Multi-axis linkage laser cleaning machine

Abstract

The utility model provides a multi-axis linkage laser cleaning machine. The multi-axis linkage laser cleaning machine comprises a machine table, a clamping mechanism, a first translation driving mechanism, a second translation driving mechanism, a lifting driving mechanism, a rotating driving mechanism and a laser cleaning mechanism. The clamping mechanism is used for clamping a workpiece to be cleaned and driving the workpiece to rotate, the second translation driving mechanism is connected to the first translation driving mechanism, the lifting driving mechanism is connected to the second translation driving mechanism, the rotation driving mechanism is connected to the lifting driving mechanism, and the laser cleaning mechanism is connected to the rotation driving mechanism. The laser cleaning mechanism is used for conducting laser cleaning on workpieces, the first translation driving mechanism is used for driving the laser cleaning mechanism to translate in the first horizontal direction, the second translation driving mechanism is used for driving the laser cleaning mechanism to translate in the second horizontal direction, and the lifting driving mechanism is used for driving the laser cleaning mechanism to ascend and descend. And the rotary driving mechanism is used for driving the laser cleaning mechanism to vertically rotate. In the laser cleaning process, the workpiece can be automatically rotated and turned over, so that the cleaning efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser equipment production field, concretely speaking, a kind of multi-axis linkage laser cleaning machine. BACKGROUND

[0002] Laser cleaning is a kind of non-contact, safe and environmentally friendly cleaning method, which uses the light beam emitted by laser to break the pollutants and make them fall off from the cleaned object, with the cleaning characteristics of non-contact, no thermal effect and suitable for various materials.

[0003] The existing laser cleaning machine generally includes a machine table and a driving module arranged on the machine table, the driving module is provided with a laser cleaning mechanism, the laser cleaning mechanism performs laser cleaning on the workpiece placed on the machine table, and during the cleaning process, the driving module drives the laser cleaning mechanism to move, so that the laser cleaning mechanism can complete the laser cleaning on the upward surface of the workpiece. After completing the cleaning of the current upward surface of the workpiece, the workpiece is turned over manually to perform laser cleaning on another surface of the workpiece.

[0004] The existing laser cleaning machine needs manual adjustment of the orientation of the workpiece, and the cleaning efficiency is low. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems existing in the existing laser welding machine, the utility model provides a pipe plug laser welding machine, and the specific technical scheme is as follows:

[0006] A multi-axis linkage laser cleaning machine, comprising a machine table, a clamping mechanism, a first translation driving mechanism, a second translation driving mechanism, a lifting driving mechanism, a rotary driving mechanism and a laser cleaning mechanism, wherein:

[0007] The clamping mechanism is arranged on the machine table, and is used for clamping the end of the workpiece to be cleaned and driving the workpiece to rotate;

[0008] The first translation driving mechanism is arranged on the machine table, the second translation driving mechanism is connected to the movable part of the first translation driving mechanism, the lifting driving mechanism is connected to the movable part of the second translation driving mechanism, the rotary driving mechanism is connected to the movable part of the lifting driving mechanism, and the laser cleaning mechanism is connected to the movable part of the rotary driving mechanism;

[0009] The laser cleaning mechanism is used for performing laser cleaning on the workpiece clamped on the clamping mechanism, the first translation driving mechanism is used for driving the laser cleaning mechanism to translate in the first horizontal direction, the second translation driving mechanism is used for driving the laser cleaning mechanism to translate in the second horizontal direction, the lifting driving mechanism is used for driving the laser cleaning mechanism to lift, and the rotary driving mechanism is used for driving the laser cleaning mechanism to rotate vertically;

[0010] The second horizontal direction is perpendicular to the first horizontal direction.

[0011] In some embodiments, the clamping mechanism comprises a mounting bracket, a mounting base, a rotating drive and a chuck, wherein: the mounting bracket is arranged on the machine table; the mounting base is connected to the mounting bracket, the chuck is rotatably connected to the mounting base, and the chuck is used for clamping the end of the workpiece; the rotating drive is threaded through the mounting base, the rotating drive is in transmission connection with the chuck, and the rotating drive is used for driving the chuck to rotate around the axis of the chuck.

[0012] In some embodiments, the mounting base is vertically rotatably mounted on the mounting bracket.

[0013] In some embodiments, the mounting bracket comprises a bottom plate and two support plates oppositely arranged on the bottom plate, and mounting holes and arc-shaped guide grooves are arranged on the two support plates; the mounting base is provided with a rotating shaft, and the two ends of the rotating shaft are respectively inserted into the mounting holes of the two support plates; opposite sides of the mounting base are respectively provided with guide pins, and the two guide pins are respectively located in the guide grooves of one support plate and can slide along the guide grooves; the clamping mechanism further comprises a locking member connected with the guide pins, and the locking member is used for locking the guide pins on the corresponding support plate; or, opposite sides of the mounting base are respectively provided with bolts, and the two bolts are respectively located in the guide grooves of one support plate and can slide along the guide grooves, and the bolts are used for locking the mounting base on the corresponding support plate.

[0014] In some embodiments, the chuck is rotatably connected to the mounting base through a rotating shaft.

[0015] In some embodiments, the rotating drive mechanism is connected to the movable part of the lifting drive mechanism through a connecting beam, and the connecting beam extends along the second horizontal direction.

[0016] In some embodiments, the multi-axis linkage laser cleaning machine further comprises an optical fiber laser arranged in the machine table; the laser cleaning mechanism comprises a connecting block, an optical fiber joint, a galvanometer and a field lens, wherein the connecting block is connected to the movable part of the rotating drive mechanism, the optical fiber joint and the galvanometer are arranged on the connecting block, the field lens is connected to the galvanometer, and the connecting block is provided with an optical path communicating the optical fiber joint and the galvanometer; the optical fiber joint is connected to the optical fiber laser through an optical fiber, and the laser emitted by the optical fiber laser is transmitted to the optical path through the optical fiber and then enters the galvanometer, the galvanometer is used for deflecting and adjusting the laser, and the field lens is used for focusing the laser after the deflection adjustment to the workpiece.

[0017] In some embodiments, the laser cleaning mechanism further comprises a connecting rod connected to the connecting block at the upper end, and the lower end of the connecting rod extends downwardly beyond the field lens; at least one nozzle in communication with an external compressed air source is arranged on the connecting rod, and the nozzle is used for blowing air along the horizontal direction to form an air curtain between the field lens and the machine table.

[0018] In some embodiments, two nozzles are arranged on the connecting rod and are spaced apart in the vertical direction.

[0019] In some embodiments, a water cooling channel is arranged in the connecting block, and the multi-axis linkage laser cleaning machine further comprises a water cooling mechanism arranged at the side of the machine table, and the water cooling mechanism is connected with the water cooling channel through a pipeline.

[0020] The multi-axis linkage laser cleaning machine provided by the utility model can ensure that the laser emitted by the laser cleaning mechanism can fall on any position of the current upward surface of the workpiece, thereby improving the cleaning effect. In addition, the clamping mechanism can automatically rotate and turn over the workpiece during the laser cleaning process, thereby improving the laser cleaning efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of the multi-axis linkage laser cleaning machine in the embodiment of the utility model;

[0022] Figure 2 It is a structural schematic view of the clamping mechanism in the embodiment of the utility model from one visual angle;

[0023] Figure 3 It is a structural schematic view of the clamping mechanism in the embodiment of the utility model from another visual angle;

[0024] Figure 4 It is a structural schematic view of the laser cleaning mechanism in the embodiment of the utility model.

[0025] Figures 1 to 4 It comprises:

[0026] The machine table 1;

[0027] The clamping mechanism 2 comprises a mounting support 21, a mounting seat 22, a chuck 23, a rotating shaft 24, a support plate 211, a mounting hole 212, a guide groove 213 and a guide pin 214.

[0028] The first translation driving mechanism 3;

[0029] The second translation driving mechanism 4;

[0030] The lifting driving mechanism 5;

[0031] The rotating driving mechanism 6;

[0032] The laser cleaning mechanism 7 comprises a connecting block 71, a fiber joint 72, a galvanometer 73, a field lens 74, a connecting rod 75 and a nozzle 76.

[0033] Connecting crossbeam 8;

[0034] Water cooling mechanism 9. DETAILED DESCRIPTION

[0035] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent and easy to understand, the utility model will be further explained in detail below with the help of the drawings and specific embodiments.

[0036] As described in the background section, the existing laser cleaning machine needs manual adjustment of the orientation of the workpiece during the implementation of the laser cleaning process of the workpiece, and the cleaning efficiency is low.

[0037] Therefore, the utility model provides a multi-axis linkage laser cleaning machine. Figure 1 As shown in the figure, the multi-axis linkage laser cleaning machine in the utility model embodiment comprises a machine table 1, a clamping mechanism 2, a first translation driving mechanism 3, a second translation driving mechanism 4, a lifting driving mechanism 5, a rotary driving mechanism 6 and a laser cleaning mechanism 7, wherein:

[0038] The clamping mechanism 2 is arranged on the machine table 1, and is used for clamping the end of the workpiece to be cleaned and driving the workpiece to rotate.

[0039] The first translation driving mechanism 3 is arranged on the machine table 2, the second translation driving mechanism 4 is connected to the movable part of the first translation driving mechanism 3, the lifting driving mechanism 5 is connected to the movable part of the second translation driving mechanism 4, the rotary driving mechanism 6 is connected to the movable part of the lifting driving mechanism 5, and the laser cleaning mechanism 7 is connected to the movable part of the rotary driving mechanism 6.

[0040] The laser cleaning mechanism 7 is used for implementing laser cleaning on the workpiece clamped on the clamping mechanism 2, the first translation driving mechanism 3 is used for driving the laser cleaning mechanism 7 to translate in the first horizontal direction (such as the X-axis direction), the second translation driving mechanism 4 is used for driving the laser cleaning mechanism 7 to translate in the second horizontal direction (such as the Y-axis direction), the lifting driving mechanism 5 is used for driving the laser cleaning mechanism 7 to lift, and the rotary driving mechanism 6 is used for driving the laser cleaning mechanism 7 to rotate vertically.

[0041] The multi-axis linkage laser cleaning machine in the utility model embodiment can drive the laser cleaning mechanism 7 to translate in the first horizontal direction and the second horizontal direction respectively through the first translation driving mechanism 3 and the second translation driving mechanism 4, can drive the laser cleaning mechanism 7 to lift in the vertical direction through the lifting driving mechanism 5, and can drive the laser cleaning mechanism 7 to rotate vertically through the rotary driving mechanism 6. Through the cooperation of the above driving mechanisms, it can be ensured that the laser emitted by the laser cleaning mechanism 7 can fall on any position of the current upward surface of the workpiece, so as to improve the cleaning effect.

[0042] In addition, the clamping mechanism 2 can automatically rotate and turn over the workpiece during the laser cleaning process, thereby improving the laser cleaning efficiency.

[0043] The first translation driving mechanism 3, the second translation driving mechanism 4 and the lifting driving mechanism 5 can all adopt various existing linear driving modules, such as a screw driving module. The rotation driving mechanism 6 can adopt various existing rotation driving modules capable of driving the laser cleaning mechanism 7 to rotate, such as a rotary motor module.

[0044] As shown in Figure 1 Optionally, the rotation driving mechanism 6 is connected to the movable part of the lifting driving mechanism 5 through a connecting cross beam 8, and the connecting cross beam 8 extends along the second horizontal direction. In this way, a larger installation space can be provided for the rotation driving mechanism 6 and the laser cleaning mechanism 7, so as to prevent interference with the lifting driving mechanism 5.

[0045] As shown in Figures 2 to 3 Optionally, the clamping mechanism 2 comprises a mounting bracket 21, a mounting seat 22, a rotation driving member (not shown in the figure) and a chuck 24, wherein: the mounting bracket 21 is arranged on the machine table 1. The mounting seat 22 is connected to the mounting bracket 21, and the chuck 24 is rotatably connected to the mounting seat 22. The chuck 24 is used to clamp the end of the workpiece. The rotation driving member penetrates the mounting seat 22, and the rotation driving member is in transmission connection with the chuck 24. The rotation driving member 24 is used to drive the chuck 24 to rotate around its own axis, thereby driving the workpiece clamped on the chuck 24 to rotate.

[0046] As shown in Figure 3 In order to facilitate the installation of the rotation driving member and enable the rotation driving member to be in transmission connection with the chuck 24, the mounting seat 22 is provided with a mounting hole penetrating the mounting seat 22. The driving end of the rotation driving member penetrates the mounting seat 22 through the mounting hole and is in transmission connection with the chuck 24.

[0047] For different shapes and sizes of workpieces to be cleaned, different structures of chucks 24 can be used accordingly, such as a three-jaw chuck.

[0048] Optionally, the chuck 24 is rotatably connected to the mounting seat 22 through a rotation shaft 24.

[0049] Optionally, the mounting seat 22 is installed on the mounting bracket 21 in a vertically rotatable manner. In order to further improve the cleaning effect, before the laser cleaning is performed, the mounting seat 22 can be pushed to rotate vertically to adjust the angle of the workpiece, and then the mounting seat 22 is fixed to the mounting bracket 21. For example, the end of the workpiece that is not clamped needs to be cleaned, at this time, the end of the workpiece that is not clamped can be inclined upward by pushing the mounting seat 22 to rotate vertically.

[0050] As shown in Figures 2 to 3As shown, the optional mounting bracket 21 comprises a bottom plate 210 and two support plates 211 oppositely arranged on the bottom plate, and the two support plates 211 are both provided with mounting holes 212 and arc-shaped guide grooves 213. The mounting seat 22 is provided with a rotating shaft, and the two ends of the rotating shaft are respectively inserted into the mounting holes 212 of the two support plates 211. The opposite sides of the mounting seat 22 are respectively provided with guide pins 214, and the two guide pins 214 are respectively located in the guide grooves 213 of one support plate 211 and can slide along the guide grooves 213. In addition, the clamping mechanism 2 further comprises a locking piece connected with the guide pin 214, and the locking piece is used for locking the guide pin 214 on the corresponding support plate 211. When it is necessary to adjust the rotation of the workpiece, the locking piece is first loosened, and then the mounting seat 22 is pushed to rotate along the guide groove 213, and after rotating in place, the guide pin 214 is locked to the support plate 211 through the locking piece.

[0051] Of course, the opposite sides of the mounting seat 22 can also be respectively provided with bolts, and the two bolts are respectively located in the guide grooves 213 of one support plate 211 and can slide along the guide grooves 213, and the bolts are used for locking the mounting seat 22 on the corresponding support plate 211. When it is necessary to adjust the rotation of the workpiece, the bolts are first loosened, and then the mounting seat 22 is pushed to rotate along the guide groove 213, and after rotating in place, the bolts are tightened to the support plate 211.

[0052] Optionally, the multi-axis linkage laser cleaning machine in the embodiment of the utility model further includes a fiber laser arranged in the machine table 1. Figure 4 As shown, the laser cleaning mechanism 7 comprises a connecting block 71, a fiber joint 72, a galvanometer 73 and a field lens 74, wherein the connecting block 71 is connected to the movable part of the rotary driving mechanism 6, the fiber joint 72 and the galvanometer 74 are both arranged on the connecting block 71, and the field lens 74 is connected to the galvanometer 73. The connecting block 71 is provided with an optical path connecting the fiber joint 72 and the galvanometer 73.

[0053] The fiber joint 72 is connected with the fiber laser through an optical fiber, the laser emitted by the fiber laser is transmitted to the optical path and then enters the galvanometer 73, the galvanometer 73 is used for adjusting the deflection of the laser, and the field lens 74 is used for focusing the laser after deflection adjustment on the workpiece to clean the workpiece.

[0054] Of course, in order to ensure that the laser can accurately enter the galvanometer 73 through the optical path, an optical path assembly such as a mirror, a convex mirror and the like can be arranged in the optical path.

[0055] The laser cleaning mechanism 7 in the embodiment of the utility model can also adopt various other types of existing laser cleaning components, as long as it can emit high-power laser suitable for cleaning the workpiece.

[0056] During the laser cleaning process, a large amount of dust will be generated, and the dust will pollute the field mirror 74 when rising, causing the transmittance of the field mirror 74 to decrease. In order to solve this problem, optionally, as shown in Figure 4 the laser cleaning mechanism 7 further comprises a connecting rod 75 connected to the connecting block 71 at the upper end, and the lower end of the connecting rod 75 extends downwardly to the field mirror 74. The connecting rod 75 is provided with at least one spray head 76 in communication with an external compressed air source, and the spray head 76 is used for blowing air in the horizontal direction, so as to form an air curtain between the field mirror 74 and the machine table 1. The air curtain can prevent the dust from rising during the laser cleaning process.

[0057] Optionally, the connecting rod 75 is provided with two spray heads 76 arranged in the vertical direction, and the two spray heads 76 blow air synchronously, so as to form two layers of air curtains between the field mirror 74 and the machine table 1, thereby further improving the blocking effect on the dust.

[0058] Optionally, the connecting block 71 is further provided with a water cooling flow channel. Correspondingly, the multi-axis linkage laser cleaning machine in the embodiment of the utility model further comprises a water cooling mechanism 9 arranged at the side of the machine table 1, and the water cooling mechanism 9 is connected with the water cooling flow channel through a pipeline, so as to form a water cooling circulation loop. When the cooling water flows in the water cooling flow channel, the cooling of the connecting block 71 is implemented, and the connecting block 71 further implements the cooling of the galvanometer 73 and the field mirror 74, so as to prevent the galvanometer 73 and the field mirror 74 from being damaged due to the excessively high temperature.

[0059] The above has described the utility model in sufficient detail and has certain particularity. It should be understood by those skilled in the art that the description in the embodiments is only exemplary, and all changes made without departing from the true spirit and scope of the utility model should belong to the protection scope of the utility model. The scope of protection claimed by the utility model is defined by the claims, not by the above description in the embodiments.

Claims

1. A multi-axis laser cleaning machine, characterized in that, The multi-axis linkage laser cleaning machine comprises a machine table, a clamping mechanism, a first translation driving mechanism, a second translation driving mechanism, a lifting driving mechanism, a rotation driving mechanism and a laser cleaning mechanism, wherein: The clamping mechanism is arranged on the machine table, and is used for clamping an end of a workpiece to be cleaned and driving the workpiece to rotate; The first translation driving mechanism is arranged on the machine table, the second translation driving mechanism is connected to a movable part of the first translation driving mechanism, the lifting driving mechanism is connected to a movable part of the second translation driving mechanism, the rotation driving mechanism is connected to a movable part of the lifting driving mechanism, and the laser cleaning mechanism is connected to a movable part of the rotation driving mechanism; The laser cleaning mechanism is used for performing laser cleaning on the workpiece clamped on the clamping mechanism, the first translation driving mechanism is used for driving the laser cleaning mechanism to translate in a first horizontal direction, the second translation driving mechanism is used for driving the laser cleaning mechanism to translate in a second horizontal direction, the lifting driving mechanism is used for driving the laser cleaning mechanism to lift, and the rotation driving mechanism is used for driving the laser cleaning mechanism to rotate vertically; The second horizontal direction is perpendicular to the first horizontal direction.

2. The multi-axis laser cleaning machine of claim 1, wherein, The clamping mechanism comprises a mounting bracket, a mounting seat, a rotation driving member and a chuck, wherein: The mounting bracket is arranged on the machine table; The mounting seat is connected to the mounting bracket, the chuck is rotatably connected to the mounting seat, and the chuck is used for clamping an end of the workpiece; The rotation driving member penetrates the mounting seat, the rotation driving member is in transmission connection with the chuck, and the rotation driving member is used for driving the chuck to rotate around an axis of the chuck.

3. The multi-axis laser cleaning machine of claim 2, wherein, The mounting seat is vertically rotatably mounted on the mounting bracket.

4. The multi-axis linkage laser cleaning machine according to claim 3, wherein: The mounting bracket comprises a bottom plate and two support plates oppositely arranged on the bottom plate, mounting holes and arc-shaped guide grooves are arranged on the two support plates; A rotating shaft is arranged on the mounting seat, and two ends of the rotating shaft are respectively inserted into the mounting holes of the two support plates; Opposite sides of the mounting seat are respectively provided with guide pins, the two guide pins are respectively located in the guide grooves of one of the support plates and can slide along the guide grooves, the clamping mechanism further comprises locking members connected to the guide pins, and the locking members are used for locking the guide pins on the corresponding support plates; or, opposite sides of the mounting seat are respectively provided with bolts, the two bolts are respectively located in the guide grooves of one of the support plates and can slide along the guide grooves, and the bolts are used for locking the mounting seat on the corresponding support plate.

5. The multi-axis laser cleaning machine of claim 2, wherein, The chuck is rotatably connected to the mounting seat through a rotating shaft.

6. The multi-axis laser cleaning machine of claim 1, wherein, The rotation driving mechanism is connected to the movable part of the lifting driving mechanism through a connecting beam, and the connecting beam extends along the second horizontal direction.

7. The multi-axis linkage laser cleaning machine according to claim 1, wherein: The multi-axis linkage laser cleaning machine further comprises a fiber laser arranged in the machine table; The laser cleaning mechanism comprises a connecting block, a fiber joint, a galvanometer and a field lens, wherein the connecting block is connected to a movable part of the rotary driving mechanism, the fiber joint and the galvanometer are arranged on the connecting block, the field lens is connected to the galvanometer, and an optical path is arranged in the connecting block to connect the fiber joint and the galvanometer; The fiber joint is connected to the fiber laser through an optical fiber, the laser emitted by the fiber laser is transmitted to the optical path through the optical fiber and then enters the galvanometer, the galvanometer is used for deflecting and adjusting the laser, and the field lens is used for focusing the laser after deflection adjustment on the workpiece.

8. The multi-axis laser cleaning machine of claim 7, wherein, The laser cleaning mechanism further comprises a connecting rod connected to the connecting block at the upper end, and the lower end of the connecting rod extends downward beyond the field lens; At least one nozzle is arranged on the connecting rod and is connected to an external compressed air source, the nozzle is used for blowing air in the horizontal direction to form an air curtain between the field lens and the machine table.

9. The multi-axis laser cleaning machine of claim 8, wherein, Two nozzles are arranged on the connecting rod and are spaced apart in the vertical direction.

10. The multi-axis laser cleaning machine of claim 7, wherein, A water cooling flow channel is arranged in the connecting block, and the multi-axis linkage laser cleaning machine further comprises a water cooling mechanism arranged at the side of the machine table, and the water cooling mechanism is connected to the water cooling flow channel through a pipeline.

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