Laser equipment for removing oxide layer on surface of aluminum alloy workpiece

Abstract

The utility model discloses laser equipment for removing an oxide layer on the surface of an aluminum alloy workpiece, which is characterized by comprising a cabinet, a laser system arranged in the cabinet, a two-dimensional motion platform, a Z-axis electric lifting platform, a control console arranged outside the cabinet and a smoke exhaust and dust removal system, the Z-axis electric lifting platform is arranged close to the two-dimensional motion platform, an integrated module of the laser system is slidably mounted on the Z-axis electric lifting platform, the console is matched with the laser system and is used for determining an oxide layer removal area, and the smoke and dust removal system is used for sucking smoke dust generated in the cabinet. The laser removal equipment can realize accurate drawing and laser removal of an oxide layer processing area, and is high in removal efficiency and good in effect.

Description

Technical Field

[0001] This utility model relates to the field of aluminum alloy workpiece processing technology, and in particular to a laser device for removing the oxide layer on the surface of aluminum alloy workpieces. Background Technology

[0002] Aluminum alloys possess advantages such as low density, ease of machining, and low cost, making them the preferred processing material in many industrial fields. To improve the wear resistance, corrosion resistance, and aesthetics of aluminum alloy workpieces, anodizing is typically performed on the machined workpieces to form an oxide film on the surface. This oxide film has good insulation properties, thus the aluminum alloy loses its conductivity after oxidation. However, in the manufacturing process of certain products, due to electrical performance requirements, some contact areas of aluminum alloy workpieces with assembly relationships need to maintain electrical conductivity. Therefore, it is necessary to selectively remove the oxide film from these localized areas of the aluminum alloy workpieces.

[0003] Traditional methods for removing oxide films from aluminum alloy workpieces include: 1. CNC machining; 2. Pre-treatment by masking areas that are not conductive before oxidation to prevent oxide film formation. However, since some aluminum alloy workpieces require removal of multiple oxide films on different planes, CNC machining is very time-consuming. Masking reduces the positional accuracy of the removal area and is inconvenient for secondary processing. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model proposes a laser device for removing oxide layers from the surface of aluminum alloy workpieces. This laser removal device can accurately draw the oxide layer processing area and remove it with laser, achieving high removal efficiency and good results.

[0005] A laser device for removing oxide layers from the surface of aluminum alloy workpieces includes a cabinet, a laser system installed inside the cabinet, a two-dimensional motion platform, a Z-axis electric lifting platform, a control console and a smoke and dust removal system installed outside the cabinet. The two-dimensional motion platform is equipped with a storage tray. The Z-axis electric lifting platform is located adjacent to the two-dimensional motion platform. The integrated module of the laser system is slidably installed on the Z-axis electric lifting platform. The control console cooperates with the laser system to determine the oxide layer removal area. The smoke and dust removal system is used to extract smoke and dust generated inside the cabinet.

[0006] As a preferred embodiment of the above technical solution, the integrated module of the laser system includes a collimator isolator, a laser scanning galvanometer, a laser focusing field lens, and a laser rangefinder, all integrated and mounted on a positioning bracket.

[0007] As a preferred embodiment of the above technical solution, the laser generator body of the laser system is placed at the bottom of the cabinet through a partition plate, and the laser generator body and the collimator isolator together constitute the laser generator.

[0008] As a preferred embodiment of the above technical solution, the laser generator is equipped with a built-in indicator red light.

[0009] As a preferred embodiment of the above technical solution, the smoke exhaust and dust removal system includes a smoke purifier and a smoke duct connected to the smoke purifier. The smoke duct passes through the cabinet, and the inlet of the smoke duct is located near the storage tray.

[0010] As a preferred embodiment of the above technical solution, the Z-axis electric lifting platform can be controlled for lifting via a control console or an electronic handwheel.

[0011] As a preferred embodiment of the above technical solution, the storage tray is equipped with a dust cover on its side.

[0012] The beneficial effects of this utility model are as follows:

[0013] This laser cleaning equipment controls a two-dimensional motion platform to ensure that different processed surfaces on the aluminum alloy workpiece can reach the laser processing area. By controlling the laser rangefinder and the Z-axis electric lifting platform, the laser focal point can be accurately applied to the surface of the aluminum alloy workpiece processing area, thereby achieving laser cleaning of different areas and different heights of oxidation layers on the aluminum alloy workpiece. It can achieve precise cleaning of the identified areas with high cleaning efficiency and good results. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of the device of this utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the device of this utility model;

[0016] Figure 3 This is a schematic diagram of the two-dimensional motion platform structure of the device of this utility model;

[0017] Figure 4 This is a schematic diagram of the optical path module structure of the device of this utility model.

[0018] The attached diagram is labeled as follows: 1-Cabinet, 2-Laser System, 201-Positioning Bracket, 202-Collimator Isolator, 203-Laser Scanning Galvanometer, 204-Laser Focusing Field Lens, 205-Laser Rangefinder, 206-Laser Generator Body, 3-Two-Dimensional Motion Platform, 4-Z-Axis Electric Lifting Platform, 5-Control Console, 6-Smoke Exhaust and Dust Removal System, 601-Smoke Purifier, 602-Smoke Pipeline, 7-Storage Tray, 8-Divider, 9-Electronic Handwheel, 10-Dust Cover, 11-Proximity Switch, 12-Photoelectric Switch, 13-Aluminum Alloy Workpiece. Detailed Implementation

[0019] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0020] like Figures 1 to 3 The laser equipment for removing oxide layers from the surface of aluminum alloy workpieces includes a cabinet 1, a laser system 2 installed inside the cabinet 1, a two-dimensional motion platform 3, a Z-axis electric lifting platform 4, a control console 5 installed outside the cabinet 1, and a smoke and dust removal system 6. The two-dimensional motion platform 3 is provided with a storage tray 7. The Z-axis electric lifting platform 4 is arranged adjacent to the two-dimensional motion platform 3. The integrated module of the laser system 2 is slidably installed on the Z-axis electric lifting platform 4. The control console 5 cooperates with the laser system 2 to determine the oxide layer removal area. The smoke and dust removal system 6 is used to extract the smoke and dust generated inside the cabinet 1.

[0021] In this embodiment, the laser generator body 206 of the laser system 2 is placed at the bottom of the cabinet 1 via a partition plate 8. The laser generator body 206 and the collimator isolator 201 together constitute the laser generator, as shown below. Figure 4 As shown.

[0022] It should be noted that the main body of the equipment cabinet 1 is made of sheet metal, including an upper cabinet and a lower cabinet. The upper and lower cabinets are connected and fixed by a partition plate 8. A viewing window is provided on the front door of the upper cabinet. The two-dimensional motion platform 3 is installed on the partition plate 8 of the cabinet 1. It is used to place and fix the workpiece and move the workpiece along the X and Y directions. The two-dimensional motion platform 3 uses motion modules in conjunction with guide rail sliders to complete the translational movement of the platform. The motion modules in the X and Y directions and the corresponding guide rail sliders are installed on the upper and lower layers of the two-dimensional motion platform, respectively, and are vertically distributed. The motion modules are driven by servo motors. In addition, conventional safety protection devices consisting of sensors such as proximity switches 11 and photoelectric switches 12 are also installed in the cabinet 1 and the two-dimensional motion platform 3.

[0023] In this embodiment, the integrated module of the laser system 2 includes a collimator 202, a laser scanning galvanometer 203, a laser focusing field lens 204, and a laser rangefinder 205, all integrated and mounted on the positioning bracket 201.

[0024] In this embodiment, the laser generator 206 has a built-in indicator red light. Specifically, the laser generator 206 is a MOPA pulsed fiber laser with a built-in indicator red light and continuously adjustable power.

[0025] It should be noted that the integrated module of the laser system is mounted on the Z-axis electric lifting platform 4. The laser rangefinder 205 and the Z-axis electric lifting platform 4 are used to automatically adjust the working distance of different height planes, thereby indirectly achieving laser autofocus of the optical path module. The laser focusing field lens 204 has a working area of ​​220mm*220mm.

[0026] In this embodiment, the smoke exhaust and dust removal system 6 includes a smoke purifier 601 and a smoke duct 602 connected to the smoke purifier 601. The smoke duct 602 passes through the cabinet 1, and the inlet of the smoke duct 602 is located near the storage tray 7.

[0027] In this embodiment, the Z-axis electric lifting platform 4 can be controlled to lift and lower via the control console 5 or the electronic handwheel 9.

[0028] In this embodiment, a dust cover 10 is installed on the side of the storage tray 7.

[0029] The working principle of this embodiment is as follows.

[0030] First, the aluminum alloy workpiece 13 is placed on the tray 7 of the two-dimensional motion platform 3 and fixed. Using the software interface or electronic handwheel 9, the two-dimensional motion platform 3 is controlled to move the processing area of ​​the aluminum alloy workpiece 13 below the laser rangefinder 205 for automatic laser focusing. Then, the processing graphic is drawn on the software interface and previewed in real time on the surface of the aluminum alloy workpiece. After confirming the processing graphic, the fume purifier is turned on, and finally, the laser is applied for processing. This method is suitable for single-piece processing.

[0031] For laser removal of oxide layers of varying heights in multiple areas, the aluminum alloy workpiece 13 is placed and fixed on a two-dimensional motion platform 3. The platform and the laser autofocus device are then controlled to sequentially perform laser autofocus and process area mapping on different individual areas, and the data is saved. Finally, the laser is activated to sequentially remove oxide layers of varying heights in multiple areas at once. This method is suitable for batch processing.

[0032] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A laser device for removing oxide layers from the surface of aluminum alloy workpieces, characterized in that: The system includes a cabinet, a laser system installed inside the cabinet, a two-dimensional motion platform, a Z-axis electric lifting platform, and a control console and a smoke and dust removal system installed outside the cabinet. The two-dimensional motion platform is equipped with a storage tray. The Z-axis electric lifting platform is located adjacent to the two-dimensional motion platform. The integrated module of the laser system is slidably installed on the Z-axis electric lifting platform. The control console works in conjunction with the laser system to determine the oxide layer removal area. The smoke and dust removal system is used to extract the smoke and dust generated inside the cabinet.

2. The laser device according to claim 1, characterized in that: The integrated module of the laser system includes a collimator isolator, a laser scanning galvanometer, a laser focusing field lens, and a laser rangefinder, all integrated and mounted on a positioning bracket.

3. The laser device according to claim 2, characterized in that: The laser generator body of the laser system is placed at the bottom of the cabinet through a partition plate. The laser generator body and the collimator isolator together constitute the laser generator.

4. The laser device according to claim 3, characterized in that: The laser generator has a built-in indicator red light.

5. The laser device according to claim 1, characterized in that: The smoke exhaust and dust removal system includes a smoke purifier and a smoke duct connected to the smoke purifier. The smoke duct passes through the cabinet, and the inlet of the smoke duct is located near the storage tray.

6. The laser device according to claim 1, characterized in that: The Z-axis electric lifting platform can be raised and lowered via a control console or electronic handwheel.

7. The laser device according to claim 1, characterized in that: The storage tray is equipped with a dust cover on its side.

Images