Laser processing mechanism of laser coding machine

Abstract

The utility model discloses a kind of laser processing mechanisms of laser coding machine, comprising: first mounting seat, can be moved along x-axis direction;Second mounting seat, be arranged on first mounting seat, can be moved along z-axis direction;Laser processing head, be arranged on second mounting seat;First reflector, be arranged on second mounting seat, including second laser output end, second laser input end;Second reflector, be arranged on first mounting seat, including with the third laser output end corresponding to second laser input end, and third laser input end;Laser generating unit, be arranged on the third laser input end side of second reflector.This application's laser processing mechanism can control laser processing head movement along x-axis and z-axis direction, and can guarantee laser light path stability in the movement process of laser processing head, can be adapted to different models glass panel, satisfy different laser coding operation scene requirement.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of laser processing, and particularly relates to a laser processing mechanism of a laser coding machine. BACKGROUND

[0002] In a solar cell production process, in order to mark the model, production batch and other information of a solar cell, a laser coding process is needed for a glass panel of the solar cell. The existing laser coding device comprises a conveying belt and a laser processing mechanism. The conveying belt conveys the glass panel to a coding station opposite the laser output end of the laser processing mechanism. After the laser processing mechanism codes the glass panel, the glass panel is conveyed out of the coding station by the conveying belt.

[0003] The existing laser processing mechanism generally comprises a laser generator and a laser processing head. The laser emitted by the laser generator is transmitted to the workpiece by the laser processing head for laser coding operation. In the prior art, when the position of the laser processing head is adjusted, the stable transmission of the laser light path cannot be guaranteed. Therefore, when the position of the laser output end needs to be adjusted for different models of glass panels, only the position of the laser processing mechanism can be adjusted as a whole, and quick adjustment cannot be achieved, which cannot meet the needs of different laser coding scenarios. SUMMARY

[0004] The purpose of the present application is to provide a laser processing mechanism of a laser coding machine to solve the problem in the prior art that when the position of the laser processing head is adjusted, the stable transmission of the laser light path cannot be guaranteed, the position of the laser output end cannot be quickly adjusted, and the needs of different laser coding scenarios cannot be met.

[0005] To achieve the above purpose, the present application provides a laser processing mechanism of a laser coding machine, comprising:

[0006] A first mounting seat is movably arranged along the x-axis direction;

[0007] A second mounting seat is arranged on the first mounting seat and movably arranged along the z-axis direction;

[0008] A laser processing head is arranged on the second mounting seat. The laser processing head comprises a first laser output end pointing to the z-axis direction and a first laser input end pointing to the x-axis direction;

[0009] A first reflecting mirror is arranged on the second mounting seat. The first reflecting mirror comprises a second laser output end corresponding to the first laser input end and a second laser input end pointing to the z-axis direction;

[0010] A second mirror is arranged on the first mounting base, the second mirror comprising a third laser input end corresponding to the second laser input end and a third laser output end pointing to the x-axis direction;

[0011] A laser generating unit is arranged on the side of the third laser input end of the second mirror, the laser generating unit being configured to output laser to the third laser input end.

[0012] In one or more embodiments, an x-axis moving unit and a z-axis moving unit are further included, the z-axis moving unit being arranged on the first mounting base;

[0013] The first mounting base is arranged on the moving end of the x-axis moving unit, and the second mounting base is arranged on the moving end of the z-axis moving unit.

[0014] In one or more embodiments, the z-axis moving unit comprises:

[0015] A back plate is arranged on the first mounting base and extends along the z-axis direction;

[0016] End plates are arranged at both ends of the back plate in the z-axis direction;

[0017] A screw-nut module is arranged on the back plate;

[0018] A sliding plate is arranged on the moving end of the screw-nut module;

[0019] A driving motor is mounted on one of the end plates, and the output end of the driving motor is in transmission connection with the screw-nut module;

[0020] The second mounting base is arranged in connection with the sliding plate.

[0021] In one or more embodiments, the z-axis moving unit further comprises an organ case arranged between the end of the sliding plate and the corresponding end plate, and the organ case, the sliding plate, the end plate and the back plate cooperatively form a working space.

[0022] In one or more embodiments, the z-axis moving unit further comprises a z-axis guide rail arranged on the back plate, and the sliding plate is slidably mounted on the z-axis guide rail.

[0023] In one or more embodiments, a blowing unit is further included, the blowing unit comprising a blowing head arranged on the second mounting base and a blowing driving element connected with the blowing head, and the blowing head comprises a blowing working end for blowing the first laser output end.

[0024] In one or more embodiments, a positioning camera is further included, which is arranged on the second mounting seat and includes a shooting end pointing to the z-axis direction.

[0025] In one or more embodiments, a code scanning unit is further included, which is arranged on the second mounting seat and includes a code scanning end pointing to the working position of the laser processing head, and the code scanning unit is rotatably arranged around the y-axis.

[0026] In one or more embodiments, a dust collecting unit is further included, which includes a dust collecting pipe arranged on the second mounting seat, and a dust collecting driving element connected with the dust collecting pipe, and the dust collecting pipe includes a dust collecting opening pointing to the first laser output end surface.

[0027] In one or more embodiments, the laser generating unit includes a laser generator and a light box assembly, the laser generator includes a fourth laser output end, the light box assembly includes a fifth laser input end corresponding to the fourth laser output end, and a fifth laser output end corresponding to the third laser input end.

[0028] Compared with the prior art, the application has the following beneficial effects:

[0029] The laser processing mechanism of the application can control the movement of the laser processing head along the x-axis and z-axis directions, and can ensure the stability of the laser light path during the movement of the laser processing head, and can be adapted to different types of glass panels to meet the needs of different laser coding operation scenes. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0031] Figure 1 is a structural schematic view of an embodiment of the laser processing mechanism of the laser coding machine of the application;

[0032] Figure 2 is another view of the structural schematic view of an embodiment of the laser processing mechanism of the laser coding machine of the application;

[0033] Figure 3 is a sectional view of the A-A plane in Figure 2

[0034] Figure 4 is a structural schematic view of an embodiment of the light box assembly of the application after removing the shell;​

[0035] Figure 5 is Figure 2 A local enlarged view of the middle part of A.

[0036] Explanation of main reference signs:

[0037] First mounting seat 100;

[0038] Second mounting seat 200;

[0039] Laser processing head 300; first laser output end 301; first laser input end 302;

[0040] First mirror 400; second laser output end 401; second laser input end 402;

[0041] Second mirror 500; third laser output end 501; third laser input end 502;

[0042] Laser generating unit 600; laser generator 601; light box assembly 602; third mirror 6021; fourth mirror 6022; beam expander 6023;

[0043] X-axis moving unit 700;

[0044] Z-axis moving unit 800; back plate 801; end plate 802; screw nut module 803; sliding plate 804; driving motor 805; organ case 806; z-axis guide rail 807;

[0045] Positioning camera 900; shooting end 901;

[0046] Code scanning unit 1000; code scanning end 1001; adjusting plate 1002; waist hole 1003;

[0047] Blowing unit 1100; blowing head 1101;

[0048] Dust collecting unit 1200; dust collecting pipe 1201; dust collecting port 1202. DETAILED DESCRIPTION

[0049] In order to make the personnel in the technical field better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0050] In order to solve the problems existing in the prior laser processing mechanism, the applicant develops a new laser processing mechanism of a laser coding machine, the position and height of the laser processing head of the laser processing mechanism can be adjusted and set, and the stable transmission of the laser light path can be ensured when the position of the laser processing head is adjusted, the processing requirements of different types of panels can be met, and the processing efficiency is improved.

[0051] Specifically, refer to Figure 1 and Figure 2 , Figure 1 is a structural schematic view of an embodiment of the laser processing mechanism of the laser coding machine of the present application, Figure 2 is another view of a structural schematic view of an embodiment of the laser processing mechanism of the laser coding machine of the present application.

[0052] As shown in Figure 1 and Figure 2 , the laser processing mechanism comprises a first mounting seat 100 movable along the x-axis direction, and a second mounting seat 200 movable along the z-axis direction, wherein the second mounting seat 200 is arranged on the first mounting seat 100.

[0053] The laser processing head 300 is arranged on the second mounting seat 200, and the laser processing head 300 comprises a first laser output end 301 directed to the z-axis direction, and a first laser input end 302 directed to the x-axis direction.

[0054] The first reflector 400 is further arranged on the second mounting seat 200, and the first reflector 400 comprises a second laser output end 401 corresponding to the first laser input end 302, and a second laser input end 402 directed to the z-axis direction.

[0055] The second reflector 500 is further arranged on the first mounting seat 100, and the second reflector 500 comprises a third laser output end 501 corresponding to the second laser input end 402, and a third laser input end 502 directed to the x-axis direction.

[0056] The third laser input end 502 side of the second reflector 500 is further provided with a laser generating unit 600, and the laser generating unit 600 is used to output laser to the third laser input end 502.

[0057] It can be understood that the laser emitted by the laser generating unit 600 can pass through the second mirror 500 and the first mirror 400 into the laser processing head 300 in turn, and finally be emitted to the laser marking position of the workpiece by the first laser output end 301; when the first mounting seat 100 moves along the x-axis direction, the x-axis position of the laser processing head 300 is adjusted, the laser light path remains stable, and only the distance between the second mirror 500 and the laser generating unit 600 changes; when the second mounting seat 200 moves along the z-axis direction, the z-axis position of the laser processing head 300 is adjusted, the laser light path remains stable, and only the distance between the first mirror 400 and the second mirror 500 changes, so that the laser light path can be kept stable when the position of the laser processing head 300 is adjusted, and the processing requirements of different types of glass panels can be met, for example, the focal length and processing position of the laser processing head 300 can be adjusted according to the processing requirements.

[0058] Further, as shown in Figure 1 , the laser processing mechanism includes an x-axis moving unit 700 and a z-axis moving unit 800, wherein the first mounting seat 100 is arranged on the moving end of the x-axis moving unit 700, the z-axis moving unit 800 is arranged on the first mounting seat 100, and the second mounting seat 200 is arranged on the moving end of the z-axis moving unit 800, thereby realizing the movement control of the first mounting seat 100 and the second mounting seat 200.

[0059] In this embodiment, the x-axis moving unit 700 adopts a screw nut structure, and in other embodiments, any displacement element commonly used in the art can also be used, which can realize the structure schematic diagram of this embodiment.

[0060] The structure of the z-axis moving unit 800 will be described in detail below. Please refer to Figure 3 , Figure 3 is Figure 2 the sectional structure schematic diagram of the A-A surface in

[0061] As shown in Figure 3 , the z-axis moving unit 800 includes a back plate 801 arranged on the first mounting seat 100 and extending along the z-axis direction, end plates 802 arranged at both ends of the back plate 801 in the z-axis direction, a screw nut module 803 arranged on the back plate 801, a sliding plate 804 arranged at the moving end of the screw nut module 803, and a driving motor 805 arranged on one end plate 802, wherein the output end of the driving motor 805 is in transmission connection with the screw nut module 803, and the second mounting seat 200 is connected with the sliding plate 804.

[0062] It can be understood that the sliding plate 804 can be controlled to move along the z-axis direction by the driving motor 805, and the second mounting seat 200 can be controlled to move along the z-axis direction.

[0063] In order to avoid dust in the laser processing coding process into the screw nut module 803, affecting the stability of transmission, the z-axis moving unit 800 in the embodiment further comprises an organ case 806 arranged between the end plate 802 corresponding to the end of the slide plate 804, and the organ case 806, the slide plate 804, the end plate 802 and the back plate 801 cooperate to form a working space.

[0064] Further, in order to ensure the stability of movement, the z-axis moving unit 800 further comprises a z-axis guide rail 807 arranged on the back plate 801, and the slide plate 804 is slidably mounted on the z-axis guide rail 807.

[0065] The structure of the laser generating unit 600 will be described in detail below. Please refer to Figure 1 , the laser generating unit 600 comprises a laser generator 601 and a light box assembly 602, the laser generator 601 comprises a fourth laser output end, the light box assembly 602 comprises a fifth laser input end corresponding to the fourth laser output end, and a fifth laser output end corresponding to the third laser input end 502.

[0066] Further, please refer to Figure 4 , Figure 4 is a structural schematic diagram of an embodiment of the light box assembly 602 of the present application without a shell. As Figure 4 shown, the light box assembly 602 in the embodiment comprises a third mirror 6021, a fourth mirror 6022 and a beam expander 6023, wherein the fourth mirror 6022 is located on the z-axis direction side of the third mirror 6021, the beam expander 6023 is located on the x-axis direction side of the fourth mirror 6022, and the laser emitted by the laser generator 601 can pass through the third mirror 6021, the fourth mirror 6022 and the beam expander 6023 in turn, and finally emitted by the fifth laser output end of the light box.

[0067] Please continue to refer to Figure 1 , as Figure 1 shown, in order to realize the positioning detection of the workpiece before laser processing, the laser processing mechanism in the embodiment further comprises a positioning camera 900, the positioning camera 900 is arranged on the second mounting seat 200, and the positioning camera 900 comprises a shooting end 901 pointing to the z-axis direction.

[0068] Further, as Figure 1 shown, in order to judge the processing quality after laser processing, the laser processing mechanism further comprises a code scanning unit 1000, the code scanning unit 1000 is arranged on the second mounting seat 200, and the code scanning unit 1000 comprises a code scanning end 1001 pointing to the working position of the laser processing head 300, the code scanning unit 1000 can be rotatably arranged around the y-axis, thereby adapting to different focal length working environments.

[0069] The scanning unit 1000 can be a barcode scanner. After processing, the scanning unit 1000 can directly scan the information code processed by the laser processing head 300, judge the processing quality based on the scanning result, and send an alarm message when scanning is not possible.

[0070] Specifically, please refer to Figure 5 , Figure 5 yes Figure 2 A magnified view of part A in the diagram. (See diagram below.) Figure 5 In this embodiment, the scanning unit 1000 is mounted on the second mounting base 200 via an adjusting plate 1002. The adjusting plate 1002 is provided with a plurality of annularly distributed waist holes 1003. The scanning unit 1000 is fixed by bolts (not shown in the figure) passing through the waist holes 1003. Therefore, the scanning unit 1000 can be controlled to rotate around the y-axis and fixed within the range of the waist holes 1003.

[0071] Of course, in other embodiments, the scanning unit 1000 can also be installed in other rotatable ways, all of which can achieve the effect of this embodiment. Please continue reading. Figure 1 In order to avoid dust residue on the first laser output end 301 of the laser processing head 300 during the laser processing process, which would affect the laser processing effect, the laser processing mechanism in this embodiment also includes a blowing unit 1100. The blowing unit 1100 includes a blowing head 1101 arranged on the second mounting base 200, and a blowing drive element (not shown in the figure) connected to the blowing head 1101. The blowing head 1101 includes a blowing operation end for blowing the first laser output end 301.

[0072] In this embodiment, the blowing head 1101 is a bendable bamboo-shaped mouthpiece. In actual use, the bamboo-shaped mouthpiece can be bent to point to the position of the first laser output end 301, thereby ensuring the blowing effect.

[0073] Furthermore, such as Figure 1 As shown, in order to avoid dust residue on the first laser output end 301 of the laser processing head 300 during the laser processing process, the laser processing mechanism in this embodiment also includes a dust collection unit 1200. The dust collection unit 1200 includes a dust collection tube 1201 arranged on the second mounting base 200, and a dust collection driving element (not shown in the figure) connected to the dust collection tube 1201. The dust collection tube 1201 includes a dust collection port 1202 pointing to the surface of the first laser output end 301.

[0074] Understandably, the blowing unit 1100 and the dust collection unit 1200 can effectively prevent dust from remaining on the first laser output end 301 of the laser processing head 300, thus ensuring processing quality.

[0075] The laser processing mechanism based on the above embodiments can control the laser processing head 300 to move along the x-axis and z-axis, and can ensure the stability of the laser optical path during the movement of the laser processing head 300. It can be adapted to different types of glass panels and meet the needs of different laser marking operation scenarios.

[0076] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0077] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A laser processing mechanism for a laser marking machine, characterized in that, include: The first mounting base can be moved and set along the x-axis direction; A second mounting base is arranged on the first mounting base, and the second mounting base can be moved along the z-axis direction; A laser processing head is disposed on the second mounting base. The laser processing head includes a first laser output end pointing in the z-axis direction and a first laser input end pointing in the x-axis direction. A first reflector is disposed on the second mounting base. The first reflector includes a second laser output end corresponding to the first laser input end and a second laser input end pointing in the z-axis direction. The second reflector is arranged on the first mounting base. The second reflector includes a third laser output end corresponding to the second laser input end and a third laser input end pointing in the x-axis direction. A laser generating unit is arranged on one side of the third laser input end of the second reflector, and the laser generating unit is used to output laser to the third laser input end.

2. The laser processing mechanism according to claim 1, characterized in that, It also includes an x-axis moving unit and a z-axis moving unit, wherein the z-axis moving unit is arranged on the first mounting base; The first mounting base is arranged on the moving end of the x-axis moving unit, and the second mounting base is arranged on the moving end of the z-axis moving unit.

3. The laser processing mechanism according to claim 2, characterized in that, The z-axis moving unit includes: A back plate extends along the z-axis and is arranged on the first mounting base; End plates are arranged at both ends of the back plate in the z-axis direction; The lead screw and nut module is arranged on the back plate; A sliding plate is arranged at the moving end of the lead screw and nut module; A drive motor is mounted on the end plate at one end, and the output end of the drive motor is connected to the lead screw and nut module for transmission. The second mounting base is connected to the skateboard.

4. The laser processing mechanism according to claim 3, characterized in that, The z-axis moving unit also includes a bellows cover arranged between the end plate at the end of the slide plate and the end plate at the corresponding end. The bellows cover, slide plate, end plate and back plate cooperate to form a working space.

5. The laser processing mechanism according to claim 3, characterized in that, The z-axis moving unit also includes a z-axis guide rail arranged on the back plate, and the slide plate is slidably mounted on the z-axis guide rail.

6. The laser processing mechanism according to claim 1, characterized in that, It also includes a purging unit, which includes a purging head arranged on the second mounting base and a blowing drive element connected to the purging head. The purging head includes a purging working end for purging the first laser output end.

7. The laser processing mechanism according to claim 1, characterized in that, It also includes a positioning camera, which is arranged on the second mounting base and includes a shooting end pointing in the z-axis direction.

8. The laser processing mechanism according to claim 1, characterized in that, It also includes a barcode scanning unit, which is arranged on the second mounting base and includes a scanning end pointing to the working position of the laser processing head. The barcode scanning unit is rotatable about the y-axis.

9. The laser processing mechanism according to claim 1, characterized in that, It also includes a dust collection unit, which includes a dust collection tube arranged on the second mounting base and a dust collection drive element connected to the dust collection tube. The dust collection tube includes a dust collection port pointing towards the surface of the first laser output end.

10. The laser processing mechanism according to claim 1, characterized in that, The laser generating unit includes a laser generator and an optical box assembly. The laser generator includes a fourth laser output end, and the optical box assembly includes a fifth laser input end corresponding to the fourth laser output end and a fifth laser output end corresponding to the third laser input end.

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