Laser rust removal machine

Abstract

This utility model relates to a laser rust removal machine, belonging to the technical field of rust removal equipment. It includes a main truss with traveling mechanisms at both ends, and a rust removal mechanism mounted on the main truss. The rust removal mechanism includes a traveling frame movable on the main truss and a laser rust removal gun with adjustable height and angle. The laser rust removal gun is mounted on the traveling frame via an adjustment device. The laser rust removal machine is mounted on the main truss and connected to the laser rust removal gun. This technical solution achieves efficient removal of rust layers from metal surfaces through the coordinated mechanical movement of the rust removal mechanism, rust blowing mechanism, and adjustment device, supplemented by PLC intelligent control. It has significant advantages such as high automation, good rust removal effect, multi-unit collaboration, and fast working efficiency.

Description

Technical Field

[0001] This utility model relates to a laser rust removal machine and belongs to the technical field of rust removal equipment. Background Technology

[0002] In high-speed rail construction, steel molds are used as templates for the production of precast beams. However, steel molds are prone to rusting during use, which seriously affects their performance and service life.

[0003] From the perspective of the usage environment, steel molds are exposed to the outdoors for extended periods, enduring wind, sun, and rain. Moisture and oxygen in the air react chemically with the iron on the surface of the steel mold, gradually forming rust. The rate of corrosion is significantly accelerated, especially in areas or seasons with high humidity.

[0004] Before using steel formwork, it needs to be derusted. Previously, rust removal was mostly done manually using small handheld grinders. However, this method has many drawbacks. First, it requires a large workforce, incurring high labor costs and involving a huge workload with high labor intensity for workers. Second, the construction efficiency is extremely low; grinding a single railway precast box girder formwork often takes more than six hours, severely impacting the work time of subsequent processes and slowing down the overall project progress. Third, during the operation, workers are susceptible to injury from flying debris, and the resulting rust not only pollutes the construction environment but also exposes workers to the risk of occupational diseases, failing to meet current environmental protection requirements. Utility Model Content

[0005] The purpose of this invention is to provide a laser rust removal machine to achieve high-efficiency rust removal for steel molds.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A laser rust removal machine includes a main truss with walking mechanisms at both ends and a rust removal mechanism installed on the main truss; The rust removal mechanism includes a traveling frame that can move on the main truss and a laser rust removal gun with adjustable height and angle. The laser rust removal gun is mounted on the traveling frame via an adjustment device. A laser rust removal machine is installed on the main truss; the laser rust removal machine is connected to the laser rust removal gun.

[0007] A further improvement to the technical solution of this utility model is that the adjustment device includes a lifting arm that moves up and down on the walking frame and a rotating component fixed to the lower end of the lifting arm; the lifting arm is driven to move up and down by a lifting motor.

[0008] A further improvement to the technical solution of this utility model is as follows: the rotating assembly includes a base plate, a rotating drive motor fixed on the base plate, and a matching reducer; a mounting base is provided on the output shaft of the rotating drive motor, and the laser rust removal gun is mounted on the mounting base.

[0009] A further improvement to the technical solution of this utility model is as follows: a lifting motor and a matching reducer are fixedly installed on the walking frame, and a gear is installed on the output shaft of the reducer; a rack is fixedly installed on the lifting arm, and the gear meshes with the rack.

[0010] A further improvement to the technical solution of this utility model is as follows: a plurality of guide and limiting wheels are provided on the walking frame, and the guide and limiting wheels limit and guide the lifting arm; the guide and limiting wheels have wheel grooves, and the wheel grooves are matched with the four corners of the lifting arm for limiting.

[0011] A further improvement to the present invention is that it also includes a rust-blowing mechanism for blowing rust away from the surface of the steel mold. The rust-blowing mechanism includes a release agent spray gun and an air gun. The rust-blowing mechanism is mounted on the walking frame via an adjustment device.

[0012] A further improvement to the technical solution of this utility model is that the rust blowing mechanism and the rust removal mechanism share a single adjustment device.

[0013] A further improvement to the technical solution of this utility model is as follows: a chain is set along the length of the main truss, a traveling motor and a matching reducer are set on the traveling frame, and a sprocket is set on the output shaft of the reducer, with the sprocket meshing with the chain for transmission.

[0014] A further improvement to the technical solution of this utility model is that several rust removal mechanisms and rust blowing mechanisms are set on the main truss; rust removal mechanisms and rust blowing mechanisms are set on both sides of the main truss.

[0015] A further improvement to the technical solution of this utility model is that the rust removal machine is controlled by a PLC; the adjustment device is a universal robotic arm.

[0016] Due to the adoption of the above technical solution, the technical effects achieved by this utility model are as follows: This utility model achieves mechanized rust removal for large-span precast steel molds by setting up a main truss and installing functional components such as a rust removal mechanism on the main truss, thereby achieving high-efficiency rust removal, improving work efficiency, and reducing work intensity.

[0017] This invention is equipped with both a laser rust removal mechanism and a rust blowing mechanism. The high energy of the laser is used to remove rust from the surface of the steel mold, and then the cleaning effect of the release agent and the action of high-pressure airflow are used to achieve thorough cleaning of the rust, thus improving the rust removal effect.

[0018] This invention features a laser rust removal gun mounted on an adjustment device. The lifting arm of the adjustment device moves the laser rust removal gun up and down, and the rotating component of the adjustment device can adjust the angle of the laser rust removal gun to achieve a sweeping irradiation perpendicular to the surface of the steel mold. The adjustment device allows the laser rust removal gun to be flexibly adjusted, maximizing the utilization rate of laser energy and achieving the best rust removal effect.

[0019] The rust removal mechanism of this invention is mounted on a traveling frame, which can move laterally on the main truss. The laser rust removal mechanism can cover a large area of ​​rust removal along the main truss. At the same time, the moving speed can be adjusted according to different operation requirements to ensure rust removal efficiency and quality. Attached Figure Description

[0020] Figure 1 This is a three-dimensional schematic diagram of the utility model. Figure 1 ; Figure 2 This is a schematic diagram of the present invention when it is installed on a steel mold and in operation; Figure 3 This is a schematic diagram of the rust removal mechanism and rust blowing mechanism of this utility model. Figure 1 ; Figure 4 This is a schematic diagram of the rust removal mechanism and rust blowing mechanism of this utility model. Figure 2 ; Figure 5 This is a schematic diagram of the rust removal mechanism and rust blowing mechanism of this utility model. Figure 3 ; Figure 6 This is a schematic diagram of the rotating component of this utility model; Figure 7 This is a schematic diagram of the lifting part of the lifting arm of this utility model; Figure 8 This is a three-dimensional schematic diagram of the utility model. Figure 2 ; Among them, 1. Main truss, 2. Traveling frame, 3. Laser rust removal gun, 4. Lifting arm, 5. Seat plate, 6. Rotary drive motor, 7. Mounting base, 8. Lifting motor, 9. Gear, 10. Rack, 11. Guide limit wheel, 12. Demolding machine spray gun, 13. Air gun, 14. Chain, 15. Sprocket, 16. Traveling motor, 17. Traveling mechanism, 18. Laser rust removal machine, 19. Auxiliary sprocket. Detailed Implementation

[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0022] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] This utility model is a laser rust removal machine, which is used to remove rust from the steel molds of high-speed railway precast beams. It can achieve fully automated and highly efficient rust removal.

[0024] like Figure 1 , Figure 2 , Figure 8 As shown, this laser rust removal machine is a truss-type device used for rust removal on large-span steel molds. It includes a main truss 1 and a rust removal mechanism mounted on the main truss 1. Traveling mechanisms 17 are installed at both ends of the main truss 1, driving the entire machine longitudinally. The rust removal mechanism removes rust from the surface of the steel mold. Figure 2 The steel mold is shown in the diagram. Figure 1 , Figure 2 , Figure 8 Some components have been fitted with outer covering plates.

[0025] Specifically, the rust removal mechanism includes a traveling frame 2 and a laser rust removal gun 3. The traveling frame is mounted on the main truss 1 and can move laterally on the main truss 1. The laser rust removal gun 3 irradiates the surface of the steel mold with laser light to remove rust. The laser rust removal gun 3 is mounted on the traveling frame 2 through an adjustment device, which allows for adjustment of its height and laser irradiation angle, thereby enabling laser irradiation and rust removal at the optimal angle for all positions of the steel mold.

[0026] A laser rust removal machine 18 is installed on the main truss 1, and the laser rust removal machine 18 is connected to the laser rust removal gun 3.

[0027] The adjustment device is used to adjust the height and irradiation angle of the laser rust removal gun 3. Specifically, as shown in the figure, the adjustment device includes a lifting arm 4 and a rotating assembly. The lifting arm 4 is used for height adjustment, and the rotating assembly is used for angle adjustment. The rotating assembly is fixedly mounted at the lower end of the lifting arm. The lifting arm 4 is mounted on the traveling frame 1 and can move up and down on the lifting frame 1. A lifting motor 8 is mounted on the traveling frame 1, which drives the lifting arm 4 to move up and down.

[0028] The preferred lifting method is a rack and pinion lifting mechanism. Specifically, a lifting motor 8 is fixedly mounted on the traveling frame 2, and a reducer is provided for the lifting motor 8. A gear 9 is installed on the output shaft of the reducer. Simultaneously, a rack 10 is fixedly mounted on the surface of the lifting arm 4, allowing the gear 9 to mesh with the rack 10. The interaction between the gear 9 and the rack 10 enables the lifting arm 4 to move up and down. Furthermore, to achieve smooth lifting of the lifting arm 4, several guide wheels 11 are installed on the traveling frame 2 to guide and limit the lifting arm 4. Generally, two sets of guide wheels 11 are installed, with four guide wheels 11 in each set. The guide wheels 11 have grooves, and the grooves of the four guide wheels 11 engage with the four corners of the lifting arm 4 for limiting and guiding. The lifting arm 4 achieves smooth lifting within the protective ring formed by the four guide wheels 11.

[0029] The rotating assembly is used to adjust the irradiation angle of the laser rust removal gun 3. As shown in the figure, the rotating assembly mainly includes a base plate 5 and a rotary drive motor 6 fixed on the base plate 5. A matching reducer is provided on the output shaft of the rotary drive motor 6, and a mounting base 7 is provided on the output shaft of the reducer, on which the laser rust removal gun 3 is mounted. The laser rust removal gun 3 can rotate around the output shaft of the reducer. The irradiation direction of the laser rust removal gun 3 is perpendicular to the output shaft of the reducer. The laser rust removal gun 3 performs sweeping irradiation rust removal on the cross-section of the steel mold. By flexibly adjusting the spray angle through the rotating assembly, the laser beam is always perpendicular or acts on the rust layer surface at the optimal angle, maximizing the utilization rate of laser energy and achieving the best rust removal effect. The rotation angle of the rotating assembly can be monitored in real time.

[0030] In addition, the adjustment device can also directly use a swivel robotic arm, which can be mounted on a traveling frame or a traveling trolley. The rust removal mechanism and rust blowing mechanism are located at the end of the swivel robotic arm.

[0031] This rust removal machine separates rust from the steel mold surface using a laser rust removal gun 3. To further ensure complete rust removal, a rust blowing mechanism can be added. This mechanism blows the rust away from the mold surface. The rust blowing mechanism mainly includes a release agent spray gun 12 and an air gun 13. The release agent spray gun 12 sprays release agent onto the mold surface, acting as a cleaning agent. Then, the air gun 13 blows high-pressure air to remove the rust. The rust blowing mechanism is also mounted on the traveling frame 2 via an adjustment device. Preferably, the rust blowing mechanism and the rust removal mechanism share a single adjustment device. That is, a rust removal mechanism and a rust blowing mechanism are simultaneously mounted on one traveling frame 1, and the release agent spray gun 12 and air gun 13 of the rust blowing mechanism are also mounted on a mounting base. After laser rust removal by the laser rust removal gun 3, the release agent spray gun 12 sprays release agent, followed by high-pressure air blowing by the air gun 13 to remove the rust. The release agent spray gun 12 uses high-pressure atomization technology to disperse the release agent into finer and more uniform particles. Combined with adjustable air pressure and spray angle, it ensures that the release agent evenly covers the surface of the object, reducing problems such as sagging and missed spraying. It eliminates the need for manual climbing, bending over, or prolonged repetitive movements, avoiding fluctuations in spray quality due to fatigue, and reducing the health risks of workers being exposed to volatile paint substances.

[0032] This equipment uses laser rust removal. During operation, the laser generator produces a high-energy-density laser beam with extremely high instantaneous power and concentrated energy. When the laser beam irradiates the rust layer on the metal surface, the rust material (such as metal oxides) rapidly absorbs the laser energy, causing the rust layer temperature to rise sharply. After absorbing the laser energy, the rust layer reaches its vaporization temperature in a very short time, undergoing vaporization. Simultaneously, due to the difference in thermal expansion coefficients between the rust layer and the metal substrate, the thermal stress generated under the laser action breaks down the bonding force between the rust layer and the metal substrate, causing the rust layer to rapidly peel off from the metal surface. Furthermore, some of the rust layer shatters into tiny particles under the impact of the laser energy and is blown off the work surface by the subsequent air jet device.

[0033] To improve the efficiency of rust removal, multiple rust removal and rust blowing mechanisms can be installed on the main truss 1; that is, multiple traveling frames 2 can be installed, each equipped with either a rust removal mechanism or both. Rust removal and rust blowing mechanisms can be installed on both the front and rear sides of the main truss 1. Through the coordination of multiple rust removal mechanisms, high-efficiency rust blowing can be achieved. Preferably, four sets of rust removal and rust blowing mechanisms can be installed, with two sets on each of the front and rear sides of the main truss 1. The front and rear rust removal and rust blowing mechanisms can be aligned longitudinally to connect the construction areas. In this way, the laser rust removal machine can perform rust removal and rust blowing on a relatively long longitudinal area in one pass, improving construction efficiency to a certain extent and ensuring good rust removal in all areas. Through reasonable scheduling during operation, different areas can be rust removed simultaneously, significantly improving overall work efficiency and meeting the needs of large-area, high-efficiency rust removal.

[0034] The traveling mechanism 2 of this rust removal machine needs to move laterally on the main truss 1. A rack and pinion mechanism can be used, with a rack installed on the main truss 1. It can be driven by a winch or a sprocket and chain mechanism. As shown in the figure, a chain 14 is installed on the main truss 1 along its length, with both ends of the chain 14 fixedly connected to both ends of the main truss 1. Simultaneously, a traveling motor 16 and a corresponding reducer are installed on the traveling mechanism 2. A sprocket 15 is installed on the output shaft of the reducer, allowing the sprocket 15 to mesh with the chain 14 for transmission. To improve the coverage of the sprocket 15 with the chain 14, auxiliary sprockets 19 are installed above or below the sides of the sprocket 15. The chain passes through the auxiliary sprockets 19, turns towards the sprocket 15, and then turns towards the other auxiliary sprocket 19. See the figure for details.

[0035] This rust removal machine can be controlled by a PLC for automatic operation. During operation, based on the set rust removal path and process parameters, the PLC controls the equipment to move longitudinally, control the speed of the lateral trolley, control the switching and power adjustment of the laser, and control the lifting and rotation angles of the rust removal and blowing mechanisms. This achieves automated and precise rust removal operations while monitoring the equipment's operating status to ensure safe and efficient operation.

[0036] This equipment can be used in conjunction with a paving and screed machine, or the rust remover and paving and screed machine can be integrated into one unit. After rust removal, concrete paving and screeding can be carried out immediately. The paving and screed machine can be a 3D laser paving and screed machine.

[0037] This technical solution achieves efficient removal of rust from metal surfaces through the coordinated mechanical movements of the rust removal mechanism, rust blowing mechanism, and adjustment device, supplemented by PLC intelligent control. It has significant advantages such as high degree of automation, good rust removal effect, multi-unit collaboration, and fast working efficiency.

[0038] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A laser rust removal machine, characterized in that: Includes a main truss (1) with walking mechanisms (17) at both ends, and a rust removal mechanism installed on the main truss (1); The rust removal mechanism includes a walking frame (2) that can move on the main truss (1) and a laser rust removal gun (3) with adjustable height and angle, the laser rust removal gun (3) being mounted on the walking frame (2) by an adjustment device; A laser rust removal machine (18) is installed on the main truss (1); the laser rust removal machine (18) is connected to the laser rust removal gun (3).

2. The laser rust removal machine according to claim 1, characterized in that: The adjustment device includes a lifting arm (4) that moves up and down on the walking frame (2) and a rotating assembly fixed to the lower end of the lifting arm (4); the lifting arm (4) is driven up and down by a lifting motor (8).

3. The laser rust removal machine according to claim 2, characterized in that: The rotating assembly includes a base plate (5), a rotary drive motor (6) fixed on the base plate (5), and a matching reducer; a mounting base (7) is provided on the output shaft of the rotary drive motor (6), and the laser rust removal gun (3) is mounted on the mounting base (7).

4. The laser rust removal machine according to claim 3, characterized in that: A lifting motor (8) and a matching reducer are fixedly installed on the walking frame (2), and a gear (9) is installed on the output shaft of the reducer; a rack (10) is fixedly installed on the lifting arm (4), and the gear (9) meshes with the rack (10).

5. A laser rust removal machine according to claim 4, characterized in that: A number of guide wheels (11) are provided on the walking frame (2), and the guide wheels (11) limit and guide the lifting arm (4); the guide wheels (11) have wheel grooves, and the wheel grooves are matched with the four corners of the lifting arm (4) for limiting.

6. A laser rust removal machine according to any one of claims 1-5, characterized in that: It also includes a rust blowing mechanism for blowing rust off the surface of the steel mold, the rust blowing mechanism including a release agent spray gun (12) and an air blowing gun (13); the rust blowing mechanism is set on the walking frame (2) by an adjustment device.

7. A laser rust removal machine according to claim 6, characterized in that: The rust blowing mechanism and the rust removal mechanism share a single adjustment device.

8. A laser rust removal machine according to any one of claims 1-5, characterized in that: A chain (14) is set along the length of the main truss (1), and a walking motor (16) and a matching reducer are set on the walking frame (2). A sprocket (15) is set on the output shaft of the reducer, and the sprocket (15) meshes with the chain (14) for transmission.

9. A laser rust removal machine according to any one of claims 1-5 and 7, characterized in that: Several rust removal and rust blowing mechanisms are set on the main truss (1); rust removal and rust blowing mechanisms are set on both sides of the main truss (1).

10. A laser rust removal machine according to any one of claims 1-5 and 7, characterized in that: The rust removal machine is controlled by a PLC; the adjustment device is a universal robotic arm.

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