Inner wall laser cleaning head assembly and cleaning device

Abstract

The utility model relates to an inner wall laser cleaning head assembly and a cleaning device.The inner wall laser cleaning head assembly comprises a laser head fixing base, a focusing adjusting barrel, a focusing mirror, a rotating motor, a tubular reflector rotating shaft and a rotationally-arranged reflector, by arranging an angle-adjustable reflector mechanism, the reflector fixing base can rotate under driving of a driving steering engine, and the focusing adjusting barrel is arranged on the laser head fixing base; the angle of the reflector is adjusted, so that the laser beam deflects up and down on the inner wall of the workpiece, and the cleaning range is expanded; in combination with use of a multi-axis manipulator, the cleaning head assembly can move in the axial direction and the circumferential direction of a workpiece pipe hole, comprehensive dead-corner-free cleaning of the inner wall of the workpiece is achieved, especially for cleaning of the bottom of the pipe wall with a small hole diameter and a blind hole, the cleaning range in the length direction of the pipe wall of the workpiece can be adjusted without inclining the cleaning head assembly, and the cleaning effect is better; and the cleaning efficiency is higher.

Description

Technical Field

[0001] The present application belongs to the technical field of laser cleaning equipment, and in particular relates to an inner wall laser cleaning head assembly and a cleaning device. Background Art

[0002] During industrial manufacturing and maintenance, internal structures such as pipes and workpiece inner walls often need to be cleaned. Traditional cleaning methods, such as manual wiping and high-pressure water washing, often suffer from incomplete cleaning, damage to inner walls, and low efficiency. Laser cleaning, as an efficient and environmentally friendly cleaning method, can provide superior cleaning results. However, for workpieces with smaller apertures, existing laser cleaning equipment is often unable to fully clean the inner walls of the workpiece due to the limited cleaning angle. Utility Model Content

[0003] The technical problem to be solved by the utility model is: to solve the deficiencies in the prior art, thereby providing an inner wall laser cleaning head assembly and a cleaning device, which can expand the cleaning range and realize laser cleaning of the inner wall of small-aperture workpieces by flexibly adjusting the reflection angle.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] An inner wall laser cleaning head assembly includes a laser head fixing seat and a focus adjustment cylinder. The laser head fixing seat is used to install the laser head. The laser head fixing seat is built into the focus adjustment cylinder. The bottom of the focus adjustment cylinder is connected to a focusing lens.

[0006] The lower end of the focus adjustment cylinder is connected to a rotary motor fixing seat, and a rotary motor is provided at one end of the rotary motor fixing seat away from the laser head fixing seat, and the action output portion of the rotary motor is connected to the tubular reflector shaft;

[0007] A reflector fixing seat is provided at the bottom of the inner wall of the tubular reflector shaft, and one end of the reflector fixing seat is rotatably connected to the inner wall of the tubular reflector shaft;

[0008] A reflector is provided on the inner side surface of the reflector fixing seat, and the reflector is used to reflect the laser beam emitted by the laser head;

[0009] A laser irradiation hole is provided on the tube wall of the tubular reflector shaft. The laser irradiation hole is provided corresponding to the mirror surface of the reflector. The laser beam reflected from the reflector is emitted from the laser irradiation hole to the surface of the workpiece.

[0010] Preferably, the utility model provides an inner wall laser cleaning head assembly, wherein the laser head fixing seat, focusing adjustment cylinder, rotating motor fixing seat and rotating motor are all configured as hollow tubular structures, the internal channels of which form a laser beam optical path, and the laser beam optical path is used for the laser beam emitted from the laser head to pass through the focusing mirror to irradiate the reflecting mirror and then be reflected to the laser irradiation hole to be emitted to the surface of the workpiece.

[0011] Preferably, in an inner wall laser cleaning head assembly of the present invention, the rotation angle range of the reflector is set to 30°, that is, the angle between the reflector plane and the vertical plane is 30°-60°.

[0012] Preferably, in the inner wall laser cleaning head assembly of the present invention, a driving servo is further provided on the inner wall of the tubular reflector shaft, and the driving servo is used to drive the reflector fixing seat to rotate around its hinge axis.

[0013] Preferably, in the inner wall laser cleaning head assembly of the present invention, the laser head fixing seat is screwed to the inner wall of the focus adjustment tube.

[0014] Preferably, in the inner wall laser cleaning head assembly of the present invention, the upper end of the focus adjustment cylinder is provided with an anti-loosening collar, and the anti-loosening collar is used to lock the laser head fixing seat and the focus adjustment cylinder that rotate relative to each other.

[0015] Preferably, in an inner wall laser cleaning head assembly of the present invention, a locking block is screwed onto the outer wall of the laser head fixing seat, and the locking block abuts against the outer end surface of the anti-loosening ring to tighten the anti-loosening ring.

[0016] An inner wall laser cleaning device also includes a workbench, on which a multi-axis manipulator is arranged, and the motion output part of the multi-axis manipulator is connected to the cleaning head assembly.

[0017] Preferably, in the inner wall laser cleaning head assembly and cleaning device of the present invention, the workbench is further provided with a tool for clamping a workpiece.

[0018] The beneficial effects of the utility model are:

[0019] The utility model is provided with an angle-adjustable reflector mechanism. The reflector fixing seat can rotate under the drive of the driving servo, and the reflector adjusts its angle accordingly, so as to realize the up and down deflection of the laser beam on the inner wall of the workpiece, thereby expanding the cleaning range.

[0020] Combined with the use of a multi-axis manipulator, the cleaning head assembly can move axially and circumferentially along the workpiece tube hole, achieving comprehensive cleaning of the workpiece inner wall without dead angles. Especially for cleaning of small apertures and the bottom of blind hole tube walls, the cleaning range can be adjusted along the length direction of the workpiece tube wall without tilting the cleaning head assembly, resulting in better cleaning effect and higher cleaning efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The technical solution of the present application is further described below with reference to the accompanying drawings and embodiments.

[0022] Figure 1 This is a schematic diagram of the external structure of the inner wall laser cleaning head assembly according to an embodiment of the present application;

[0023] Figure 2 2 is a schematic cross-sectional structural diagram of an inner wall laser cleaning head assembly according to an embodiment of the present application (the laser beam is deflected upward);

[0024] Figure 3 2 is a schematic diagram of the cross-sectional structure of the inner wall laser cleaning head assembly according to an embodiment of the present application (the laser beam is deflected downward);

[0025] Figure 4 yes Figure 3 A schematic diagram of the structure at center A;

[0026] Figure 5 It is a schematic structural diagram of a cleaning device according to an embodiment of the present application;

[0027] The reference numerals in the figures are:

[0028] Inner wall laser cleaning head assembly 10, laser head fixing seat 11, focusing adjustment cylinder 12, focusing mirror 13, rotating motor fixing seat 14, rotating motor 15, reflector shaft 16, reflector fixing seat 17, reflector 18, anti-loosening ring 19, workbench 20, multi-axis manipulator 21. DETAILED DESCRIPTION

[0029] It should be noted that, unless there is any conflict, the embodiments and features in the embodiments of this application can be combined with each other.

[0030] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0031] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0032] The technical solution of the present application will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0033] Example

[0034] An inner wall laser cleaning head assembly, refer to Figure 1-4 , including a laser head fixing seat 11 with a hollow tubular structure and a focusing adjustment tube 12. The laser head fixing seat 11 is built into the focusing adjustment tube 12. The outer wall of the laser head fixing seat 11 and the inner wall of the focusing adjustment tube 12 are provided with threads. The laser head fixing seat 11 is screwed to the inner wall of the focusing adjustment tube 12. By rotating the laser head fixing seat 11, the extension and contraction of the laser head fixing seat 11 can be adjusted.

[0035] Preferably, in an inner wall laser cleaning head assembly of this embodiment, the laser head is installed in a laser head fixing seat 11, and a focusing lens 13 is fixedly connected to the bottom of the focusing adjustment tube 12. By rotating the laser head fixing seat 11 and changing the distance between the laser head and the focusing lens, the focusing effect of the laser beam after passing through the focusing lens can be changed, that is, the focal length can be changed.

[0036] Preferably, in an inner wall laser cleaning head assembly of this embodiment, the lower end of the focusing adjustment cylinder 12 is connected to a hollow tubular rotating motor fixing seat 14, and a rotating motor 15 is provided at the end of the rotating motor fixing seat 14 away from the laser head fixing seat 11. The rotating motor 15 adopts a hollow shaft motor, and the action output part of the rotating motor is connected to a hollow tubular reflector shaft 16. When working, the rotating motor 15 drives the reflector shaft 16 to rotate.

[0037] Preferably, in the inner wall laser cleaning head assembly of this embodiment, a hinge seat and a reflector fixing seat 17 are provided at the lower end of the inner wall of the tubular reflector shaft 16, and one end of the reflector fixing seat 17 is connected to the hinge seat.

[0038] The rotating shaft of the hinge seat is connected to the output shaft of the driving steering gear, and the reflecting mirror fixing seat 17 is driven to rotate by driving the steering gear to rotate.

[0039] Preferably, in an inner wall laser cleaning head assembly of this embodiment, a reflector 18 is provided on the inner side surface of the reflector fixing seat 17, and the reflector 18 is used to reflect the laser beam emitted by the laser head. A waist-shaped laser irradiation hole is provided on the tube wall of the tubular reflector rotating shaft 16, and the laser irradiation hole is arranged corresponding to the mirror surface of the reflector 18. The laser beam reflected from the reflector 18 is emitted from the laser irradiation hole to the surface of the workpiece.

[0040] In this embodiment, the laser head fixing seat 11, the focusing adjustment cylinder 12, the rotating motor fixing seat 14, and the rotating motor 15 are all configured as hollow tubular structures, the internal channels of which form a laser beam optical path. The laser beam optical path is used for the laser beam emitted from the laser head to pass through the focusing mirror 13 to irradiate the reflecting mirror 18, and then be reflected to the laser irradiation hole and emitted to the surface of the workpiece.

[0041] In actual work, refer to Figure 2-4 The emission direction of the laser head is parallel to the axial direction of the reflector fixing seat 17, and a limiting structure is set on the reflector fixing seat 17 (refer to Figure 4 ), so that the rotation angle range of the laser beam reflected when the reflector 18 rotates is set to be deflected 15 degrees up and down from the largest angle with the horizontal plane, that is, the angle range between the plane of the reflector 18 and the axial plane of the reflector fixing seat 17 at the reflection point is 30°-60°. Specifically, when the angle between the plane of the reflector 18 and the axial plane of the reflector fixing seat 17 at the reflection point is 60°, the upper surface of the reflector fixing seat 17 abuts on the limit block; when the angle between the plane of the reflector 18 and the axial plane of the reflector fixing seat 17 at the reflection point is 30°, the end of the lower surface of the reflector fixing seat 17 abuts on the bottom end cover of the reflector rotating shaft 16.

[0042] Preferably, in the inner wall laser cleaning head assembly of this embodiment, an anti-loosening collar 19 is provided on the upper end of the focus adjustment cylinder 12, and the anti-loosening collar 19 is used to lock the laser head fixing seat 11 and the focus adjustment cylinder 12 that rotate relative to each other.

[0043] Specifically, the upper end of the anti-loosening ring 19 is screwed to the laser head fixing seat 11, and the direction of the internal thread on the inner wall of the upper end of the anti-loosening ring 19 is the same as the direction of the internal thread of the focusing adjustment tube 12. The lower end of the anti-loosening ring 19 is packaged and abutted against the upper end of the focusing adjustment tube 12. After the laser head fixing seat 11 is rotated to adjust the focal length, the anti-loosening ring 19 is tightened so that its lower end package abuts against the upper end of the focusing adjustment tube 12 to prevent the laser head fixing seat 11 and the focusing adjustment tube 12 from relative rotation.

[0044] Preferably, in order to further enhance the connection stability between the laser head fixing seat 11 and the focusing adjustment tube 12, an inner wall laser cleaning head assembly of this embodiment also has a nut-shaped locking block screwed on the outer wall of the laser head fixing seat 11. The internal thread of the locking block is screwed in the opposite direction to the internal thread of the anti-loosening ring 19. In actual use, its lower end face abuts against the upper end face of the anti-loosening ring 19 to tighten the anti-loosening ring 19.

[0045] This embodiment also provides an inner wall laser cleaning device, the structure of which refers to 5, including an inner wall laser cleaning head assembly 10 and a workbench 20. A multi-axis manipulator 21 is provided on the workbench 20, and the motion output part of the multi-axis manipulator 21 is connected to the cleaning head assembly. The workbench 20 is also provided with a tooling for clamping the workpiece.

[0046] During actual work, the workpiece is clamped on the workbench, for example, the workpiece tube axis direction is perpendicular to the table surface of the workbench and is clamped and locked. The multi-axis manipulator 21 drives the cleaning head assembly into the tube hole of the workpiece according to its set program to start cleaning work. The laser head is started, the servo is driven to rotate, and the reflector fixing seat 17 is driven to rotate, which can clean along the axial direction of the workpiece tube hole. At the same time, the rotating motor 15 drives the reflector shaft 16 to rotate, which can clean around the workpiece tube hole. With the cooperation of the lifting action of the multi-axis manipulator 21, the workpiece tube wall can be fully cleaned without dead angles. Compared with the existing fixed laser cleaning head assembly, the laser cleaning head assembly with adjustable angle of the utility model has a wider cleaning range. After inserting into the workpiece tube hole, the length direction can be adjusted without tilting the cleaning head assembly. Especially for cleaning the bottom of the blind hole tube wall, the cleaning effect is better and the cleaning efficiency is higher.

[0047] Based on the above-mentioned ideal embodiments of this application, and in accordance with the above description, relevant personnel can make various changes and modifications without departing from the scope of the technical concept of this application. The technical scope of this application is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. An inner wall laser cleaning head assembly, comprising a laser head fixing seat (11) and a focus adjustment cylinder (12), wherein the laser head fixing seat (11) is used to install the laser head, the laser head fixing seat (11) is built into the focus adjustment cylinder (12), and the bottom of the focus adjustment cylinder (12) is connected to a focusing lens (13); It is characterized by: The lower end of the focus adjustment cylinder (12) is connected to a rotary motor fixing seat (14); an end of the rotary motor fixing seat (14) away from the laser head fixing seat (11) is provided with a rotary motor (15); and an action output portion of the rotary motor is connected to a tubular reflector shaft (16); A reflector fixing seat (17) is provided at the bottom of the inner wall of the tubular reflector rotating shaft (16), and one end of the reflector fixing seat (17) is rotatably connected to the inner wall of the tubular reflector rotating shaft (16); A reflector (18) is provided on the inner side surface of the reflector fixing seat (17), and the reflector (18) is used to reflect the laser beam emitted by the laser head; A laser irradiation hole is provided on the tube wall of the tubular reflector shaft (16), and the laser irradiation hole is provided corresponding to the mirror surface of the reflector (18). The laser beam reflected from the reflector (18) is emitted from the laser irradiation hole to the surface of the workpiece.

2. The inner wall laser cleaning head assembly according to claim 1, characterized in that: The laser head fixing seat (11), the focus adjustment cylinder (12), the rotary motor fixing seat (14), and the rotary motor (15) are all configured as hollow tubular structures, the internal channels of which form a laser beam optical path. The laser beam optical path is used for the laser beam emitted from the laser head to pass through the focusing mirror (13) and irradiate the reflecting mirror (18), and then be reflected to the laser irradiation hole and emitted to the surface of the workpiece.

3. The inner wall laser cleaning head assembly according to claim 2, characterized in that: The rotation angle range of the reflector (18) is set to 30°, that is, the angle between the plane of the reflector (18) and the vertical plane is 30°-60°.

4. The inner wall laser cleaning head assembly according to claim 3, characterized in that: A driving servo is also provided on the inner wall of the tubular reflector shaft (16), and the driving servo is used to drive the reflector fixing seat (17) to rotate around its hinge axis.

5. The inner wall laser cleaning head assembly according to claim 4, characterized in that: The laser head fixing seat (11) is screwed onto the inner wall of the focus adjustment cylinder (12).

6. The inner wall laser cleaning head assembly according to claim 5, characterized in that: An anti-loosening collar (19) is provided at the upper end of the focus adjustment cylinder (12), and the anti-loosening collar (19) is used to lock the laser head fixing seat (11) and the focus adjustment cylinder (12) which rotate relative to each other.

7. The inner wall laser cleaning head assembly according to claim 6, characterized in that: A locking block is also screwed onto the outer wall of the laser head fixing seat (11), and the locking block abuts against the outer end surface of the anti-loosening collar (19) to press the anti-loosening collar (19).

8. An inner wall laser cleaning device, comprising an inner wall laser cleaning head assembly according to any one of claims 1 to 7, characterized in that: It also includes a workbench (20), on which a multi-axis manipulator (21) is provided, and the action output portion of the multi-axis manipulator (21) is connected to the cleaning head assembly.

9. The inner wall laser cleaning device according to claim 8, characterized in that: The workbench (20) is also provided with a tool for clamping a workpiece.

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