming. Only after both people have finished smoothing the surface can a new mold be transported over and put into subsequent operations.
[0003] Current finishing methods mainly rely on manual labor. Due to the large size of the molds, two workers are required to work together, and each operation takes a long time, resulting in low efficiency. The labor input is large, and tool replacement is cumbersome and cleaning costs are high. The mold surface is freshly poured concrete, and manual contact with uncured concrete poses risks of slipping and burns, resulting in poor safety. The smoothness depends on the worker's experience, lacks uniform standards, and the quality is inconsistent.
[0004] While some existing technologies employ automated equipment, they lack modular tool change designs and cannot simultaneously handle both intermediate and fine finishing functions. This invention aims to solve these problems by integrating a quick-change device with a dual-mode finishing mechanism. Summary of the Invention
[0005] The purpose of this utility model is to provide an automatic smearing robot quick-change device that integrates medium and fine smearing functions, so as to realize rapid tool switching, standardized smearing quality and unmanned operation.
[0006] To achieve the above objectives, the present invention provides the following technical solution: a quick-change device for an automatic smearing robot, comprising a middle smearing mechanism 1, a fine smearing mechanism 2, and a quick-change module 104;
[0007] The intermediate wiping mechanism 1 includes a roller 101, a gas spring 106, and an intermediate wiping motor assembly 108. The roller 101 is connected to the roller mounting bracket 102 via a roller mounting base 107. The roller mounting bracket 102 is connected to the intermediate wiping mechanism mounting flange 103 via a gas spring 106. The gas springs 106 at both ends realize the buffer extension and retraction function of the roller assembly. The intermediate wiping motor assembly 108 is fixed to the intermediate wiping mechanism mounting flange 103 and provides power to the roller 101. The intermediate wiping mechanism mounting flange 103 is connected to the quick-change module 104 via a module placement bracket 105.
[0008] The fine polishing mechanism 2 includes a polishing disc 205, a disc support 203, and a fine polishing motor assembly 204. The polishing disc 205 is fixed to the disc support 203. The fine polishing motor assembly 204 is installed in the disc support 203 to provide power for the polishing disc 205 to rotate. The disc support 203 and the calibration pin mounting seat 201 are mounted opposite each other on the fine polishing mechanism mounting flange 202. The fine polishing mechanism mounting flange 202 is connected to the quick-change module 104 through the module placement bracket 105.
[0009] Preferably, the gas spring 106 has a compression stroke of 20-30mm and is hinged to the roller mounting base 107 to achieve buffered extension and retraction of the roller 101.
[0010] Preferably, the grinding disc 205 has a 45° chamfer at the edge and is coated with a hard alloy layer with a wear resistance coefficient ≥ HRC60.
[0011] Preferably, the quick-change module 104 has a built-in Hall sensor with a mating accuracy of ≤±0.1mm, and integrates power and signal transmission interfaces.
[0012] The technical effects and advantages of this utility model are as follows:
[0013] 1. High-efficiency operation: By using a robot in conjunction with a quick-change device for medium and fine troweling, the troweling operation is fully automated, reducing the time for a single operation from 20 minutes to 5 minutes, improving efficiency by 75%; the quick-change module supports one-click switching between dual clamps, with tool replacement time ≤15 seconds, greatly reducing downtime.
[0014] 2. Significantly reduce costs: Completely replaces manual operation, reducing manpower requirements from 2 people to unmanned operation, and reducing overall costs by 40%; modular design reduces equipment redundancy, and maintenance only requires replacing the fixtures on the quick-change table, reducing spare parts management costs.
[0015] 3. Comprehensive safety optimization: Eliminates the risks of slipping and burning from manual contact with uncured concrete, achieving a zero-injury operating environment; robots operate precisely according to preset programs, avoiding equipment damage caused by human error.
[0016] 4. Quality standardization and consistency: The intermediate troweling mechanism adapts to the mold height through gas spring buffer to ensure uniform rough troweling; the fine troweling mechanism uses a chamfering grinding disc to process the edges and corners, with a surface flatness error ≤0.5mm and a pass rate ≥99%.
[0017] 5. Ease of maintenance and scalability: The quick-change device supports rapid disassembly and replacement of clamps, reducing maintenance time by 80%; the modular design is compatible with a variety of tools (such as polishing heads and dust collection modules) and adapts to different process requirements. Attached Figure Description
[0018] Figure 1This is a diagram showing the usage state of this utility model;
[0019] Figure 2 This is a structural diagram of the middle trowel mechanism of this utility model;
[0020] Figure 3 This is a structural diagram of the fine-applying mechanism of this utility model.
[0021] Explanation of reference numerals in the attached drawings: 1-Intermediate troweling mechanism, 2-Fine troweling mechanism, 101-Roller, 102-Roller mounting bracket, 103-Intermediate troweling mechanism mounting flange, 104-Quick change module, 105-Module placement rack, 106-Gas spring, 107-Roller mounting base, 108-Intermediate troweling motor assembly, 201-Calibration pin mounting base, 202-Fine troweling mechanism mounting flange, 203-Disc bracket, 204-Fine troweling motor assembly, 205-Grinding disc. Detailed Implementation
[0022] 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.
[0023] like Figures 1-3 This invention illustrates a specific embodiment of a quick-change device for an automatic smearing robot:
[0024] This device is mainly used for smoothing concrete on the surface of molds, and has two automatic smoothing methods: intermediate smoothing and fine smoothing.
[0025] This device is composed of a medium troweling mechanism 1 (roller 101, roller mounting bracket 102, medium troweling mechanism mounting flange 103, quick-change module 104, module placement rack 105, gas spring 106, roller mounting seat 107, medium troweling motor assembly 108), a fine troweling mechanism 2 (quick-change module 104, module placement rack 105, calibration pin mounting seat 201, fine troweling mechanism mounting flange 202, disc bracket 203, fine troweling mechanism motor assembly 204, grinding disc 205) and a worktable 3.
[0026] like Figure 1 As shown, the intermediate troweling mechanism 1 and the fine troweling mechanism 2 are installed opposite each other on the workbench 3, which makes it convenient for the robot to quickly change the fixtures next to it.
[0027] like Figure 2As shown, roller 101 is connected to roller mounting bracket 102 via two sets of roller mounting seats 107. Roller mounting bracket 102 is connected to intermediate trowel mechanism mounting flange 103 via two sets of gas springs 106. The two sets of gas springs 106 enable the roller assembly to perform buffering and telescopic functions. Intermediate trowel motor assembly 108 is fixed to intermediate trowel mechanism mounting flange 103, providing power to the roller. Intermediate trowel mechanism mounting flange 103 drives the entire roller assembly to connect to quick-change module 104 via module placement bracket 105. Thus, the entire mechanism can achieve fixture conversion via quick-change module 104.
[0028] like Figure 3 As shown, the bottom grinding disc 205 is fixed to the disc bracket 203. The fine troweling mechanism motor assembly 204 is installed in the disc bracket 203 to provide power for the grinding disc 205 to rotate. The disc bracket 203 and the calibration pin mounting seat 201 are installed opposite each other on the fine troweling mechanism mounting flange 202. Finally, the entire fine troweling mechanism mounting flange 202 drives the grinding disc assembly to be installed on the module placement rack 105 and quick-change module 104 of the same specification, thus realizing the fine troweling function.
[0029] This device aims to completely replace manual labor, using one robot with two quick-change fixtures to perform mold finishing operations. When the workpiece reaches the robot's designated position, the robot first switches to the intermediate finishing fixture roller assembly via quick-change 104 to smooth the concrete surface as much as possible. Then, it switches to the fine finishing fixture grinding disc assembly via quick-change 104. The grinding disc 205 polishes the edges and corners that the intermediate finishing roller could not reach, making them smoother and more refined. Through these two finishing mechanisms, manual labor can be completely replaced. The smoothness of the surface achieved by workers using scrapers, round bars, and other tools depends entirely on their own visual judgment, lacking a unified standard. Moreover, changing tools is very troublesome and time-consuming. However, using the robot's quick-change device for finishing not only provides a unified standard but is also more convenient, faster, and saves time.
[0030] The applicant further declares that while the above embodiments illustrate the implementation method and apparatus structure of this utility model, this utility model is not limited to the above-described embodiments, meaning that this utility model must rely on the above methods and structures to be implemented. Those skilled in the art should understand that any improvements to this utility model, equivalent substitutions for the selected implementation methods, additions of steps, and selection of specific methods all fall within the protection and disclosure scope of this utility model.
[0031] This utility model is not limited to the above-described embodiments. All methods that use similar structures and methods to achieve the purpose of this utility model are within the protection scope of this utility model.
Claims
1. A quick-change device suitable for an automatic smearing robot, characterized in that: It includes a medium-duty troweling mechanism (1), a fine-duty troweling mechanism (2), and a quick-change module (104); The intermediate wiping mechanism (1) includes a roller (101), a gas spring (106), and an intermediate wiping motor assembly (108). The roller (101) is connected to the roller mounting bracket (102) via a roller mounting seat (107). The roller mounting bracket (102) is connected to the intermediate wiping mechanism mounting flange (103) via a gas spring (106). The gas springs (106) at both ends enable the buffering and telescopic function of the roller assembly. The intermediate wiping motor assembly (108) is fixed to the intermediate wiping mechanism mounting flange (103) to provide power to the roller (101). The intermediate wiping mechanism mounting flange (103) is connected to the quick-change module (104) via a module placement rack (105). The fine polishing mechanism (2) includes a polishing disc (205), a disc bracket (203), and a fine polishing motor assembly (204). The polishing disc (205) is fixed to the disc bracket (203). The fine polishing motor assembly (204) is installed in the disc bracket (203) to provide power for the polishing disc (205) to rotate. The disc bracket (203) and the calibration pin mounting seat (201) are installed opposite to each other on the fine polishing mechanism mounting flange (202). The fine polishing mechanism mounting flange (202) is connected to the quick-change module (104) through the module placement frame (105).
2. The quick-change device for an automatic grouting robot according to claim 1, characterized in that: The gas spring (106) has a compression stroke of 20-30mm and is hinged to the roller mounting base (107) to achieve buffered extension and retraction of the roller (101).
3. A quick-change device for an automatic grouting robot according to claim 1, characterized in that: The grinding disc (205) has a 45° chamfer on the edge and is plated with a hard alloy layer with a wear resistance coefficient ≥ HRC60.
4. A quick-change device for an automatic grouting robot according to claim 1, characterized in that: The quick-change module (104) has a built-in Hall sensor with a docking accuracy of ≤±0.1mm and integrates power and signal transmission interfaces.