Cleaning head mechanism of laser cleaning machine

Abstract

The utility model relates to the technical field of laser cleaning machines, in particular to a cleaning head mechanism of a laser cleaning machine, which comprises a cleaning head, an auxiliary component used for preventing dust from influencing a laser lens is arranged outside the cleaning head, and the auxiliary component comprises mounting frames arranged on two sides outside the cleaning head. Fan blades are arranged in the two mounting frames, a positioning groove is formed in the top of the cleaning head, an annular frame is arranged in the positioning groove, a plurality of partition plates are arranged in the annular frame, scrapers are arranged on the inner walls of the partition plates, the annular frame is divided into a plurality of cavities through the partition plates, an insertion block is arranged at the bottom of the annular frame, and the insertion block is arranged in the annular frame. A rotating disc is arranged in the annular frame, and a plurality of replaceable lenses are arranged in the rotating disc. The laser cleaning device can isolate dust close to the laser cleaning device, reduces the influence caused by smoke generated during laser cleaning, cleans the lens when the lens is shielded, guarantees the light transmission of the lens, and improves the stability of laser.

Description

Technical Field

[0001] The utility model relates to the technical field of laser cleaning machines, in particular to a cleaning head mechanism of a laser cleaning machine. Background Art

[0002] Laser cleaning machine is a kind of equipment that uses high-power density laser to irradiate the surface of an object, so that dirt, grease, attachments and other substances on the surface of the object can be quickly vaporized and evaporated, thereby achieving the purpose of cleaning. The cleaning head of the laser cleaning machine is one of the key components of the laser cleaning machine. Its function is to focus the laser beam on the surface of the object to be cleaned, so that it generates heat, and then removes the dirt and oil stains on the surface of the object.

[0003] However, when the laser cleaning machine in the existing technology cleans the metal workpiece, a large amount of smoke will be generated and scattered everywhere due to the rapid heating of the workpiece surface. The smoke contains dust particles. When the cleaning head of the cleaning machine is close to the workpiece, some of the smoke will fly onto the lens of the cleaning head, causing the dust to adhere to the lens and block the laser, thus affecting the laser emission. Utility Model Content

[0004] The purpose of the utility model is to provide a cleaning head mechanism of a laser cleaning machine to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A cleaning head mechanism of a laser cleaning machine comprises a cleaning head, an auxiliary component for preventing dust from affecting a laser lens is arranged on the outside of the cleaning head, the auxiliary component comprises mounting frames arranged on both sides of the outside of the cleaning head, fan blades are arranged inside the two mounting frames, a positioning groove is arranged on the top of the cleaning head, an annular frame is arranged inside the positioning groove, a plurality of partitions are arranged inside the annular frame, scrapers are arranged on the inner walls of the plurality of partitions, the annular frame is divided into a plurality of cavities by the partitions, an insert is arranged at the bottom of the annular frame, a turntable is arranged inside the annular frame, and a plurality of replacement lenses are arranged inside the turntable.

[0007] As a preferred solution of the utility model, the two mounting frames are connected to the outer wall of the cleaning head by bolts and are installed at an inclined angle to the cleaning head. The fan blades are embedded in the interior of the mounting frame by bolts and are rotatably connected by a connecting shaft.

[0008] As a preferred solution of the utility model, the interior of the annular frame is a hollow structure, the insert block is connected to the bottom of the annular frame by welding, the bottom of the annular frame is provided with an opening, and is slidably connected to the positioning groove on the top of the cleaning head.

[0009] As a preferred solution of the utility model, the multiple partitions are connected to the inner wall of the annular frame by welding, the multiple partitions and cavities are distributed in a ring inside the annular frame, the scraper is embedded and connected to the inner wall of the partition by bolts, and the scraper can abut against the replaceable lens in the turntable.

[0010] As a preferred solution of the utility model, electrostatic plates can be installed inside the plurality of cavities to collect the scraped dust by electrostatic adsorption, and the cavities are connected to the through grooves in the partition.

[0011] As a preferred solution of the utility model, the annular frame is communicated with the cleaning head and is located at the front end of the laser nozzle. The turntable is located in the annular frame and is rotatably connected to the inner wall of the annular frame through a connecting shaft.

[0012] Compared with the prior art, the utility model has the following beneficial effects: in response to the problems raised in the background technology, the present application adopts an auxiliary component, which generates two oblique airflows when two fan blades are installed in front of the cleaning head, thereby blowing the approaching dust or smoke to both sides, and preventing the dust from approaching the cleaning head lens;

[0013] At the same time, when the lens is blocked by impurities, the lens can be rotated and replaced. During replacement, the impurities on the lens can be scraped and cleaned by the scraper and electrostatic plate to ensure the light transmittance of the lens and improve the stability of the laser.

[0014] The utility model can isolate approaching dust, reduce the influence of smoke generated during laser cleaning, and clean the lens when it is blocked, thereby ensuring the light transmittance of the lens and improving the stability of the laser. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0016] Figure 2 This is the internal structure diagram of the annular frame of the utility model;

[0017] Figure 3 This is a structural diagram of the installation location of the annular frame and the cleaning head of the utility model.

[0018] In the figure: 1, cleaning head; 2, mounting frame; 201, fan blade; 3, positioning groove; 4, ring frame; 5, partition; 501, scraper; 6, cavity; 7, plug block; 8, turntable; 801, replacement lens. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the embodiments of the present invention.

[0020] Example

[0021] See also Figure 1-3 The utility model provides a technical solution: a cleaning head mechanism of a laser cleaning machine, comprising a cleaning head 1, wherein the cleaning head 1 is provided with an auxiliary component outside for preventing dust from affecting the laser lens, wherein the auxiliary component comprises mounting frames 2 arranged on both sides outside the cleaning head 1, wherein fan blades 201 can be installed obliquely at the front end of the cleaning head 1, and fan blades 201 are arranged inside the two mounting frames 2, and the rotation of the fan blades 201 can form two obliquely flowing airflows at the front end of the cleaning head 1, and the dust and smoke generated during the laser cleaning process can be blown away from the cleaning head 1 area by the airflow when the dust and smoke are scattered and close to the cleaning head 1, so as to prevent the dust and smoke from approaching the lens position of the cleaning head 1, and a positioning groove 3 is arranged on the top of the cleaning head 1 for positioning the angle of the annular frame 4 during installation, and an annular frame 4 is arranged inside the positioning groove 3, and a plurality of partitions 5 are arranged inside the annular frame 4, which can be used to clean the inner cavity of the annular frame 4 The partition 5 is divided into two parts, and the inner walls of the plurality of partitions 5 are all provided with scrapers 501. The scrapers 501 can scrape off impurities on the surface of the replacement lens 801 when the turntable 8 rotates to replace the replacement lens 801, and clean the surface of the replacement lens 801. The annular frame 4 is divided into a plurality of cavities 6 by the partition 5. An electrostatic plate can be installed inside the cavity 6. After the scraper 501 scrapes off the impurities, the scraped impurities can be adsorbed and collected, and the electrostatic plate is convenient for loading or disassembly in the cavity 6, so that the electrostatic plate can be taken out and cleaned after the impurities are adsorbed. An insert block 7 is provided at the bottom of the annular frame 4, which can be inserted into the positioning groove 3 and the annular frame 4 can be installed and fixed by bolts. A turntable 8 is provided inside the annular frame 4, and the turntable 8 can rotate inside the annular frame 4 to replace the replacement lens 801. A plurality of replacement lenses 801 are provided inside the turntable 8, and the replacement lens 801 can be connected and corresponded with the laser transmitter head.

[0022] In this embodiment, all electrical components are controlled by conventional controllers.

[0023] For example, please refer to Figure 1-3, the two mounting frames 2 are connected to the outer wall of the cleaning head 1 by bolts and are installed with the cleaning head 1 at an inclined angle, the fan blades 201 are inlaid with the inside of the mounting frame 2 by bolts, and are rotatably connected by a connecting shaft, the inside of the annular frame 4 is a hollow structure, the plug block 7 is connected to the bottom of the annular frame 4 by welding, the bottom of the annular frame 4 is provided with an opening, and is slidably connected to the positioning groove 3 at the top of the cleaning head 1, the plurality of partitions 5 are connected to the inner wall of the annular frame 4 by welding, the plurality of partitions 5 and the cavity 6 are annularly distributed inside the annular frame 4, the scraper 501 is inlaid with the inner wall of the partition 5 by bolts, the scraper 501 can be abutted against the replacement lens 801 in the turntable 8, and electrostatic plates can be installed inside the plurality of cavities 6 to collect the scraped dust by electrostatic adsorption, the cavity 6 is connected to the through groove in the partition 5, the annular frame 4 is connected to the cleaning head 1, and is located at the front end of the laser nozzle, the turntable 8 is located in the annular frame 4, and is rotatably connected to the inner wall of the annular frame 4 by a connecting shaft. When in use, the fan blade 201 is first controlled by the PLC controller to rotate in the mounting frame 2, and then the cleaning head 1 is moved to the corresponding position to emit a laser to clean the workpiece. During the cleaning process, the fan blade 201 can generate an airflow at the front end of the cleaning head 1 to isolate the smoke and dust; when dust flies onto the lens of the cleaning head 1 and causes obstruction, the PLC controller controls the connecting shaft to drive the turntable 8 to rotate in the annular frame 4 to rotate and replace the replacement lens 801. During the rotation, the lens with impurities attached to it passes through the partition 5 and the cavity 6 in the annular frame 4, and the impurities on the lens are scraped off by the scraper 501 in the partition 5. At the same time, the impurities scraped off are adsorbed by the electrostatic plate in the cavity 6, so as to clean the lens and ensure light transmittance.

[0024] The workflow of the utility model is as follows: when in use, the fan blade 201 is first controlled by the PLC controller to rotate in the mounting frame 2, and then the cleaning head 1 is moved to the corresponding position to emit a laser to clean the workpiece. During the cleaning process, the fan blade 201 can generate an airflow at the front end of the cleaning head 1 to isolate smoke and dust; when dust is scattered on the lens of the cleaning head 1 and causes an obstruction, the PLC controller controls the connecting shaft to drive the turntable 8 to rotate in the annular frame 4 to rotate and replace the replacement lens 801. When the lens is attached with impurities while rotating, the impurities on the lens are scraped off by the scraper 501 in the partition 5 when passing through the partition 5 and the cavity 6 in the annular frame 4, and the impurities scraped off are adsorbed by the electrostatic plate in the cavity 6, so as to clean the lens and ensure light transmittance. The utility model can isolate the approaching dust, reduce the impact of smoke generated during laser cleaning, and clean the lens when it is blocked, so as to ensure the light transmittance of the lens and improve the stability of the laser.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cleaning head mechanism for a laser cleaning machine, comprising a cleaning head (1), wherein the cleaning head (1) is provided with an auxiliary component on the outside thereof for preventing dust from affecting the laser lens, wherein: The auxiliary component comprises mounting frames (2) arranged on both sides of the outside of the cleaning head (1), fan blades (201) are arranged inside the two mounting frames (2), a positioning groove (3) is arranged on the top of the cleaning head (1), an annular frame (4) is arranged inside the positioning groove (3), a plurality of partitions (5) are arranged inside the annular frame (4), and a plurality of inner walls of the partitions (5) are provided with scrapers (501), the annular frame (4) is divided into a plurality of cavities (6) by the partitions (5), an insert block (7) is arranged at the bottom of the annular frame (4), a rotating disk (8) is arranged inside the annular frame (4), and a plurality of replacement lenses (801) are arranged inside the rotating disk (8).

2. The cleaning head mechanism of a laser cleaning machine according to claim 1, characterized in that: The two mounting frames (2) are both connected to the outer wall of the cleaning head (1) via bolts and are mounted to the cleaning head (1) at an inclined angle; the fan blades (201) are embedded in the interior of the mounting frames (2) via bolts and are rotationally connected via a connecting shaft.

3. The cleaning head mechanism of a laser cleaning machine according to claim 1, characterized in that: The interior of the annular frame (4) is a hollow structure, the insert block (7) is connected to the bottom of the annular frame (4) by welding, the bottom of the annular frame (4) is provided with an opening, and is slidably connected to the positioning groove (3) at the top of the cleaning head (1).

4. The cleaning head mechanism of a laser cleaning machine according to claim 1, characterized in that: The plurality of partitions (5) are connected to the inner wall of the annular frame (4) by welding, the plurality of partitions (5) and the cavities (6) are distributed in an annular shape inside the annular frame (4), the scraper (501) is embedded and connected to the inner wall of the partition (5) by bolts, and the scraper (501) abuts against the replacement lens (801) in the turntable (8).

5. The cleaning head mechanism of a laser cleaning machine according to claim 1, characterized in that: Electrostatic plates are installed inside each of the plurality of cavities (6), and the cavities (6) are in communication with the through slots in the partition plate (5).

6. The cleaning head mechanism of a laser cleaning machine according to claim 1, characterized in that: The annular frame (4) is in communication with the cleaning head (1) and is located at the front end of the laser nozzle. The turntable (8) is located inside the annular frame (4) and is rotatably connected to the inner wall of the annular frame (4) via a connecting shaft.

Images